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Known Exploited Vulnerability
8.3
HIGH CVSS 3.1
CVE-2021-22555
Linux Kernel Heap Out-of-Bounds Write Vulnerability - [Actively Exploited]
Description

A heap out-of-bounds write affecting Linux since v2.6.19-rc1 was discovered in net/netfilter/x_tables.c. This allows an attacker to gain privileges or cause a DoS (via heap memory corruption) through user name space

INFO

Published Date :

July 7, 2021, 12:15 p.m.

Last Modified :

Oct. 27, 2025, 5:06 p.m.

Remotely Exploit :

No

Source :

[email protected]
CISA Notification
CISA KEV (Known Exploited Vulnerabilities)

For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.

Description :

Linux Kernel contains a heap out-of-bounds write vulnerability that could allow an attacker to gain privileges or cause a DoS (via heap memory corruption) through user name space.

Required Action :

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Notes :

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/net/netfilter/x_tables.c?id=9fa492cdc160cd27ce1046cb36f47d3b2b1efa21 ; https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/net/netfilter/x_tables.c?id=b29c457a6511435960115c0f548c4360d5f4801d ; https://security.netapp.com/advisory/ntap-20210805-0010/ ; https://github.com/google/security-research/security/advisories/GHSA-xxx5-8mvq-3528 ; https://nvd.nist.gov/vuln/detail/CVE-2021-22555

Affected Products

The following products are affected by CVE-2021-22555 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Netapp h410c_firmware
2 Netapp cloud_backup
3 Netapp hci_management_node
4 Netapp solidfire
5 Netapp h300s_firmware
6 Netapp h500s_firmware
7 Netapp h700s_firmware
8 Netapp h410s_firmware
9 Netapp h615c_firmware
10 Netapp h610s_firmware
11 Netapp h610c_firmware
12 Netapp fas_8300_firmware
13 Netapp fas_8700_firmware
14 Netapp aff_a400_firmware
15 Netapp h300s
16 Netapp h410s
17 Netapp h500s
18 Netapp h700s
19 Netapp h410c
20 Netapp solidfire_baseboard_management_controller
21 Netapp aff_a250_firmware
22 Netapp aff_500f_firmware
23 Netapp c400_firmware
24 Netapp fas_8300
25 Netapp fas_8700
26 Netapp h610c
27 Netapp h610s
28 Netapp h615c
29 Netapp c250_firmware
30 Netapp aff_a250
31 Netapp c250
32 Netapp aff_a400
33 Netapp aff_500f
34 Netapp c400
1 Linux linux_kernel
1 Brocade fabric_operating_system
: Total Affected Vendor : 3 | Products : 36
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 MEDIUM [email protected]
CVSS 3.1 HIGH [email protected]
CVSS 3.1 HIGH [email protected]
Solution
To address the vulnerability, update the affected software packages or kernel.
  • Update the affected packages or kernel.
  • Upgrade to a non-vulnerable version if available.
  • Contact the vendor for further instructions if needed.
Public PoC/Exploit Available at Github

CVE-2021-22555 has a 91 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-22555.

URL Resource
http://packetstormsecurity.com/files/163528/Linux-Kernel-Netfilter-Heap-Out-Of-Bounds-Write.html Third Party Advisory VDB Entry
http://packetstormsecurity.com/files/163878/Kernel-Live-Patch-Security-Notice-LSN-0080-1.html Exploit Third Party Advisory VDB Entry
http://packetstormsecurity.com/files/164155/Kernel-Live-Patch-Security-Notice-LSN-0081-1.html Exploit Third Party Advisory VDB Entry
http://packetstormsecurity.com/files/164437/Netfilter-x_tables-Heap-Out-Of-Bounds-Write-Privilege-Escalation.html Exploit Third Party Advisory VDB Entry
http://packetstormsecurity.com/files/165477/Kernel-Live-Patch-Security-Notice-LSN-0083-1.html Exploit Third Party Advisory VDB Entry
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/net/netfilter/x_tables.c?id=9fa492cdc160cd27ce1046cb36f47d3b2b1efa21 Mailing List Patch Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/net/netfilter/x_tables.c?id=b29c457a6511435960115c0f548c4360d5f4801d Mailing List Patch Vendor Advisory
https://github.com/google/security-research/security/advisories/GHSA-xxx5-8mvq-3528 Exploit Third Party Advisory
https://security.netapp.com/advisory/ntap-20210805-0010/ Third Party Advisory
http://packetstormsecurity.com/files/163528/Linux-Kernel-Netfilter-Heap-Out-Of-Bounds-Write.html Third Party Advisory VDB Entry
http://packetstormsecurity.com/files/163878/Kernel-Live-Patch-Security-Notice-LSN-0080-1.html Exploit Third Party Advisory VDB Entry
http://packetstormsecurity.com/files/164155/Kernel-Live-Patch-Security-Notice-LSN-0081-1.html Exploit Third Party Advisory VDB Entry
http://packetstormsecurity.com/files/164437/Netfilter-x_tables-Heap-Out-Of-Bounds-Write-Privilege-Escalation.html Exploit Third Party Advisory VDB Entry
http://packetstormsecurity.com/files/165477/Kernel-Live-Patch-Security-Notice-LSN-0083-1.html Exploit Third Party Advisory VDB Entry
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/net/netfilter/x_tables.c?id=9fa492cdc160cd27ce1046cb36f47d3b2b1efa21 Mailing List Patch Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/net/netfilter/x_tables.c?id=b29c457a6511435960115c0f548c4360d5f4801d Mailing List Patch Vendor Advisory
https://github.com/google/security-research/security/advisories/GHSA-xxx5-8mvq-3528 Exploit Third Party Advisory
https://security.netapp.com/advisory/ntap-20210805-0010/ Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-22555 US Government Resource
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-22555 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-22555 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
P3gEcTH8uJiYFVKb7lIn/awesome-list

Forked from https://github.com/0xor0ne/awesome-list.git

Updated: 2 weeks, 5 days ago
0 stars 0 fork 0 watcher
Born at : Oct. 10, 2025, 9:01 a.m. This repo has been linked 102 different CVEs too.
Profile Photo
kolaarionvull/awesome-list

Forked from https://github.com/0xor0ne/awesome-list.git

Updated: 2 weeks, 4 days ago
1 stars 0 fork 0 watcher
Born at : Oct. 6, 2025, 2:32 p.m. This repo has been linked 102 different CVEs too.
Profile Photo
InzelSec/Linux-Privilege-Escalation

None

Updated: 3 weeks, 3 days ago
1 stars 0 fork 0 watcher
Born at : Oct. 1, 2025, 3:33 p.m. This repo has been linked 5 different CVEs too.
Profile Photo
gglessner/Rocky

None

Dockerfile Shell

Updated: 1 month, 1 week ago
0 stars 0 fork 0 watcher
Born at : Sept. 16, 2025, 2:26 a.m. This repo has been linked 15 different CVEs too.
Profile Photo
AbdoFarid1/R00tKeep3r

None

Python C Emacs Lisp Shell

Updated: 2 months ago
0 stars 0 fork 0 watcher
Born at : Aug. 28, 2025, 12:31 a.m. This repo has been linked 6 different CVEs too.
Profile Photo
Maikefee/linux-exploit-hunter

一个强大的Linux漏洞搜索工具，基于原始的[Linux -exploit- suggestion](https://github.com/mzet-/linux-exploit-suggester)，专注于检测**2020-2024**期间最新的Linux内核特权升级漏洞。

Shell Python

Updated: 2 months, 1 week ago
0 stars 0 fork 0 watcher
Born at : Aug. 19, 2025, 7:01 a.m. This repo has been linked 11 different CVEs too.
Profile Photo
nisadevi11/Localroot-ALL-CVE

None

C Shell Python Ruby Makefile HTML Linker Script Batchfile Perl

Updated: 2 months, 1 week ago
5 stars 0 fork 0 watcher
Born at : Aug. 19, 2025, 3:53 a.m. This repo has been linked 93 different CVEs too.
Profile Photo
PsychoH4x0r/Unknown1337-Auto-Root-

None

Shell

Updated: 3 months ago
0 stars 0 fork 0 watcher
Born at : July 28, 2025, 1:44 p.m. This repo has been linked 27 different CVEs too.
Profile Photo
Jalexander798/JA_Tools-Cybersecurity-Resource-2

None

Updated: 3 months ago
0 stars 0 fork 0 watcher
Born at : July 25, 2025, 7:02 p.m. This repo has been linked 96 different CVEs too.
Profile Photo
ma7moudShaaban/R00tKeep3r

A comprehensive post-exploitation automation and privilege escalation Toolkit

Python C Emacs Lisp Shell

Updated: 3 months, 4 weeks ago
0 stars 1 fork 1 watcher
Born at : June 29, 2025, 6:08 p.m. This repo has been linked 6 different CVEs too.
Profile Photo
bachkhoasoft/awesome-list-ks

None

Updated: 4 months ago
0 stars 0 fork 0 watcher
Born at : June 29, 2025, 6:30 a.m. This repo has been linked 94 different CVEs too.
Profile Photo
ahmmmeeedsherif/Linux-Privilege-Escalation-Enumeration

None

Updated: 6 months, 3 weeks ago
0 stars 0 fork 0 watcher
Born at : March 31, 2025, 2:45 a.m. This repo has been linked 2 different CVEs too.
Profile Photo
Mag1cByt3s/MagicLinPwn

MagicLinPwn is a powerful and automated Linux privilege escalation script designed to help security professionals and CTF enthusiasts identify potential misconfigurations, vulnerabilities, and weaknesses that can lead to privilege escalation.

Shell

Updated: 4 weeks, 1 day ago
2 stars 2 fork 2 watcher
Born at : Jan. 18, 2025, 3:52 a.m. This repo has been linked 8 different CVEs too.
Profile Photo
a-ramses/security-research

A collection of POCs and miscs

CodeQL Shell Python C Java Go Assembly Makefile GDB C++

Updated: 5 months, 2 weeks ago
1 stars 0 fork 0 watcher
Born at : Oct. 6, 2024, 9:55 p.m. This repo has been linked 10 different CVEs too.
Profile Photo
Faizan-Khanx/PYTHA-SHELL

PYTHA-SHELL is an educational cybersecurity tool featuring an RCE mode. It offers practical examples and demonstrations to help students understand various attacks and vulnerabilities in a controlled environment. PYTHA-SHELL provides hands-on experience with real-world security risks making it a valuable resource for learning and teaching

backdoor backdoor-attacks python pythonshell reverse-shell shell shell-script cybersecurityeducation hackingtools securitytraining vapt remotecodeexecution vulnerability-assessment cybersecurity hacking-tool

Updated: 3 months, 3 weeks ago
4 stars 0 fork 0 watcher
Born at : Sept. 17, 2024, 5:16 p.m. This repo has been linked 2 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-22555 vulnerability anywhere in the article.

  • TheCyberThrone
CISA Adds 7 Actively Exploited Vulnerabilities to KEV Catalog

October 7, 2025The Cybersecurity and Infrastructure Security Agency (CISA) has expanded its Known Exploited Vulnerabilities (KEV) catalog in October 2025, adding several high-impact vulnerabilities be ... Read more

Published Date: Oct 07, 2025 (3 weeks, 1 day ago)
  • CybersecurityNews
Threat Actors Leveraging Windows and Linux Vulnerabilities in Real-world Attacks to Gain System Access

Cybersecurity teams worldwide have observed a surge in sophisticated campaigns exploiting both Windows and Linux vulnerabilities in recent months to achieve unauthorized system access. These attacks o ... Read more

Published Date: Aug 29, 2025 (2 months ago)
  • Daily CyberSecurity
Kaspersky Report: Vulnerabilities Are Exploding, and Attackers Are Adapting

Kaspersky Labs has published its Q2 2025 vulnerability analysis, revealing an alarming rise in both the number of vulnerabilities registered and their exploitation in the wild. The findings show that ... Read more

Published Date: Aug 29, 2025 (2 months ago)
  • Kaspersky
Exploits and vulnerabilities in Q2 2025

Vulnerability registrations in Q2 2025 proved to be quite dynamic. Vulnerabilities that were published impact the security of nearly every computer subsystem: UEFI, drivers, operating systems, browser ... Read more

Published Date: Aug 27, 2025 (2 months ago)

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2021-22555 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Modified Analysis by [email protected]

    Oct. 27, 2025

    Action Type Old Value New Value
    Added Reference Type CISA-ADP: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-22555 Types: US Government Resource
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Oct. 22, 2025

    Action Type Old Value New Value
    Added Reference https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-22555
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Oct. 21, 2025

    Action Type Old Value New Value
    Removed Reference https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-22555
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Oct. 21, 2025

    Action Type Old Value New Value
    Added Reference https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-22555
  • Modified Analysis by [email protected]

    Oct. 07, 2025

    Action Type Old Value New Value
    Added CPE Configuration AND OR *cpe:2.3:o:netapp:c400_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:c400:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netapp:c250_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:c250:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*
    Changed CPE Configuration OR *cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:* *cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:* OR *cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:* *cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:* *cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:* *cpe:2.3:a:netapp:solidfire_baseboard_management_controller:*:*:*:*:*:*:*:*
  • CVE CISA KEV Update by 9119a7d8-5eab-497f-8521-727c672e3725

    Oct. 07, 2025

    Action Type Old Value New Value
    Added Date Added 2025-10-06
    Added Due Date 2025-10-27
    Added Required Action Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
    Added Vulnerability Name Linux Kernel Heap Out-of-Bounds Write Vulnerability
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/163528/Linux-Kernel-Netfilter-Heap-Out-Of-Bounds-Write.html
    Added Reference http://packetstormsecurity.com/files/163878/Kernel-Live-Patch-Security-Notice-LSN-0080-1.html
    Added Reference http://packetstormsecurity.com/files/164155/Kernel-Live-Patch-Security-Notice-LSN-0081-1.html
    Added Reference http://packetstormsecurity.com/files/164437/Netfilter-x_tables-Heap-Out-Of-Bounds-Write-Privilege-Escalation.html
    Added Reference http://packetstormsecurity.com/files/165477/Kernel-Live-Patch-Security-Notice-LSN-0083-1.html
    Added Reference https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/net/netfilter/x_tables.c?id=9fa492cdc160cd27ce1046cb36f47d3b2b1efa21
    Added Reference https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/net/netfilter/x_tables.c?id=b29c457a6511435960115c0f548c4360d5f4801d
    Added Reference https://github.com/google/security-research/security/advisories/GHSA-xxx5-8mvq-3528
    Added Reference https://security.netapp.com/advisory/ntap-20210805-0010/
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Mar. 31, 2022

    Action Type Old Value New Value
    Changed Reference Type http://packetstormsecurity.com/files/165477/Kernel-Live-Patch-Security-Notice-LSN-0083-1.html No Types Assigned http://packetstormsecurity.com/files/165477/Kernel-Live-Patch-Security-Notice-LSN-0083-1.html Exploit, Third Party Advisory, VDB Entry
  • CVE Modified by [email protected]

    Jan. 06, 2022

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/165477/Kernel-Live-Patch-Security-Notice-LSN-0083-1.html [No Types Assigned]
  • Modified Analysis by [email protected]

    Dec. 16, 2021

    Action Type Old Value New Value
    Changed Reference Type http://packetstormsecurity.com/files/164155/Kernel-Live-Patch-Security-Notice-LSN-0081-1.html Third Party Advisory, VDB Entry http://packetstormsecurity.com/files/164155/Kernel-Live-Patch-Security-Notice-LSN-0081-1.html Exploit, Third Party Advisory, VDB Entry
    Changed Reference Type http://packetstormsecurity.com/files/164437/Netfilter-x_tables-Heap-Out-Of-Bounds-Write-Privilege-Escalation.html No Types Assigned http://packetstormsecurity.com/files/164437/Netfilter-x_tables-Heap-Out-Of-Bounds-Write-Privilege-Escalation.html Exploit, Third Party Advisory, VDB Entry
  • CVE Modified by [email protected]

    Oct. 07, 2021

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/164437/Netfilter-x_tables-Heap-Out-Of-Bounds-Write-Privilege-Escalation.html [No Types Assigned]
  • Modified Analysis by [email protected]

    Sep. 21, 2021

    Action Type Old Value New Value
    Changed Reference Type http://packetstormsecurity.com/files/163528/Linux-Kernel-Netfilter-Heap-Out-Of-Bounds-Write.html No Types Assigned http://packetstormsecurity.com/files/163528/Linux-Kernel-Netfilter-Heap-Out-Of-Bounds-Write.html Third Party Advisory, VDB Entry
    Changed Reference Type http://packetstormsecurity.com/files/163878/Kernel-Live-Patch-Security-Notice-LSN-0080-1.html No Types Assigned http://packetstormsecurity.com/files/163878/Kernel-Live-Patch-Security-Notice-LSN-0080-1.html Exploit, Third Party Advisory, VDB Entry
    Changed Reference Type http://packetstormsecurity.com/files/164155/Kernel-Live-Patch-Security-Notice-LSN-0081-1.html No Types Assigned http://packetstormsecurity.com/files/164155/Kernel-Live-Patch-Security-Notice-LSN-0081-1.html Third Party Advisory, VDB Entry
    Changed Reference Type https://security.netapp.com/advisory/ntap-20210805-0010/ No Types Assigned https://security.netapp.com/advisory/ntap-20210805-0010/ Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:brocade:fabric_operating_system:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netapp:fas_8300_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:fas_8300:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netapp:fas_8700_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:fas_8700:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netapp:aff_a400_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:aff_a400:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netapp:aff_a250_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:aff_a250:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netapp:aff_500f_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:aff_500f:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netapp:h610c_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h610c:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netapp:h610s_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h610s:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netapp:h615c_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h615c:-:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:* *cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Sep. 14, 2021

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/164155/Kernel-Live-Patch-Security-Notice-LSN-0081-1.html [No Types Assigned]
  • CVE Modified by [email protected]

    Aug. 18, 2021

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/163878/Kernel-Live-Patch-Security-Notice-LSN-0080-1.html [No Types Assigned]
  • CVE Modified by [email protected]

    Aug. 05, 2021

    Action Type Old Value New Value
    Added Reference https://security.netapp.com/advisory/ntap-20210805-0010/ [No Types Assigned]
  • CVE Modified by [email protected]

    Jul. 16, 2021

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/163528/Linux-Kernel-Netfilter-Heap-Out-Of-Bounds-Write.html [No Types Assigned]
  • Initial Analysis by [email protected]

    Jul. 09, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/net/netfilter/x_tables.c?id=9fa492cdc160cd27ce1046cb36f47d3b2b1efa21 No Types Assigned https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/net/netfilter/x_tables.c?id=9fa492cdc160cd27ce1046cb36f47d3b2b1efa21 Mailing List, Patch, Vendor Advisory
    Changed Reference Type https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/net/netfilter/x_tables.c?id=b29c457a6511435960115c0f548c4360d5f4801d No Types Assigned https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/net/netfilter/x_tables.c?id=b29c457a6511435960115c0f548c4360d5f4801d Mailing List, Patch, Vendor Advisory
    Changed Reference Type https://github.com/google/security-research/security/advisories/GHSA-xxx5-8mvq-3528 No Types Assigned https://github.com/google/security-research/security/advisories/GHSA-xxx5-8mvq-3528 Exploit, Third Party Advisory
    Added CWE NIST CWE-787
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 2.6.19 up to (excluding) 4.4.267 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.5 up to (excluding) 4.9.267 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.10 up to (excluding) 4.14.231 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.15 up to (excluding) 4.19.188 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.20 up to (excluding) 5.4.113 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.10.31 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.12
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 8.3
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 4.6
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

84.83 }} -0.93%

score

0.99290

percentile