CVE-2021-4154
Linux Kernel Cgroup RCE Vulnerability
Description
A use-after-free flaw was found in cgroup1_parse_param in kernel/cgroup/cgroup-v1.c in the Linux kernel's cgroup v1 parser. A local attacker with a user privilege could cause a privilege escalation by exploiting the fsconfig syscall parameter leading to a container breakout and a denial of service on the system.
INFO
Published Date :
Feb. 4, 2022, 11:15 p.m.
Last Modified :
Jan. 19, 2023, 3:53 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
6.0
Exploitability Score :
2.0
Public PoC/Exploit Available at Github
CVE-2021-4154 has a 18 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2021-4154
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.
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-2021-4154.
| URL | Resource |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=2034514 | Issue Tracking Patch Third Party Advisory |
| https://cloud.google.com/anthos/clusters/docs/security-bulletins#gcp-2022-002 | Third Party Advisory |
| https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3b0462726e7ef281c35a7a4ae33e93ee2bc9975b | Mailing List Patch Vendor Advisory |
| https://security.netapp.com/advisory/ntap-20220225-0004/ | Third Party Advisory |
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).
None
C Shell Python Assembly Ruby Makefile Meson
Auto Root / Privilege Escalation Exploit
autoroot privilege privilege-escalation root
Shell
All CVE - PoC in GitHub
poc proofofconcept tester allcve cvegithub cvenew cvepoc cveupdate
None
Usenix Security'24 paper SeaK: Rethinking the Design of a Secure Allocator for OS Kernel
Makefile C Shell Roff Perl C++ Awk Python sed Assembly
渗透测试有关的POC、EXP、脚本、提权、小工具等---About penetration-testing python-script poc getshell csrf xss cms php-getshell domainmod-xss csrf-webshell cobub-razor cve rce sql sql-poc poc-exp bypass oa-getshell cve-cms
Assembly Python Shell PHP C++ C Go Ruby HTML Java
A eBPF framework to prevent discovered error from being triggered
Shell Makefile C Roff Assembly Perl C++ Awk Python sed
Linux privilege escalation exploits collection.
C Shell Python Assembly Ruby Makefile Meson
None
CVE-2021-4154
Makefile Shell C
None
None
None
Assembly Python Shell PHP C++ C Go Ruby HTML Java
CVE-2021-4154 exploit
C
Kernel exploitation technique
Makefile CMake C++ LLVM
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-4154 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-4154 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.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Reanalysis by [email protected]
Jan. 19, 2023
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 5.14 *cpe:2.3:o:linux:linux_kernel:5.14:-:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.14:rc1:*:*:*:*:*:* OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.1 up to (excluding) 5.4.134 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.10.52 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.12.19 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.13 up to (excluding) 5.13.4 *cpe:2.3:o:linux:linux_kernel:5.14:rc1:*:*:*:*:*:* -
Modified Analysis by [email protected]
Mar. 01, 2022
Action Type Old Value New Value Changed Reference Type https://cloud.google.com/anthos/clusters/docs/security-bulletins#gcp-2022-002 No Types Assigned https://cloud.google.com/anthos/clusters/docs/security-bulletins#gcp-2022-002 Third Party Advisory Changed Reference Type https://security.netapp.com/advisory/ntap-20220225-0004/ No Types Assigned https://security.netapp.com/advisory/ntap-20220225-0004/ Third Party Advisory Added CPE Configuration OR *cpe:2.3:a:netapp:hci_baseboard_management_controller:h300e:*:*:*:*:*:*:* *cpe:2.3:a:netapp:hci_baseboard_management_controller:h300s:*:*:*:*:*:*:* *cpe:2.3:a:netapp:hci_baseboard_management_controller:h410s:*:*:*:*:*:*:* *cpe:2.3:a:netapp:hci_baseboard_management_controller:h500e:*:*:*:*:*:*:* *cpe:2.3:a:netapp:hci_baseboard_management_controller:h500s:*:*:*:*:*:*:* *cpe:2.3:a:netapp:hci_baseboard_management_controller:h700e:*:*:*:*:*:*:* *cpe:2.3:a:netapp:hci_baseboard_management_controller:h700s:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Feb. 25, 2022
Action Type Old Value New Value Added Reference https://security.netapp.com/advisory/ntap-20220225-0004/ [No Types Assigned] -
CVE Modified by [email protected]
Feb. 18, 2022
Action Type Old Value New Value Added Reference https://cloud.google.com/anthos/clusters/docs/security-bulletins#gcp-2022-002 [No Types Assigned] -
Initial Analysis by [email protected]
Feb. 10, 2022
Action Type Old Value New Value Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:C/I:C/A:C) Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=2034514 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=2034514 Issue Tracking, Patch, Third Party Advisory Changed Reference Type https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3b0462726e7ef281c35a7a4ae33e93ee2bc9975b No Types Assigned https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3b0462726e7ef281c35a7a4ae33e93ee2bc9975b Mailing List, Patch, Vendor Advisory Added CWE NIST CWE-416 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 5.14 *cpe:2.3:o:linux:linux_kernel:5.14:-:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.14:rc1:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:a:redhat:virtualization:4.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:-:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-4154 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-2021-4154
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.04 }} 0.00%
score
0.05635
percentile