5.5
MEDIUM
CVE-2021-28971
Intel PMU Drain PEBS NHM Buffer Overflow Vulnerability
Description

In intel_pmu_drain_pebs_nhm in arch/x86/events/intel/ds.c in the Linux kernel through 5.11.8 on some Haswell CPUs, userspace applications (such as perf-fuzzer) can cause a system crash because the PEBS status in a PEBS record is mishandled, aka CID-d88d05a9e0b6.

INFO

Published Date :

March 22, 2021, 5:15 p.m.

Last Modified :

Nov. 7, 2023, 3:32 a.m.

Remotely Exploitable :

No

Impact Score :

3.6

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2021-28971 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 solidfire_baseboard_management_controller_firmware
2 Netapp cloud_backup
3 Netapp aff_a250_firmware
4 Netapp aff_500f_firmware
1 Linux linux_kernel
1 Fedoraproject fedora
1 Debian debian_linux

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).

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

The following list is the news that have been mention CVE-2021-28971 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-28971 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
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PTRNPQTZ4GVS46SZ4OBXY5YDOGVPSTGQ/ [No types assigned]
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4VCKIOXCOZGXBEZMO5LGGV5MWCHO6FT3/ [No types assigned]
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T2S3I4SLRNRUQDOFYUS6IUAZMQNMPNLG/ [No types assigned]
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/PTRNPQTZ4GVS46SZ4OBXY5YDOGVPSTGQ/
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/4VCKIOXCOZGXBEZMO5LGGV5MWCHO6FT3/
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/T2S3I4SLRNRUQDOFYUS6IUAZMQNMPNLG/
  • CWE Remap by [email protected]

    Jul. 12, 2022

    Action Type Old Value New Value
    Changed CWE CWE-400 CWE-755
  • Modified Analysis by [email protected]

    Jun. 04, 2022

    Action Type Old Value New Value
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html No Types Assigned https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html Mailing List, Third Party Advisory
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html No Types Assigned https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html Mailing List, Third Party Advisory
    Changed Reference Type https://security.netapp.com/advisory/ntap-20210430-0003/ No Types Assigned https://security.netapp.com/advisory/ntap-20210430-0003/ Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:* *cpe:2.3:o:netapp:solidfire_baseboard_management_controller_firmware:-:*:*:*:*:*:*:*
    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:-:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jun. 23, 2021

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html [No Types Assigned]
    Added Reference https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html [No Types Assigned]
  • CVE Modified by [email protected]

    Apr. 30, 2021

    Action Type Old Value New Value
    Added Reference https://security.netapp.com/advisory/ntap-20210430-0003/ [No Types Assigned]
  • Modified Analysis by [email protected]

    Mar. 30, 2021

    Action Type Old Value New Value
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/4VCKIOXCOZGXBEZMO5LGGV5MWCHO6FT3/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/4VCKIOXCOZGXBEZMO5LGGV5MWCHO6FT3/ Mailing List, Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/T2S3I4SLRNRUQDOFYUS6IUAZMQNMPNLG/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/T2S3I4SLRNRUQDOFYUS6IUAZMQNMPNLG/ Mailing List, Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* OR *cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Mar. 29, 2021

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/T2S3I4SLRNRUQDOFYUS6IUAZMQNMPNLG/ [No Types Assigned]
  • CVE Modified by [email protected]

    Mar. 26, 2021

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/4VCKIOXCOZGXBEZMO5LGGV5MWCHO6FT3/ [No Types Assigned]
  • Reanalysis by [email protected]

    Mar. 26, 2021

    Action Type Old Value New Value
    Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
  • Initial Analysis by [email protected]

    Mar. 26, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:N/I:N/A:C)
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d88d05a9e0b6d9356e97129d4ff9942d765f46ea No Types Assigned https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d88d05a9e0b6d9356e97129d4ff9942d765f46ea Mailing List, Patch, Vendor Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/PTRNPQTZ4GVS46SZ4OBXY5YDOGVPSTGQ/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/PTRNPQTZ4GVS46SZ4OBXY5YDOGVPSTGQ/ Mailing List, Third Party Advisory
    Added CWE NIST CWE-400
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (including) 5.11.8
  • CVE Modified by [email protected]

    Mar. 26, 2021

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/PTRNPQTZ4GVS46SZ4OBXY5YDOGVPSTGQ/ [No Types Assigned]
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.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-28971 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-2021-28971 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

0.12065

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability