CVE-2022-4269
Linux Kernel Traffic Control (TC) Mirred Egress Lockup Denial of Service
Description
A flaw was found in the Linux kernel Traffic Control (TC) subsystem. Using a specific networking configuration (redirecting egress packets to ingress using TC action "mirred") a local unprivileged user could trigger a CPU soft lockup (ABBA deadlock) when the transport protocol in use (TCP or SCTP) does a retransmission, resulting in a denial of service condition.
INFO
Published Date :
Dec. 5, 2022, 4:15 p.m.
Last Modified :
April 14, 2025, 6:15 p.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Update the Linux kernel packages.
- Reboot the system for changes to take effect.
Public PoC/Exploit Available at Github
CVE-2022-4269 has a 1 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-2022-4269.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2022-4269 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-2022-4269
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).
None
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2022-4269 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2022-4269 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.
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CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Apr. 14, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html Added Reference https://lore.kernel.org/netdev/33dc43f587ec1388ba456b4915c75f02a8aae226.1663945716.git.dcaratti%40redhat.com/ Added Reference https://security.netapp.com/advisory/ntap-20230929-0001/ Added Reference https://www.debian.org/security/2023/dsa-5480 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Oct. 20, 2023
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html [No Types Assigned] -
CVE Modified by [email protected]
Sep. 29, 2023
Action Type Old Value New Value Added Reference https://security.netapp.com/advisory/ntap-20230929-0001/ [No Types Assigned] -
CVE Modified by [email protected]
Aug. 19, 2023
Action Type Old Value New Value Added Reference https://www.debian.org/security/2023/dsa-5480 [No Types Assigned] -
CVE Modified by [email protected]
Feb. 12, 2023
Action Type Old Value New Value Removed Reference https://lore.kernel.org/netdev/33dc43f587ec1388ba456b4915c75f02a8aae226.1663945716.git.dcaratti@redhat.com/ [Patch, Third Party Advisory] Added Reference https://lore.kernel.org/netdev/33dc43f587ec1388ba456b4915c75f02a8aae226.1663945716.git.dcaratti%40redhat.com/ [No Types Assigned] -
Initial Analysis by [email protected]
Dec. 07, 2022
Action Type Old Value New Value 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://lore.kernel.org/netdev/33dc43f587ec1388ba456b4915c75f02a8aae226.1663945716.git.dcaratti@redhat.com/ No Types Assigned https://lore.kernel.org/netdev/33dc43f587ec1388ba456b4915c75f02a8aae226.1663945716.git.dcaratti@redhat.com/ Patch, Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:4.1:rc1:*:*:*:*:*:*
Vulnerability Scoring Details
Base CVSS Score: 5.5
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.01 }} -0.04%
score
0.00996
percentile