Vulnerability in Linux Linux_kernel

CVE-2022-4269

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…

EPSS: 0.002 (9.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

  • Linux Linux_kernel — versions 4.1
  • N/a Linux Kernel (Tc Subsystem) — versions Since upstream commit 53592b3 (v4.10-rc1)

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-4269?
CVE-2022-4269 is a medium-severity vulnerability in Linux Linux_kernel, classified under CWE-833. CVSS score: 5.5/10. Published 2022-12-05.
How severe is CVE-2022-4269?
Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2022-4269 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.