CVE-2022-0995
Published 2022-03-25 · Updated 2026-08-26 · Source secalert@redhat.com
Description
An out-of-bounds (OOB) memory write flaw was found in the Linux kernel’s watch_queue event notification subsystem. This flaw can overwrite parts of the kernel state, potentially allowing a local user to gain privileged access or cause a denial of service on the system.
CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA Known-Exploited Vulnerability
Product: Linux — Kernel
Name: Linux Kernel Out-of-Bounds Write Vulnerability
Date added: 2026-08-26 · Due: 2026-09-09
Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
References
- http://packetstormsecurity.com/files/166770/Linux-watch_queue-Filter-Out-Of-Bounds-Write.html
- http://packetstormsecurity.com/files/166815/Watch-Queue-Out-Of-Bounds-Write.html
- https://bugzilla.redhat.com/show_bug.cgi?id=2063786
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=93ce93587d36493f2f86921fa79921b3cba63fbb
- https://security.netapp.com/advisory/ntap-20220429-0001/
- http://packetstormsecurity.com/files/166770/Linux-watch_queue-Filter-Out-Of-Bounds-Write.html
- http://packetstormsecurity.com/files/166815/Watch-Queue-Out-Of-Bounds-Write.html
- https://bugzilla.redhat.com/show_bug.cgi?id=2063786

