CVE-2022-0995
kernel
Published 25 Mar 2022 · updated 27 Aug 2026 · Analyzed
Exploited in the wild
CISA added this to its Known Exploited Vulnerabilities catalog on 26 Aug 2026, with a remediation deadline of 9 Sept 2026 for US federal agencies.
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.
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.
References
- packetstormsecurity.com/files/166770/Linux-watch_queue-Filter-Out-Of-Bounds-Write.html · Exploit, Third Party Advisory, VDB Entry
- packetstormsecurity.com/files/166815/Watch-Queue-Out-Of-Bounds-Write.html · Exploit, Third Party Advisory, VDB Entry
- bugzilla.redhat.com/show_bug.cgi?id=2063786 · Issue Tracking, Patch, Third Party Advisory
- git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=93ce93587d36493f2f86921fa79921b3cba63fbb · Patch, Vendor Advisory
- security.netapp.com/advisory/ntap-20220429-0001/ · Third Party Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-0995 · US Government Resource