# CVE-2022-0995

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.

- Page: https://www.vulneraibility.com/cve/CVE-2022-0995
- CVSS: 7.8
- Known exploited: yes, in CISA KEV since 2026-08-26; CISA due date 2026-08-29
- EPSS: 8.86%
- Public exploit code: 1 Metasploit module · 4 GitHub proofs of concept (first 2022-03-26)
- CISA SSVC: exploitation active, automatable no, technical impact total (assessed 2026-08-26)
- Weakness: CWE-787
- Published: 2022-03-25

## Affected versions

- kernel: affected kernel 5.17 rc8

A version outside these ranges is not a statement that it is unaffected.

## References

- [other] https://bugzilla.redhat.com/show_bug.cgi?id=2063786
- [other] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=93ce93587d36493f2f86921fa79921b3cba63fbb
- [other] http://packetstormsecurity.com/files/166770/Linux-watch_queue-Filter-Out-Of-Bounds-Write.html
- [other] http://packetstormsecurity.com/files/166815/Watch-Queue-Out-Of-Bounds-Write.html
- [other] https://security.netapp.com/advisory/ntap-20220429-0001/
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-0995

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.