CVE-2022-0995

high

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

https://security.netapp.com/advisory/ntap-20220429-0001/

https://bugzilla.redhat.com/show_bug.cgi?id=2063786

https://securityaffairs.com/197975/hacking/u-s-cisa-adds-red-hat-linux-kernel-ajax-net-professional-microsoft-sql-server-and-citrix-netscaler-flaws-to-its-known-exploited-vulnerabilities-catalog.html

https://www.infosecurity-magazine.com/news/cisa-kev-microsoft-citrix/

https://www.helpnetsecurity.com/2026/08/27/netscaler-adc-gateway-cve-2026-8452/

https://thehackernews.com/2026/08/cisa-adds-six-exploited-flaws-to-kev.html

https://www.cisa.gov/news-events/alerts/2026/08/26/cisa-adds-six-known-exploited-vulnerabilities-catalog

https://thehackernews.com/2026/08/uat-10147-uses-ai-to-scale-server.html

https://blog.talosintelligence.com/uat-10147-chinese-speaking-adversary-integrates-agentic-ai-into-post-compromise-operations/

https://github.com/lykorix/CVE-Research

https://github.com/1nzag/CVE-2022-0995

https://github.com/arttnba3/Linux-kernel-exploitation

https://github.com/Bonfee/CVE-2022-0995

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-0995

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=93ce93587d36493f2f86921fa79921b3cba63fbb

http://packetstormsecurity.com/files/166815/Watch-Queue-Out-Of-Bounds-Write.html

http://packetstormsecurity.com/files/166770/Linux-watch_queue-Filter-Out-Of-Bounds-Write.html

Details

Source: Mitre, NVD

Published: 2022-03-25

Updated: 2026-08-27

Named Vulnerability: SLUBStickKnown Exploited Vulnerability (KEV)

Risk Information

CVSS v2

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.8

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.06197