CVE-2022-29581

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

Improper Update of Reference Count vulnerability in net/sched of Linux Kernel allows local attacker to cause privilege escalation to root. This issue affects: Linux Kernel versions prior to 5.18; version 4.14 and later versions.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-911

Affected software

Vendor	Product	Versions
Linux	Kernel	>= unspecified, < 5.18; >= 4.14, < unspecified

References

http://packetstormsecurity.com/files/167386/Kernel-Live-Patch-Security-Notice-LSN-0086-1.htmlThird Party Advisory, VDB Entry
http://packetstormsecurity.com/files/168191/Kernel-Live-Patch-Security-Notice-LSN-0089-1.htmlExploit, Third Party Advisory, VDB Entry
http://www.openwall.com/lists/oss-security/2022/05/18/2Mailing List, Patch, Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3db09e762dc79584a69c10d74a6b98f89a9979f8Patch, Vendor Advisory
https://kernel.dance/#3db09e762dc79584a69c10d74a6b98f89a9979f8Patch, Vendor Advisory
https://security.netapp.com/advisory/ntap-20220629-0005/Third Party Advisory
https://www.debian.org/security/2022/dsa-5173Third Party Advisory
http://packetstormsecurity.com/files/167386/Kernel-Live-Patch-Security-Notice-LSN-0086-1.htmlThird Party Advisory, VDB Entry
http://packetstormsecurity.com/files/168191/Kernel-Live-Patch-Security-Notice-LSN-0089-1.htmlExploit, Third Party Advisory, VDB Entry
http://www.openwall.com/lists/oss-security/2022/05/18/2Mailing List, Patch, Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3db09e762dc79584a69c10d74a6b98f89a9979f8Patch, Vendor Advisory
https://kernel.dance/#3db09e762dc79584a69c10d74a6b98f89a9979f8Patch, Vendor Advisory
https://security.netapp.com/advisory/ntap-20220629-0005/Third Party Advisory
https://www.debian.org/security/2022/dsa-5173Third Party Advisory

Timeline

Published: May 17, 2022
Last modified: Jun 17, 2026
NVD status: Modified

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