CVE-2022-29581

Name: CVE-2022-29581
Creator: NVD / NIST
Published: 2022-05-17T17:15:08.357+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 1.03%

Last modified Jun 17, 2026

CVE-2022-29581 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 1.03% chance of exploitation in the next 30 days.

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

7.8/10

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

EPSS Probability

1.03%

59.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-911

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	>= 4.14, < 4.14.278
Linux	Linux Kernel	>= 4.15, < 4.19.241
Linux	Linux Kernel	>= 4.20, < 5.4.191
Linux	Linux Kernel	>= 5.5, < 5.10.113
Linux	Linux Kernel	>= 5.11, < 5.15.36
Linux	Linux Kernel	>= 5.16, < 5.17.5
Debian	Debian Linux	10.0
Canonical	Ubuntu Linux	14.04
Canonical	Ubuntu Linux	16.04
Canonical	Ubuntu Linux	18.04
Canonical	Ubuntu Linux	20.04
Canonical	Ubuntu Linux	22.04
Netapp	H300s Firmware	All versions
Netapp	H500s Firmware	All versions
Netapp	H700s Firmware	All versions
Netapp	H300e Firmware	All versions
Netapp	H500e Firmware	All versions
Netapp	H700e Firmware	All versions
Netapp	H410s Firmware	All versions
Netapp	H410c Firmware	All versions

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
Status: Modified

Frequently Asked Questions

What is CVE-2022-29581?

How severe is CVE-2022-29581?

CVE-2022-29581 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.03% probability of exploitation in the next 30 days.

How do I fix CVE-2022-29581?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-29581?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST