CVE-2022-29581

moderate-risk
Published 2022-05-17

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.

Do I need to act?

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0.18% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.8/10 High
LOCAL / LOW complexity

Affected Products (15)

Affected Vendors

Debian Linux Canonical Netapp

References (14)

Third Party Advisory http://packetstormsecurity.com/files/167386/Kernel-Live-Patch-Security-Notice-LS...
Exploit http://packetstormsecurity.com/files/168191/Kernel-Live-Patch-Security-Notice-LS...
Mailing List http://www.openwall.com/lists/oss-security/2022/05/18/2
Patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3d...
Patch https://kernel.dance/#3db09e762dc79584a69c10d74a6b98f89a9979f8
Third Party Advisory https://security.netapp.com/advisory/ntap-20220629-0005/
Third Party Advisory https://www.debian.org/security/2022/dsa-5173
Third Party Advisory http://packetstormsecurity.com/files/167386/Kernel-Live-Patch-Security-Notice-LS...
Exploit http://packetstormsecurity.com/files/168191/Kernel-Live-Patch-Security-Notice-LS...
Mailing List http://www.openwall.com/lists/oss-security/2022/05/18/2
Patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3d...
Patch https://kernel.dance/#3db09e762dc79584a69c10d74a6b98f89a9979f8
Third Party Advisory https://security.netapp.com/advisory/ntap-20220629-0005/
Third Party Advisory https://www.debian.org/security/2022/dsa-5173
43
/ 100
moderate-risk
Severity 24/34 · High
Exploitability 1/34 · Minimal
Exposure 18/34 · Moderate