What is CVE-2022-29581?

CVE-2022-29581 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10, affecting Linux kernel versions from unspecified onward and patched in 5.18 and unspecified. CVE-2022-29581 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-29581?

CVE-2022-29581 has a CVSS score of 7.8 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2022-29581?

Yes, CVE-2022-29581 has been patched. Fixed versions include 5.18 and unspecified. If you are running Linux kernel unspecified or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2022-29581 actively exploited?

CVE-2022-29581 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2022-29581

High

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.

Package Linux Kernel

Published 2022-05-17

Last modified 2024-11-21

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

7.8

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

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

Weakness type

CWE-911

CVE-2022-29581 is classified as CWE-911

See CWE-911 on MITRE CWE for full details on this weakness type.

Affected versions

Linux kernel versions unspecified, 4.14 and later are affected. Fixed in 5.18, unspecified and their respective stable series.

Affected from

≥ unspecified ≥ 4.14

Fixed in

✓ 5.18 5.18.x ✓ unspecified

References

7 total

Packet Storm
http://packetstormsecurity.com/files/168191/Kernel-Live-Patch-Security-Notice-LSN-0089-1.html

Exploit Third Party Advisory VDB Entry
Kernel Git
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3db09e762dc79584a69c10d74a6b98f89a9979f8

Patch Vendor Advisory
Kernel
https://kernel.dance/#3db09e762dc79584a69c10d74a6b98f89a9979f8

Patch Vendor Advisory
Openwall
http://www.openwall.com/lists/oss-security/2022/05/18/2

Mailing List Patch Third Party Advisory
Packet Storm
http://packetstormsecurity.com/files/167386/Kernel-Live-Patch-Security-Notice-LSN-0086-1.html

Third Party Advisory VDB Entry

Showing 5 of 7 references View all on NVD

Details

CVE ID CVE-2022-29581

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2022-05-17

Modified 2024-11-21

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2022-29581?

CVE-2022-29581 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 . It affects Linux kernel versions from unspecified onward and has been patched in 5.18 and unspecified. CVE-2022-29581 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-29581?

CVE-2022-29581 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2022-29581?

Yes. CVE-2022-29581 has been patched. Fixed versions include 5.18 and unspecified. If you are running Linux kernel unspecified or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2022-29581 actively exploited?

No. CVE-2022-29581 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.