CVE-2022-49012: linux kernel — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: afs: Fix server->active leak in afs_put_server The atomic_read was accidentally replaced with atomic_inc_return, which prevents the server from getting cleaned up and causes rmmod to hang with a warning: Can't purge s=00000001

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CVSS v3.1 Score

5.5

MEDIUM

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

Weakness Type (CWE)

CWE-459 CWE-459

Affected Products

Vendor	Product	Versions
linux	linux_kernel	6.0 — 6.0.12
linux	linux_kernel	All
linux	linux_kernel	All
linux	linux_kernel	All
linux	linux_kernel	All
linux	linux_kernel	All
linux	linux_kernel	All
linux	linux_kernel	All

References

Advisories & Patches

https://git.kernel.org/stable/c/c5078548c29c735f71b05053659c0cb294e738ad https://git.kernel.org/stable/c/ef4d3ea40565a781c25847e9cb96c1bd9f462bc6

Frequently Asked Questions

What is CVE-2022-49012? +

In the Linux kernel, the following vulnerability has been resolved: afs: Fix server->active leak in afs_put_server The atomic_read was accidentally replaced with atomic_inc_return, which prevents the server from getting cleaned up and causes rmmod to hang with a warning: Can't purge s=00000001 It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2022-49012? +

CVE-2022-49012 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2022-49012? +

CVE-2022-49012 affects products from linux, specifically: linux_kernel. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2022-49012? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2022-49012