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CVE-2022-49012

afs: Fix server->active leak in afs_put_server

MEDIUM
5.5
CVSS Score
Published: October 21, 2024 at 08:06 PM UTC
Updated: June 17, 2026 at 05:16 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
95%
6.0 ≤ v < 6.0.126.0 ≤ v < 6.12757a4dc184997c66ef1de32636f73b9f21aac146.1 rc16.1 rc26.1 rc36.1 rc46.1 rc56.1 rc66.1 rc7
Vendor states this is fixed in c5078548c29c735f71b05053659c0cb294e738ad (fixed)
Vendor states this is fixed in ef4d3ea40565a781c25847e9cb96c1bd9f462bc6 (fixed)
Vendor states this is fixed in 6.0 (unaffected)
Vendor states this is fixed in 6.0.12 (unaffected)
Vendor states this is fixed in 6.1 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/c5078548c29c735f71b05053659c0cb294e738ad
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/ef4d3ea40565a781c25847e9cb96c1bd9f462bc6

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-459

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