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CVE-2022-49012

MEDIUM5.5

afs: Fix server->active leak in afs_put_server

Published Oct 21, 2024

Modified 8 months ago

No fix available

Details

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

References

WEBhttps://git.kernel.org/stable/c/c5078548c29c735f71b05053659c0cb294e738ad WEBhttps://git.kernel.org/stable/c/ef4d3ea40565a781c25847e9cb96c1bd9f462bc6 ADVISORYhttps://www.cve.org/CVERecord?id=CVE-2022-49012

CVSS Analysis

CVSS v3.1

5.5

Exploitability

Attack Vector

LocalAV:L

Attack Complexity

LowAC:L

Privileges Required

LowPR:L

User Interaction

NoneUI:N

Scope

UnchangedS:U

Impact

Confidentiality

NoneC:N

Integrity

NoneI:N

Availability

HighA:H

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

Ecosystems

Timeline

PublishedOct 21, 2024

ModifiedMay 4, 2025

CVE-2022-49012 | Mondoo Vulnerability Intelligence