CVE-2025-22016

MEDIUM

Linux Kernel 6.8-6.12.20 - NULL Pointer Dereference in dpll xa_alloc_cyclic Error Handling

Title source: llm

Description

In the Linux kernel, the following vulnerability has been resolved: dpll: fix xa_alloc_cyclic() error handling In case of returning 1 from xa_alloc_cyclic() (wrapping) ERR_PTR(1) will be returned, which will cause IS_ERR() to be false. Which can lead to dereference not allocated pointer (pin). Fix it by checking if err is lower than zero. This wasn't found in real usecase, only noticed. Credit to Pierre.

References (3)

Core 3

Core References

Patch

https://git.kernel.org/stable/c/cb2f8a5c1fd9e7a1fefa23afe20570e16da1ada4

Patch

https://git.kernel.org/stable/c/4d350043be684762e581d9bdd32d543621d01a9c

Patch

https://git.kernel.org/stable/c/3614bf90130d60f191a5fe218d04f6251c678e13

Scores

CVSS v3 5.5

EPSS 0.0016

EPSS Percentile 5.4%

Attack Vector LOCAL

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

Details

CWE

CWE-476

Status published

Products (12)

linux/Kernel 6.13.0 - 6.13.9linux

linux/Kernel 6.8.0 - 6.12.21linux

Linux/Linux < 6.8

Linux/Linux 6.12.21 - 6.12.*

Linux/Linux 6.13.9 - 6.13.*

Linux/Linux 6.14

Linux/Linux 6.8

Linux/Linux 97f265ef7f5b526b33d6030b2a1fc69a2259bf4a - 3614bf90130d60f191a5fe218d04f6251c678e13

Linux/Linux 97f265ef7f5b526b33d6030b2a1fc69a2259bf4a - 4d350043be684762e581d9bdd32d543621d01a9c

Linux/Linux 97f265ef7f5b526b33d6030b2a1fc69a2259bf4a - cb2f8a5c1fd9e7a1fefa23afe20570e16da1ada4

... and 2 more

Published Apr 08, 2025

Tracked Since Feb 18, 2026