CVE-2025-22016

dpll: fix xa_alloc_cyclic() error handling

MEDIUM 5.5

At a glance

Source
NVD
EPSS
EPSS 0.19 % · percentile 9 ()
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Analyzed

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.

Weaknesses (CWE)

  • CWE-476 — NULL Pointer Dereference

References

Scores

VersionScoreVectorScored by
CVSS 3.1MEDIUM 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HNVD · nvd@nist.gov (Primary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Linux · Linuxaffected 97f265ef7f5b526b33d6030b2a1fc69a2259bf4a < cb2f8a5c1fd9e7a1fefa23afe20570e16da1ada4 ; affected 97f265ef7f5b526b33d6030b2a1fc69a2259bf4a < 4d350043be684762e581d9bdd32d543621d01a9c ; affected 97f265ef7f5b526b33d6030b2a1fc69a2259bf4a < 3614bf90130d60f191a5fe218d04f6251c678e13
Linux · Linuxaffected 6.8 ; unaffected 0 < 6.8 ; unaffected 6.12.21 ≤ 6.12.* ; unaffected 6.13.9 ≤ 6.13.* ; unaffected 6.14 ≤ *

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD