wifi: iwlwifi: read txq->read_ptr under lock (Linux Linux)

CVE-2024-36922
HIGH 8.8

At a glance

Source
NVD
EPSS
EPSS 0.35 % · percentile 28 ()
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Modified

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: read txq->read_ptr under lock If we read txq->read_ptr without lock, we can read the same value twice, then obtain the lock, and reclaim from there to two different places, but crucially reclaim the same entry twice, resulting in the WARN_ONCE() a little later. Fix that by reading txq->read_ptr under lock.

References

Scores

VersionScoreVectorScored by
CVSS 3.1HIGH 8.8CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HLinux
CVSS 3.1HIGH 8.8CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HNVD · 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Secondary)
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 7b3e42ea2eadd41cc9d6363a9813b8ba8ab6f0e6 < f30e8af109818c9db08cbcc46eb9713fe4b530ba ; affected 7b3e42ea2eadd41cc9d6363a9813b8ba8ab6f0e6 < aab7b39fcac5f6165f6434bcbb56bb7865d4ad2b ; affected 7b3e42ea2eadd41cc9d6363a9813b8ba8ab6f0e6 < b83db8e756dec68a950ed2f056248b1704b3deaa ; affected 7b3e42ea2eadd41cc9d6363a9813b8ba8ab6f0e6 < 43d07103df670484cdd26f9588eabef80f69db89 ; affected 7b3e42ea2eadd41cc9d6363a9813b8ba8ab6f0e6 < c2ace6300600c634553657785dfe5ea0ed688ac2
Linux · Linuxaffected 4.19 ; unaffected 0 < 4.19 ; unaffected 5.15.209 ≤ 5.15.* ; unaffected 6.1.175 ≤ 6.1.* ; unaffected 6.6.31 ≤ 6.6.* ; unaffected 6.8.10 ≤ 6.8.*

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