wifi: carl9170: do not ping device which has failed to load firmware (Linux Linux)

CVE-2025-38420
MEDIUM 5.5

At a glance

Source
NVD
EPSS
EPSS 0.21 % · percentile 11 ()
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Analyzed

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: carl9170: do not ping device which has failed to load firmware Syzkaller reports [1, 2] crashes caused by an attempts to ping the device which has failed to load firmware. Since such a device doesn't pass 'ieee80211_register_hw()', an internal workqueue managed by 'ieee80211_queue_work()' is not yet created and an attempt to queue work on it causes null-ptr-deref. [1] https://syzkaller.appspot.com/bug?extid=9a4aec827829942045ff [2] https://syzkaller.appspot.com/bug?extid=0d8afba53e8fb2633217

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 e4a668c59080f862af3ecc28b359533027cbe434 < 0140d3d37f0f1759d1fdedd854c7875a86e15f8d ; affected e4a668c59080f862af3ecc28b359533027cbe434 < 8a3734a6f4c05fd24605148f21fb2066690d61b3 ; affected e4a668c59080f862af3ecc28b359533027cbe434 < 527fad1ae32ffa2d4853a1425fe1c8dbb8c9744c ; affected e4a668c59080f862af3ecc28b359533027cbe434 < bfeede26e97ce4a15a0b961118de4a0e28c9907a ; affected e4a668c59080f862af3ecc28b359533027cbe434 < 4e9ab5c48ad5153cc908dd29abad0cd2a92951e4 ; affected e4a668c59080f862af3ecc28b359533027cbe434 < 301268dbaac8e9013719e162a000202eac8054be
Linux · Linuxaffected 2.6.38 ; unaffected 0 < 2.6.38 ; unaffected 5.4.295 ≤ 5.4.* ; unaffected 5.10.239 ≤ 5.10.* ; unaffected 5.15.186 ≤ 5.15.* ; unaffected 6.1.142 ≤ 6.1.*

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