Bluetooth: hci_ll: Fix firmware leak on error path (Linux Linux)

CVE-2026-43069
MEDIUM 5.5

En bref

Source
NVD
EPSS
EPSS 0.11 % · centile 1 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
Linux
Statut NVD
Analyzed

Description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_ll: Fix firmware leak on error path Smatch reports: drivers/bluetooth/hci_ll.c:587 download_firmware() warn: 'fw' from request_firmware() not released on lines: 544. In download_firmware(), if request_firmware() succeeds but the returned firmware content is invalid (no data or zero size), the function returns without releasing the firmware, resulting in a resource leak. Fix this by calling release_firmware() before returning when request_firmware() succeeded but the firmware content is invalid.

Faiblesses (CWE)

  • CWE-401 — Mémoire non libérée après sa durée de vie utile

Références

Scores

VersionScoreVecteurÉvalué par
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)

Références européennes

Avis du CERT-FR

Configurations affectées (CPE NVD)

Produits affectés

ProduitVersions
Linux · Linuxaffected 371805522f870986144fcd88727a47858e364a2c < 95e8601af227b2b4390eecf8db6abdb9f6a91f17 ; affected 371805522f870986144fcd88727a47858e364a2c < e6d95488c8c964d1df0d3e1db44c958706311e86 ; affected 371805522f870986144fcd88727a47858e364a2c < b2dfbf1b5ff192cefd49574b951a4af9ddd32213 ; affected 371805522f870986144fcd88727a47858e364a2c < 28904375d54b436a757641fb0331537778c0de5a ; affected 371805522f870986144fcd88727a47858e364a2c < 5213ef54528dd1ac79b846e30d8f72ce092794aa ; affected 371805522f870986144fcd88727a47858e364a2c < 9ecbfd93cd6de6c78cb7fd51fe079e36c7ff074b
Linux · Linuxaffected 4.12 ; unaffected 0 < 4.12 ; unaffected 5.10.253 ≤ 5.10.* ; unaffected 5.15.203 ≤ 5.15.* ; unaffected 6.1.168 ≤ 6.1.* ; unaffected 6.6.131 ≤ 6.6.*

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