Bluetooth: L2CAP: do not leave dangling sk pointer on error in l2cap_sock_create() (Linux Linux)

CVE-2024-56605
HIGH 7.8

En bref

Source
NVD
EPSS
EPSS 0.24 % · centile 15 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
Linux
Statut NVD
Modified

Description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: do not leave dangling sk pointer on error in l2cap_sock_create() bt_sock_alloc() allocates the sk object and attaches it to the provided sock object. On error l2cap_sock_alloc() frees the sk object, but the dangling pointer is still attached to the sock object, which may create use-after-free in other code.

Faiblesses (CWE)

  • CWE-416 — Utilisation après libération

Références

Scores

VersionScoreVecteurÉvalué par
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HLinux
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HCISA-ADP
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HNVD · nvd@nist.gov (Primary)
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HNVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Références européennes

Avis du CERT-FR

Configurations affectées (CPE NVD)

Produits affectés

ProduitVersions
Linux · Linuxaffected 49dfbb9129c4edb318578de35cc45c555df37884 < f6ad641646b67f29c7578dcd6c25813c7dcbf51e ; affected 49dfbb9129c4edb318578de35cc45c555df37884 < daa13175a6dea312a76099066cb4cbd4fc959a84 ; affected 49dfbb9129c4edb318578de35cc45c555df37884 < a8677028dd5123e5e525b8195483994d87123de4 ; affected 49dfbb9129c4edb318578de35cc45c555df37884 < bb2f2342a6ddf7c04f9aefbbfe86104cd138e629 ; affected 49dfbb9129c4edb318578de35cc45c555df37884 < 8ad09ddc63ace3950ac43db6fbfe25b40f589dd6 ; affected 49dfbb9129c4edb318578de35cc45c555df37884 < 61686abc2f3c2c67822aa23ce6f160467ec83d35
Linux · Linuxaffected 3.6 ; unaffected 0 < 3.6 ; unaffected 5.4.287 ≤ 5.4.* ; unaffected 5.10.231 ≤ 5.10.* ; unaffected 5.15.174 ≤ 5.15.* ; unaffected 6.1.120 ≤ 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