Drivers: hv: vmbus: Use after free in __vmbus_open() (Linux Linux)

CVE-2021-47049
HIGH 8.4

En bref

Source
NVD
EPSS
EPSS 0.23 % · centile 14 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
Linux
Statut NVD
Modified

Description

In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Use after free in __vmbus_open() The "open_info" variable is added to the &vmbus_connection.chn_msg_list, but the error handling frees "open_info" without removing it from the list. This will result in a use after free. First remove it from the list, and then free it.

Faiblesses (CWE)

  • CWE-416 — Utilisation après libération

Références

Scores

VersionScoreVecteurÉvalué par
CVSS 3.1HIGH 8.4CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HLinux
CVSS 3.1HIGH 8.4CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HNVD · 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Secondary)
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)

Références européennes

Avis du CERT-FR

Configurations affectées (CPE NVD)

Produits affectés

ProduitVersions
Linux · Linuxaffected 6f3d791f300618caf82a2be0c27456edd76d5164 < d5c7b42c9f56ca46b286daa537d181bd7f69214f ; affected 6f3d791f300618caf82a2be0c27456edd76d5164 < f37dd5d1b5d38a79a4f7b8dd7bbb705505f05560 ; affected 6f3d791f300618caf82a2be0c27456edd76d5164 < 2728f289b3270b0e273292b46c534421a33bbfd5 ; affected 6f3d791f300618caf82a2be0c27456edd76d5164 < 3e9bf43f7f7a46f21ec071cb47be92d0874c48da ; affected 6b32d45bd59982751beb8220e442b40b2706647f ; affected 4.13.9 < 4.14
Linux · Linuxaffected 4.14 ; unaffected 0 < 4.14 ; unaffected 5.10.37 ≤ 5.10.* ; unaffected 5.11.21 ≤ 5.11.* ; unaffected 5.12.4 ≤ 5.12.* ; unaffected 5.13 ≤ *

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