apparmor: Fix memleak in aa_simple_write_to_buffer() (Linux Linux)

CVE-2022-50074
MEDIUM 5.5

En bref

Source
NVD
EPSS
EPSS 0.19 % · centile 9 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
Linux
Statut NVD
Analyzed

Description

In the Linux kernel, the following vulnerability has been resolved: apparmor: Fix memleak in aa_simple_write_to_buffer() When copy_from_user failed, the memory is freed by kvfree. however the management struct and data blob are allocated independently, so only kvfree(data) cause a memleak issue here. Use aa_put_loaddata(data) to fix this issue.

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 a6a52579e52b55448326db88bd9a5740e7c1a037 < 6500eb3a48ac221051b1791818a1ac74744ef617 ; affected a6a52579e52b55448326db88bd9a5740e7c1a037 < 7db182a2ebeefded86fea542fcc5d6a68bb77f58 ; affected a6a52579e52b55448326db88bd9a5740e7c1a037 < 8aab4295582eb397a125d2788b829fa62b88dbf7 ; affected a6a52579e52b55448326db88bd9a5740e7c1a037 < bf7ebebce2c25071c719fd8a2f1307e0c243c2d7 ; affected a6a52579e52b55448326db88bd9a5740e7c1a037 < 6583edbf459de2e06b9759f264c0ae27e452b97a ; affected a6a52579e52b55448326db88bd9a5740e7c1a037 < 417ea9fe972d2654a268ad66e89c8fcae67017c3
Linux · Linuxaffected 4.17 ; unaffected 0 < 4.17 ; unaffected 4.19.256 ≤ 4.19.* ; unaffected 5.4.211 ≤ 5.4.* ; unaffected 5.10.138 ≤ 5.10.* ; unaffected 5.15.63 ≤ 5.15.*

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