ceph: avoid putting the realm twice when decoding snaps fails (Linux Linux)

CVE-2022-49770
CRITICAL 9.8

En bref

Source
NVD
EPSS
EPSS 0.57 % · centile 47 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
Linux
Statut NVD
Modified

Description

In the Linux kernel, the following vulnerability has been resolved: ceph: avoid putting the realm twice when decoding snaps fails When decoding the snaps fails it maybe leaving the 'first_realm' and 'realm' pointing to the same snaprealm memory. And then it'll put it twice and could cause random use-after-free, BUG_ON, etc issues.

Faiblesses (CWE)

  • CWE-416 — Utilisation après libération

Références

Scores

VersionScoreVecteurÉvalué par
CVSS 3.1CRITICAL 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HLinux
CVSS 3.1CRITICAL 9.8CVSS:3.1/AV:N/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 982d6011bc30a26e8a3d546e0e7fc7db2c255d85 < 274e4c79a3a2a24fba7cfe0e41113f1138785c37 ; affected 982d6011bc30a26e8a3d546e0e7fc7db2c255d85 < cb7495fe957526555782ce0723f79ce92a6db22e ; affected 982d6011bc30a26e8a3d546e0e7fc7db2c255d85 < 044bc6d3c2c0e9090b0841e7b723875756534b45 ; affected 982d6011bc30a26e8a3d546e0e7fc7db2c255d85 < 2f6e2de3a5289004650118b61f138fe7c28e1905 ; affected 982d6011bc30a26e8a3d546e0e7fc7db2c255d85 < fd879c83e87735ab8f00ef7755752cf0cbae24b2 ; affected 982d6011bc30a26e8a3d546e0e7fc7db2c255d85 < 51884d153f7ec85e18d607b2467820a90e0f4359
Linux · Linuxaffected 4.0 ; unaffected 0 < 4.0 ; unaffected 4.19.268 ≤ 4.19.* ; unaffected 5.4.226 ≤ 5.4.* ; unaffected 5.10.157 ≤ 5.10.* ; unaffected 5.15.81 ≤ 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