ALSA: pcm: Check for null pointer of pointer substream before dereferencing it (Linux Linux)

CVE-2022-49498
MEDIUM 5.5

En bref

Source
NVD
EPSS
EPSS 0.27 % · centile 19 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
Linux
Statut NVD
Modified

Description

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: Check for null pointer of pointer substream before dereferencing it Pointer substream is being dereferenced on the assignment of pointer card before substream is being null checked with the macro PCM_RUNTIME_CHECK. Although PCM_RUNTIME_CHECK calls BUG_ON, it still is useful to perform the the pointer check before card is assigned.

Faiblesses (CWE)

  • CWE-476 — Déréférencement de pointeur nul

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:HCISA-ADP
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)
CVSS 3.1MEDIUM 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HNVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Références européennes

Avis du CERT-FR

Configurations affectées (CPE NVD)

Produits affectés

ProduitVersions
Linux · Linuxaffected 95b30a4312545f2dde9db12bf6a425f35d5a0d77 < b2421a196cb0911ea95aec1050a0b830464c8fa6 ; affected d4cfb30fce03093ad944e0b44bd8f40bdad5330e < f2c68c52898f623fe84518da4606538d193b0cca ; affected d4cfb30fce03093ad944e0b44bd8f40bdad5330e < 7784d22f81a29df2ec57ca90d54f93a35cbcd1a2 ; affected d4cfb30fce03093ad944e0b44bd8f40bdad5330e < 1f2e28857be1e5c7db39bbc221332215fc5467e3 ; affected d4cfb30fce03093ad944e0b44bd8f40bdad5330e < b41ef7ad9238c22aa2e142f5ce4ce1a1a0d48123 ; affected d4cfb30fce03093ad944e0b44bd8f40bdad5330e < 011b559be832194f992f73d6c0d5485f5925a10b
Linux · Linuxaffected 5.6 ; unaffected 0 < 5.6 ; unaffected 5.10.121 ≤ 5.10.* ; unaffected 5.15.46 ≤ 5.15.* ; unaffected 5.17.14 ≤ 5.17.* ; unaffected 5.18.3 ≤ 5.18.*

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