powercap: intel_rapl: Fix a NULL pointer dereference (Linux Linux)

CVE-2024-26975
MEDIUM 5.5

En bref

Source
NVD
EPSS
EPSS 0.23 % · centile 13 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
Linux
Statut NVD
Analyzed

Description

In the Linux kernel, the following vulnerability has been resolved: powercap: intel_rapl: Fix a NULL pointer dereference A NULL pointer dereference is triggered when probing the MMIO RAPL driver on platforms with CPU ID not listed in intel_rapl_common CPU model list. This is because the intel_rapl_common module still probes on such platforms even if 'defaults_msr' is not set after commit 1488ac990ac8 ("powercap: intel_rapl: Allow probing without CPUID match"). Thus the MMIO RAPL rp->priv->defaults is NULL when registering to RAPL framework. Fix the problem by adding sanity check to ensure rp->priv->rapl_defaults is always valid.

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:HNVD · nvd@nist.gov (Primary)

Références européennes

Avis du CERT-FR

Configurations affectées (CPE NVD)

Produits affectés

ProduitVersions
Linux · Linuxaffected 1488ac990ac886b1209aa9f94c0c66022bcc8827 < 0641908b906a133f1494c312a71f9fecbe2b6c78 ; affected 1488ac990ac886b1209aa9f94c0c66022bcc8827 < 9b254feb249981b66ccdb1dae54e757789a15ba1 ; affected 1488ac990ac886b1209aa9f94c0c66022bcc8827 < 2f73cf2ae5e0f4e629db5be3a4380ff7807148e6 ; affected 1488ac990ac886b1209aa9f94c0c66022bcc8827 < 2d1f5006ff95770da502f8cee2a224a1ff83866e
Linux · Linuxaffected 6.5 ; unaffected 0 < 6.5 ; unaffected 6.6.24 ≤ 6.6.* ; unaffected 6.7.12 ≤ 6.7.* ; unaffected 6.8.3 ≤ 6.8.* ; unaffected 6.9 ≤ *

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