ACPI: CPPC: Fix NULL pointer dereference when nosmp is used (Linux Linux)

CVE-2025-38113
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: ACPI: CPPC: Fix NULL pointer dereference when nosmp is used With nosmp in cmdline, other CPUs are not brought up, leaving their cpc_desc_ptr NULL. CPU0's iteration via for_each_possible_cpu() dereferences these NULL pointers, causing panic. Panic backtrace: [ 0.401123] Unable to handle kernel NULL pointer dereference at virtual address 00000000000000b8 ... [ 0.403255] [<ffffffff809a5818>] cppc_allow_fast_switch+0x6a/0xd4 ... Kernel panic - not syncing: Attempted to kill init! [ rjw: New subject ]

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 3cc30dd00a580ca0c9c0b01639841cfd72d10129 < 356d09c7f5bf525086002a34f8bae40b134d1611 ; affected 3cc30dd00a580ca0c9c0b01639841cfd72d10129 < c6dad167aade4bf0bef9130f2f149f4249fc4ad0 ; affected 3cc30dd00a580ca0c9c0b01639841cfd72d10129 < 32a48db4cf28ea087214c261da8476db218d08bd ; affected 3cc30dd00a580ca0c9c0b01639841cfd72d10129 < 1a677d0ceb4a5d62117b711a8b2e0aee80d33015 ; affected 3cc30dd00a580ca0c9c0b01639841cfd72d10129 < 15eece6c5b05e5f9db0711978c3e3b7f1a2cfe12
Linux · Linuxaffected 5.19 ; unaffected 0 < 5.19 ; unaffected 6.1.142 ≤ 6.1.* ; unaffected 6.6.94 ≤ 6.6.* ; unaffected 6.12.34 ≤ 6.12.* ; unaffected 6.15.3 ≤ 6.15.*

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