bus: fsl-mc-bus: fix KASAN use-after-free in fsl_mc_bus_remove() (Linux Linux)
En bref
- Source
- NVD
- EPSS
- EPSS 0.27 % · centile 20 ()
- État
- PUBLISHED
- Publiée
- Mise à jour
- Attribuée par
- Linux
- Statut NVD
- Analyzed
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Description
In the Linux kernel, the following vulnerability has been resolved: bus: fsl-mc-bus: fix KASAN use-after-free in fsl_mc_bus_remove() In fsl_mc_bus_remove(), mc->root_mc_bus_dev->mc_io is passed to fsl_destroy_mc_io(). However, mc->root_mc_bus_dev is already freed in fsl_mc_device_remove(). Then reference to mc->root_mc_bus_dev->mc_io triggers KASAN use-after-free. To avoid the use-after-free, keep the reference to mc->root_mc_bus_dev->mc_io in a local variable and pass to fsl_destroy_mc_io(). This patch needs rework to apply to kernels older than v5.15.
Faiblesses (CWE)
- CWE-416 — Utilisation après libération
Références
Scores
| Version | Score | Vecteur | Évalué par |
|---|---|---|---|
| CVSS 3.1 | HIGH 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | CISA-ADP |
| CVSS 3.1 | HIGH 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | NVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary) |
Références européennes
- ENISA EUVD · EUVD-2022-54524
- GCVE · GCVE-0-2022-49711
Avis du CERT-FR
- CERTFR-2026-AVI-0167 — Multiples vulnérabilités dans le noyau Linux de Debian LTS · cert.ssi.gouv.fr
- CERTFR-2025-AVI-0336 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2025-AVI-0307 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2025-AVI-0252 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
Configurations affectées (CPE NVD)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 4.8 < 5.10.248cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 5.11 < 5.15.49cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 5.16 < 5.18.6cpe:2.3:o:linux:linux_kernel:5.19:rc1:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:5.19:rc2:*:*:*:*:*:*
Produits affectés
| Produit | Versions |
|---|---|
| Linux · Linux | affected f93627146f0e371093966ed3d44c065aa077cfb1 < 720ab105df7bf3eee62d2bddd41526b29d07d045 ; affected f93627146f0e371093966ed3d44c065aa077cfb1 < ccd1751092341ac120a961835211f9f2e3735963 ; affected f93627146f0e371093966ed3d44c065aa077cfb1 < 161b68b0a728377aaa10a8e14c70e7734f3c9ff7 ; affected f93627146f0e371093966ed3d44c065aa077cfb1 < 928ea98252ad75118950941683893cf904541da9 |
| Linux · Linux | affected 4.8 ; unaffected 0 < 4.8 ; unaffected 5.10.248 ≤ 5.10.* ; unaffected 5.15.49 ≤ 5.15.* ; unaffected 5.18.6 ≤ 5.18.* ; unaffected 5.19 ≤ * |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |