CVE-2026-45931

7.8 Élevée

Publiée le 27/05/2026 à 16:17 · Modifiée le 25/06/2026 à 14:46 · Analyse NVD en cours · Source : 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Description

In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Hold mm structure across iommu_sva_unbind_device() Some tests trigger a crash in iommu_sva_unbind_device() due to accessing iommu_mm after the associated mm structure has been freed. Fix this by taking an explicit reference to the mm structure after successfully binding the device, and releasing it only after the device is unbound. This ensures the mm remains valid for the entire SVA bind/unbind lifetime.

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Produits concernés

Linux
Linux linux kernel

Scores CVSS

Version	Score	Source	Vecteur
3.1	7.8 Élevée	416baaa9-dc9f-4396-8d5f-8c081fb06d67	`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`

Références

https://git.kernel.org/stable/c/a9162439ad792afcddc04718408ec1380b7a5f63 Patch
https://git.kernel.org/stable/c/f31ccf6278132a35a652fe5eeac3941e1e912398 Patch
https://git.kernel.org/stable/c/f6b4c1d98a7b8040d4d02e89425b3942016a2c2c Patch

Ailleurs

NVD
CVE.org
CIRCL Vulnerability-Lookup
CERT-FR
GitHub Advisories