accel/habanalabs: support mapping cb with vmalloc-backed coherent memory (Linux Linux)

CVE-2025-40311
Non disponible

En bref

Source
NVD
EPSS
EPSS 0.19 % · centile 8 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
Linux
Statut NVD
Deferred

Description

In the Linux kernel, the following vulnerability has been resolved: accel/habanalabs: support mapping cb with vmalloc-backed coherent memory When IOMMU is enabled, dma_alloc_coherent() with GFP_USER may return addresses from the vmalloc range. If such an address is mapped without VM_MIXEDMAP, vm_insert_page() will trigger a BUG_ON due to the VM_PFNMAP restriction. Fix this by checking for vmalloc addresses and setting VM_MIXEDMAP in the VMA before mapping. This ensures safe mapping and avoids kernel crashes. The memory is still driver-allocated and cannot be accessed directly by userspace.

Références

Références européennes

Avis du CERT-FR

Produits affectés

ProduitVersions
Linux · Linuxaffected ac0ae6a96aa58eeba4aed97b12ef1dea8c5bf399 < 8de421db5b1b2b37e9643ea7f6ade90fd756892d ; affected ac0ae6a96aa58eeba4aed97b12ef1dea8c5bf399 < 7ec8ac9f73d4a9438c2186768d6de27ace37531e ; affected ac0ae6a96aa58eeba4aed97b12ef1dea8c5bf399 < d1dfe21a332d38a6a09658ec29a55940afb5fe36 ; affected ac0ae6a96aa58eeba4aed97b12ef1dea8c5bf399 < 73c7c2cdb442fc4160d2a2a4bfffbd162af06cb9 ; affected ac0ae6a96aa58eeba4aed97b12ef1dea8c5bf399 < 513024d5a0e34fd34247043f1876b6138ca52847
Linux · Linuxaffected 5.8 ; unaffected 0 < 5.8 ; unaffected 6.1.191 ≤ 6.1.* ; unaffected 6.6.117 ≤ 6.6.* ; unaffected 6.12.58 ≤ 6.12.* ; unaffected 6.17.8 ≤ 6.17.*

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