CVE-2026-97421

7.8 Élevée

Publiée le 24/09/2026 à 19:17 · Modifiée le 03/10/2026 à 13:17 · Reçue · Source : 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Description

In the Linux kernel, the following vulnerability has been resolved: RDMA/umem: Be careful about boundary conditions in ib_umem_find_best_pgsz() Several corner cases, especially important on 32 bits: - umem->iova is u64, the function argument should pass in u64 or iova will be truncated - Check that the length is not too large for the iova - Check that lengths > 4G don't overflow the GENMASK

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Produits concernés

Linux

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/09ea6837a0434fb4db99528a5055b6d822135dcf
https://git.kernel.org/stable/c/3014da7587ce006cd08004fd6b257626b314e0a3
https://git.kernel.org/stable/c/5fc5b73109540809b094710fac44da81dd8a3ff8
https://git.kernel.org/stable/c/ae3cf7d2c4d506c5c91746321644e1a08d989e2a
https://git.kernel.org/stable/c/ddccf6cc3861de2fe60986933bead79220e0d797
https://git.kernel.org/stable/c/e9bbb5f5349ef560ff6f0395564f04c3aa664559

Ailleurs

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