CVE-2026-45993

LoongArch: Add spectre boundry for syscall dispatch table

En bref

Sévérité: Non disponible
EPSS: EPSS 0.14 % · centile 3 (2026-10-27)
État: PUBLISHED
Publiée: 2026-05-27
Mise à jour: 2026-06-19
Attribuée par: Linux
Statut NVD: Modified

Description

In the Linux kernel, the following vulnerability has been resolved: LoongArch: Add spectre boundry for syscall dispatch table The LoongArch syscall number is directly controlled by userspace, but does not have a array_index_nospec() boundry to prevent access past the syscall function pointer tables.

Scores

Version	Score	Vecteur	Évalué par
CVSS 3.1	MEDIUM 5.5	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	NVD · nvd@nist.gov (Primary)

Références européennes

ENISA EUVD · EUVD-2026-32289
GCVE · GCVE-0-2026-45993

Avis du CERT-FR

CERTFR-2026-AVI-0731 — Multiples vulnérabilités dans les produits Microsoft · cert.ssi.gouv.fr

Configurations affectées (CPE NVD)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* ≥ 5.19 < 6.6.140
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* ≥ 6.7 < 6.12.86
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* ≥ 6.13 < 6.18.27
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* ≥ 6.19 < 7.0.4

Produits affectés

Produit	Versions
Linux · Linux	affected be769645a2aef577f07afdcb4de8fad20b6d57c0 < c8a8e863928424046b8fd328f02c359baa0a0c3f ; affected be769645a2aef577f07afdcb4de8fad20b6d57c0 < 108f2cd13577a410c0ad6ea00708596d9d0dfc90 ; affected be769645a2aef577f07afdcb4de8fad20b6d57c0 < 07040904ad217545be096d4280ed33c02f6a3750 ; affected be769645a2aef577f07afdcb4de8fad20b6d57c0 < 85cbf7fb568af5358aae61925c4e66b8f5e1439d ; affected be769645a2aef577f07afdcb4de8fad20b6d57c0 < bc84a109c2082dd0c4b38e8d923c046b41977533 ; affected be769645a2aef577f07afdcb4de8fad20b6d57c0 < 0c965d2784fbbd7f8e3b96d875c9cfdf7c00da3d
Linux · Linux	affected 5.19 ; unaffected 0 < 5.19 ; unaffected 6.1.176 ≤ 6.1.* ; unaffected 6.6.140 ≤ 6.6.* ; unaffected 6.12.86 ≤ 6.12.* ; unaffected 6.18.27 ≤ 6.18.*

Produit

Versions

Linux · Linux

affected be769645a2aef577f07afdcb4de8fad20b6d57c0 < c8a8e863928424046b8fd328f02c359baa0a0c3f ; affected be769645a2aef577f07afdcb4de8fad20b6d57c0 < 108f2cd13577a410c0ad6ea00708596d9d0dfc90 ; affected be769645a2aef577f07afdcb4de8fad20b6d57c0 < 07040904ad217545be096d4280ed33c02f6a3750 ; affected be769645a2aef577f07afdcb4de8fad20b6d57c0 < 85cbf7fb568af5358aae61925c4e66b8f5e1439d ; affected be769645a2aef577f07afdcb4de8fad20b6d57c0 < bc84a109c2082dd0c4b38e8d923c046b41977533 ; affected be769645a2aef577f07afdcb4de8fad20b6d57c0 < 0c965d2784fbbd7f8e3b96d875c9cfdf7c00da3d

Linux · Linux

affected 5.19 ; unaffected 0 < 5.19 ; unaffected 6.1.176 ≤ 6.1.* ; unaffected 6.6.140 ≤ 6.6.* ; unaffected 6.12.86 ≤ 6.12.* ; unaffected 6.18.27 ≤ 6.18.*

Références

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