s390/zcrypt: Validate length for CCA ECC private key requests (Linux Linux)

CVE-2026-68451
HIGH 7.8

En bref

Source
NVD
EPSS
EPSS 0.13 % · centile 3 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
Linux
Statut NVD
Received

Description

In the Linux kernel, the following vulnerability has been resolved: s390/zcrypt: Validate length for CCA ECC private key requests cca_ecc2protkey() derives the copy length for the CPRB parameter block directly from the length field in the key token. Reject the request early if the token length exceeds the available space in the parameter block.

Faiblesses (CWE)

  • CWE-120 — Copie de tampon sans vérification de taille (débordement classique)

Références

Scores

VersionScoreVecteurÉvalué par
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HLinux
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HNVD · 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Secondary)

Références européennes

Avis du CERT-FR

Produits affectés

ProduitVersions
Linux · Linuxaffected fa6999e326fe7851ecbd572b8cb9be8e930ebf41 < 7dc306ff7c4d951582adaae65e0aee9fb4968dbe ; affected fa6999e326fe7851ecbd572b8cb9be8e930ebf41 < 447a37a6bef11bfd3645069e380460b11386e2b9 ; affected fa6999e326fe7851ecbd572b8cb9be8e930ebf41 < f0831f13c42c1261d449dcee8a035e1c6cd9fcaa ; affected fa6999e326fe7851ecbd572b8cb9be8e930ebf41 < dd25bd9b0f36849808bd7625dcc59dd4c1aeef3e ; affected fa6999e326fe7851ecbd572b8cb9be8e930ebf41 < ecc3b8691c1935f9f3e4eb964ab11e40fdec17f5 ; affected fa6999e326fe7851ecbd572b8cb9be8e930ebf41 < 013a4484f061a2b41f052e25c0015203287e63f1
Linux · Linuxaffected 5.10 ; unaffected 0 < 5.10 ; unaffected 5.10.265 ≤ 5.10.* ; unaffected 5.15.216 ≤ 5.15.* ; unaffected 6.1.183 ≤ 6.1.* ; unaffected 6.6.151 ≤ 6.6.*

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