USB: serial: mct_u232: fix memory corruption with small endpoint (Linux Linux)

CVE-2026-63898
HIGH 7.8

En bref

Source
NVD
EPSS
EPSS 0.18 % · centile 7 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
Linux
Statut NVD
Analyzed

Description

In the Linux kernel, the following vulnerability has been resolved: USB: serial: mct_u232: fix memory corruption with small endpoint The driver overrides the maximum transfer size for a specific device which only accepts 16 byte packets for its 32 byte bulk-out endpoint. Make sure to never increase the maximum transfer size to prevent slab corruption should a malicious device report a smaller endpoint max packet size than expected.

Faiblesses (CWE)

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:HNVD · nvd@nist.gov (Primary)

Références européennes

Avis du CERT-FR

Configurations affectées (CPE NVD)

Produits affectés

ProduitVersions
Linux · Linuxaffected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 94edbbc5fe00d03cfe1d4e690d7d2cd36317a935 ; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < bd2ddb3fe9052ad8703593bbec26ecc7ca92869e ; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 39e295a91e80f3b91f61c7ada2bde434dcaba20d ; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 90dbad14b109e5fdfb4934ff61e561d11ba3742d ; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 6cb48f8890f9b2051d7c34823057296a536a31c5 ; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < d8fdf33d6fcfb90cbec26299baf2352c84b2d768
Linux · Linuxaffected 2.6.12 ; unaffected 0 < 2.6.12 ; unaffected 5.10.259 ≤ 5.10.* ; unaffected 5.15.210 ≤ 5.15.* ; unaffected 6.1.176 ≤ 6.1.* ; unaffected 6.6.143 ≤ 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