> CVE-2026-63898

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PUBLISHED
2026-07-19 16:17
MODIFIED
2026-07-19 16:17
EPSS (Prob. Exploit)
0.18%
Top 92.9%
DATA SOURCES:
NVD 🔗 2026-07-19 RED HAT 🔗 2026-07-26 FIRST EPSS 🔗 2026-11-01 OSV 🔗 2026-11-02

> 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.

> AFFECTED_PRODUCTS

ℹ️ Aucun produit affecté n'a encore été publié par NVD pour cette CVE.

> RED HAT SEVERITY ASSESSMENT

THREAT SEVERITY
Moderate

> OSV (GOOGLE OPEN SOURCE VULNERABILITIES)

USB: serial: mct_u232: fix memory corruption with small endpoint

AFFECTED PACKAGES:
Unknown / Unknown
1833 versions affected
Linux / Kernel

> HISTORIQUE DES MODIFICATIONS

Première apparition
19/07/2026 16:17
Source: NVD
📊 ENRICHISSEMENT 26/07/2026 05:01
REDHAT
Champ modifié: Sévérité Red Hat
Ancienne valeur:
N/A
Nouvelle valeur:
{ "threat_severity": "Moderate", "severity_scale": null }
📊 ENRICHISSEMENT 26/07/2026 05:01
REDHAT
Champ modifié: Red Hat
Ancienne valeur:
Non
Nouvelle valeur:
Oui
Total des modifications: 2 Dernière mise à jour: 3 months ago

> REFERENCES

https://git.kernel.org/stable/c/39e295a91e80f3b91f61c7ada2bde434dcaba20d
https://git.kernel.org/stable/c/57f332af1745014cd7e40414814ffaa6bc7d3b5b
https://git.kernel.org/stable/c/6cb48f8890f9b2051d7c34823057296a536a31c5
https://git.kernel.org/stable/c/90dbad14b109e5fdfb4934ff61e561d11ba3742d
https://git.kernel.org/stable/c/915b36d701950503c4ea0f6e314b10868e59fce3
https://git.kernel.org/stable/c/94edbbc5fe00d03cfe1d4e690d7d2cd36317a935
https://git.kernel.org/stable/c/bd2ddb3fe9052ad8703593bbec26ecc7ca92869e
https://git.kernel.org/stable/c/d8fdf33d6fcfb90cbec26299baf2352c84b2d768
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