VULNERABILITY INTELLIGENCE

CVE-2026-63899

CVSS score7.8 HIGH
EPSS probability0.18%
CISA KEVNot currently listed
Published2026-07-19
Last modified2026-10-30
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Description

In the Linux kernel, the following vulnerability has been resolved: USB: serial: mxuport: fix memory corruption with small endpoint Make sure that the bulk-out endpoint max packet size is at least eight bytes to avoid user-controlled slab corruption should a malicious device report a smaller size.

Weakness classification

  • nvd@nist.gov: CWE-787

Primary references