CVE-2026-63897

USB: serial: mct_u232: fix missing interrupt-in transfer sanity check

published July 19, 2026

CVSS
—
EPSS
0%
Percentile
12.5
In the wild
Unconfirmed
What it is

In the Linux kernel, the following vulnerability has been resolved:

USB: serial: mct_u232: fix missing interrupt-in transfer sanity check

Add the missing sanity check on the size of interrupt-in transfers to

avoid parsing stale or uninitialised slab data (and leaking it to user

space).

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00226 · 12.5th percentile
Published
2026-07-19T14:55Z
EPSS history
Timeline
  • 19 JUL 14:55Z
    USB: serial: mct_u232: fix missing interrupt-in transfer sanity check
    cvelistv5