PT-2026-61214 · Linux+1 · Linux Kernel+1
CVE-2026-63897
·
Published
2026-05-20
·
Updated
2026-09-07
CVSS v3.1
9.1
Critical
| Vector | AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
An issue exists in the
mct u232 USB serial driver where a missing sanity check on the size of interrupt-in transfers allows the system to parse stale or uninitialized slab data. This can lead to the leakage of sensitive information from the kernel slab (a memory management mechanism for allocating small objects) to user space.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
Use of Uninitialized Resource
Information Disclosure
Found an issue in the description? Have something to add? Feel free to write us 👾
Related Identifiers
Affected Products
Linux Kernel
Ubuntu