Description
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).
Affected products
linux: linux kernel
References8
- git.kernel.org/stable/c/245aba83e3c288e176ed037a1f6b618b09e92ed8 Patch
- git.kernel.org/stable/c/631b8b7c456567f7a8d26f6fc354c8dd9cc9f832 Patch
- git.kernel.org/stable/c/70bb9a2661d34b93a9b83cf83e2b76289a712ef0 Patch
- git.kernel.org/stable/c/82b48d70bced1ec8e5f676d1fd5eccc7a44dc418 Patch
- git.kernel.org/stable/c/8b93ee5baeef6efabee2c3381907733ad2dbc883 Patch
- git.kernel.org/stable/c/a093f3e0c03d25a86d747a655d4b9322ffb2ed87 Patch
- git.kernel.org/stable/c/ed260b56bc9fc878e5dcbb866eab8af0688e0e67 Patch
- git.kernel.org/stable/c/f06bcaba29707f060706483b2020d3cafbe98f9f Patch
Metrics
- CVSS 3.1
-
5.5
MEDIUM
Score source: NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - EPSS — exploit probability
- 0% percentile: 6 · as of 14 November 2026
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.