PT-2026-61214 · Linux · Linux

CVE-2026-63897 · Published 2026-07-19 · Updated 2026-07-19

Mitre

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).

Related Identifiers

CVE-2026-63897

Affected Products

Linux

References · 9

• https://nvd.nist.gov/vuln/detail/CVE-2026-63897 · Security Note
• https://git.kernel.org/stable/c/82b48d70bced1ec8e5f676d1fd5eccc7a44dc418 · Note
• https://git.kernel.org/stable/c/631b8b7c456567f7a8d26f6fc354c8dd9cc9f832 · Note
• https://git.kernel.org/stable/c/a093f3e0c03d25a86d747a655d4b9322ffb2ed87 · Note
• https://git.kernel.org/stable/c/8b93ee5baeef6efabee2c3381907733ad2dbc883 · Note
• https://git.kernel.org/stable/c/245aba83e3c288e176ed037a1f6b618b09e92ed8 · Note
• https://git.kernel.org/stable/c/f06bcaba29707f060706483b2020d3cafbe98f9f · Note
• https://git.kernel.org/stable/c/ed260b56bc9fc878e5dcbb866eab8af0688e0e67 · Note
• https://git.kernel.org/stable/c/70bb9a2661d34b93a9b83cf83e2b76289a712ef0 · Note