CVE-2026-63897
N/AIn 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).
NO EXPLOITATION SIGNALS
No known exploitation, public exploit, or elevated probability at this time. Track for changes.
Exploitation likelihood
0.2%chance of exploitation in 30 days · 11th percentile
○ In CISA KEV
○ Public exploit / PoC
Impact if exploited
—CVSS · not scored
- No impact metrics
Proof of concept & exploit code
- github-search Search GitHub for public PoC repos
Test against your own equipment
curl -s https://vulnpedia.com/cve/CVE-2026-63897/poc.jsonMachine-readable PoC index for this CVE (for automation).Listed for defensive triage, patch verification, and authorized testing on systems you own. Machine-readable: /cve/CVE-2026-63897/poc.json
References
Technical & other
- https://git.kernel.org/stable/c/82b48d70bced1ec8e5f676d1fd5eccc7a44dc418
- https://git.kernel.org/stable/c/8b93ee5baeef6efabee2c3381907733ad2dbc883
- https://git.kernel.org/stable/c/a093f3e0c03d25a86d747a655d4b9322ffb2ed87
- https://git.kernel.org/stable/c/70bb9a2661d34b93a9b83cf83e2b76289a712ef0
- https://git.kernel.org/stable/c/631b8b7c456567f7a8d26f6fc354c8dd9cc9f832
- https://git.kernel.org/stable/c/f06bcaba29707f060706483b2020d3cafbe98f9f
- https://git.kernel.org/stable/c/ed260b56bc9fc878e5dcbb866eab8af0688e0e67
- https://git.kernel.org/stable/c/245aba83e3c288e176ed037a1f6b618b09e92ed8