CVE-2026-63898
In the Linux kernel, the following vulnerability has been resolved: USB: serial: mct_u232: fix memory corruption with small endpoint The driver overrides the maximum transfer size for a specific device which only accepts 16 byte packets for its 32 byte bulk-out endpoint. Make sure to never increase the maximum transfer size to prevent slab corruption should a malicious device report a smaller endpoint max packet size than expected.
- Published Jul 19, 2026
- Not yet scored
- 0.2% chance of exploitation in the next 30 days (EPSS)
- A fix is available
Affected software
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