CVE-2026-63956

Description

In the Linux kernel, the following vulnerability has been resolved: USB: serial: cypress_m8: fix memory corruption with small endpoint Make sure that the interrupt-out endpoint max packet size is at least eight bytes to avoid user-controlled slab corruption or NULL-pointer dereference should a malicious device report a smaller size.

References

• https://git.kernel.org/stable/c/1ef25704bd3b625fd151c09feee459479f71ee64
• https://git.kernel.org/stable/c/284105c40fc31fff90cdab8a0377aaeb92f87f0e
• https://git.kernel.org/stable/c/4bcaa59f403dbde6328604a500d65ee8d40975d9
• https://git.kernel.org/stable/c/4fcb22218f0a7229b7ce3b3952fb644def293fa5
• https://git.kernel.org/stable/c/52e18ae0c47c5c89e18fcd8022f287f7cc8802ec