CVE-2026-63899

Description

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

References

• https://git.kernel.org/stable/c/086b858b5f5125bc9d967ea2bd825f83d9f8f29d
• https://git.kernel.org/stable/c/2f3661eb2446e1ef593da45e01a3b21a906768ec
• https://git.kernel.org/stable/c/4085f0dbb1ce2251c9a5938d693de6593f0ab2bd
• https://git.kernel.org/stable/c/6c0cf56f00f280d72180bb6ce79741bc787a6269
• https://git.kernel.org/stable/c/b40166b4ef96067620a0f248e74ad9658c8f680c