USB: serial: cypress_m8: fix memory corruption with small endpoint
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.
02 / AFFECTED SOFTWARE
Affected packages
04 / EVIDENCE
Source records
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.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- 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
- https://git.kernel.org/stable/c/6c13f3bb652bc8665e709ba07122612586aea648
- https://git.kernel.org/stable/c/ad3d1628a46134276546d7a12fedf04be9979158
- https://git.kernel.org/stable/c/e1a9d791fd66ab2431b9e6f6f835823809869047
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63956.json
- https://nvd.nist.gov/vuln/detail/CVE-2026-63956