CVE-2026-63956
USB: serial: cypress_m8: fix memory corruption with small endpoint
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Jul 19, 2026 |
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Affected Versions
Linux / Linux
3416eaa1f8f8d516b77de514e14cf8da256d28fb < 4fcb22218f0a7229b7ce3b3952fb644def293fa5 3416eaa1f8f8d516b77de514e14cf8da256d28fb < ad3d1628a46134276546d7a12fedf04be9979158 3416eaa1f8f8d516b77de514e14cf8da256d28fb < 52e18ae0c47c5c89e18fcd8022f287f7cc8802ec 3416eaa1f8f8d516b77de514e14cf8da256d28fb < 4bcaa59f403dbde6328604a500d65ee8d40975d9 3416eaa1f8f8d516b77de514e14cf8da256d28fb < 1ef25704bd3b625fd151c09feee459479f71ee64 3416eaa1f8f8d516b77de514e14cf8da256d28fb < 284105c40fc31fff90cdab8a0377aaeb92f87f0e 3416eaa1f8f8d516b77de514e14cf8da256d28fb < 6c13f3bb652bc8665e709ba07122612586aea648 3416eaa1f8f8d516b77de514e14cf8da256d28fb < e1a9d791fd66ab2431b9e6f6f835823809869047
Linux / Linux
2.6.26
References
git.kernel.org: https://git.kernel.org/stable/c/4fcb22218f0a7229b7ce3b3952fb644def293fa5 git.kernel.org: https://git.kernel.org/stable/c/ad3d1628a46134276546d7a12fedf04be9979158 git.kernel.org: https://git.kernel.org/stable/c/52e18ae0c47c5c89e18fcd8022f287f7cc8802ec git.kernel.org: https://git.kernel.org/stable/c/4bcaa59f403dbde6328604a500d65ee8d40975d9 git.kernel.org: https://git.kernel.org/stable/c/1ef25704bd3b625fd151c09feee459479f71ee64 git.kernel.org: https://git.kernel.org/stable/c/284105c40fc31fff90cdab8a0377aaeb92f87f0e git.kernel.org: https://git.kernel.org/stable/c/6c13f3bb652bc8665e709ba07122612586aea648 git.kernel.org: https://git.kernel.org/stable/c/e1a9d791fd66ab2431b9e6f6f835823809869047