CVE-2026-63928
HIGH severity · CVSS 7.8 · Out-of-bounds write
7.8CVSS HIGH
Summary
In the Linux kernel, the following vulnerability has been resolved: USB: serial: omninet: fix memory corruption with small endpoint Make sure that the bulk-out buffers are at least as large as the hardcoded transfer size to avoid user-controlled slab corruption should a malicious device report a smaller endpoint max packet size than expected.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/0bda1893e4cc4ad2b7dcdbaca246f2af688c6c2a ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/0bda1893e4cc4ad2b7dcdbaca246f2af688c6c2aPatch
- https://git.kernel.org/stable/c/0fee0ccac29e088d4bfab7e2d075725dcecd803dPatch
- https://git.kernel.org/stable/c/180996f0ca774001944e4afa452d569ba2f6455cPatch
- https://git.kernel.org/stable/c/4e7d32189d6219beb7db37cd0ea36b6bac7dfedbPatch
- https://git.kernel.org/stable/c/60df93d30f9bdd27db17c4d80ed80ef718d7226bPatch
- https://git.kernel.org/stable/c/9a3860454bdfb765f936965e975c594352602ffcPatch
- https://git.kernel.org/stable/c/b496e25ead5976bce2891dacaed09beb53a54f9fPatch
- https://git.kernel.org/stable/c/f34cf2928387fba01a78381f3258c7e1428897d9Patch