Description (CNA)
In the Linux kernel, the following vulnerability has been resolved: ksmbd: transport_ipc: validate payload size before reading handle handle_response() dereferences the payload as a 4-byte handle without verifying that the declared payload size is at least 4 bytes. A malformed or truncated message from ksmbd.mountd can lead to a 4-byte read past the declared payload size. Validate the size before dereferencing. This is a minimal fix to guard the initial handle read.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected 0626e6641f6b467447c81dd7678a69c66f7746cf before a02e432d5130da4c723aabe1205bac805889fdb2; affected 0626e6641f6b467447c81dd7678a69c66f7746cf before 2dc125f5da134c0915a840b62565c60a595673dd; affected 0626e6641f6b467447c81dd7678a69c66f7746cf before 898d527ed94c19980a4d848f10057f1fed578ffb; affected 0626e6641f6b467447c81dd7678a69c66f7746cf before 867ffd9d67285612da3f0498ca618297f8e41f01; affected 0626e6641f6b467447c81dd7678a69c66f7746cf before 6f40e50ceb99fc8ef37e5c56e2ec1d162733fef0 |
| Linux / Linux | affected 5.15; unaffected 0 before 5.15; unaffected 6.1.158 through 6.1.*; unaffected 6.6.115 through 6.6.*; unaffected 6.12.56 through 6.12.*; unaffected 6.17.6 through 6.17.*; unaffected 6.18 through * |
CWE
No CWE identifiers supplied.
References
- https://git.kernel.org/stable/c/a02e432d5130da4c723aabe1205bac805889fdb2
- https://git.kernel.org/stable/c/2dc125f5da134c0915a840b62565c60a595673dd
- https://git.kernel.org/stable/c/898d527ed94c19980a4d848f10057f1fed578ffb
- https://git.kernel.org/stable/c/867ffd9d67285612da3f0498ca618297f8e41f01
- https://git.kernel.org/stable/c/6f40e50ceb99fc8ef37e5c56e2ec1d162733fef0