Description
In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate request buffer size in smb2_allocate_rsp_buf() The response buffer should be allocated in smb2_allocate_rsp_buf before validating request. But the fields in payload as well as smb2 header is used in smb2_allocate_rsp_buf(). This patch add simple buffer size validation to avoid potencial out-of-bounds in request buffer.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Linux Linux
Default version status: unaffected
0626e6641f6b467447c81dd7678a69c66f7746cf to < 8f3d0bf1d0c62b539d54c5b9108a845cff619b99affected0626e6641f6b467447c81dd7678a69c66f7746cf to < 21ff9d7d223c5c19cb4334009e4c0c83a2f4d674affected0626e6641f6b467447c81dd7678a69c66f7746cf to < 5c20b242d4fed73a93591e48bfd9772e2322fb11affected0626e6641f6b467447c81dd7678a69c66f7746cf to < 2c27a64a2bc47d9bfc7c3cf8be14be53b1ee7cb6affected0626e6641f6b467447c81dd7678a69c66f7746cf to < 17cf0c2794bdb6f39671265aa18aea5c22ee8c4aaffected
Linux Linux
Default version status: affected
5.15affected0 to < 5.15unaffected5.15.159 to ≤ 5.15.*unaffected6.1.88 to ≤ 6.1.*unaffected6.6.29 to ≤ 6.6.*unaffected6.8.8 to ≤ 6.8.*unaffected6.9 to ≤ *unaffected
References
- https://git.kernel.org/stable/c/8f3d0bf1d0c62b539d54c5b9108a845cff619b99 ↗
- https://git.kernel.org/stable/c/21ff9d7d223c5c19cb4334009e4c0c83a2f4d674 ↗
- https://git.kernel.org/stable/c/5c20b242d4fed73a93591e48bfd9772e2322fb11 ↗
- https://git.kernel.org/stable/c/2c27a64a2bc47d9bfc7c3cf8be14be53b1ee7cb6 ↗
- https://git.kernel.org/stable/c/17cf0c2794bdb6f39671265aa18aea5c22ee8c4a ↗