Description (CNA)
In the Linux kernel, the following vulnerability has been resolved: smb/client: fix out-of-bounds read in smb2_compound_op() If a server sends a truncated response but a large OutputBufferLength, and terminates the EA list early, check_wsl_eas() returns success without validating that the entire OutputBufferLength fits within iov_len. Then smb2_compound_op() does: memcpy(idata->wsl.eas, data[0], size[0]); Where size[0] is OutputBufferLength. If iov_len is smaller than size[0], memcpy can read beyond the end of the rsp_iov allocation and leak adjacent kernel heap memory.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected 7449d736bbbd160c76b01b8fcdf72f58a8757d4b before dffb44b2e06a2908e249f0f93156fc987eee1d1c; affected ea41367b2a602f602ea6594fc4a310520dcc64f4 before 9b3af35645ff9cd334edc130249f9a2fb2bea25f; affected ea41367b2a602f602ea6594fc4a310520dcc64f4 before 512d33bc8ea4ea5c19728ee118715f4b1f4d1926; affected ea41367b2a602f602ea6594fc4a310520dcc64f4 before a16f70a71be4b5a4eccf39a9bf09b47285f4cb7c; affected ea41367b2a602f602ea6594fc4a310520dcc64f4 before 8d09328dfda089675e4c049f3f256064a1d1996b; affected 6.6.32 before 6.6.140 |
| Linux / Linux | affected 6.9; unaffected 0 before 6.9; unaffected 6.6.140 through 6.6.*; unaffected 6.12.88 through 6.12.*; unaffected 6.18.30 through 6.18.*; unaffected 7.0.7 through 7.0.*; unaffected 7.1 through * |
CWE
No CWE identifiers supplied.
References
- https://git.kernel.org/stable/c/dffb44b2e06a2908e249f0f93156fc987eee1d1c
- https://git.kernel.org/stable/c/9b3af35645ff9cd334edc130249f9a2fb2bea25f
- https://git.kernel.org/stable/c/512d33bc8ea4ea5c19728ee118715f4b1f4d1926
- https://git.kernel.org/stable/c/a16f70a71be4b5a4eccf39a9bf09b47285f4cb7c
- https://git.kernel.org/stable/c/8d09328dfda089675e4c049f3f256064a1d1996b
ADP enrichment
No English description supplied.
No references supplied.