Description (CNA)
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix incorrect validation for num_aces field of smb_acl parse_dcal() validate num_aces to allocate posix_ace_state_array. if (num_aces > ULONG_MAX / sizeof(struct smb_ace *)) It is an incorrect validation that we can create an array of size ULONG_MAX. smb_acl has ->size field to calculate actual number of aces in request buffer size. Use this to check invalid num_aces.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected 0626e6641f6b467447c81dd7678a69c66f7746cf before c3a3484d9d31b27a3db0fab91fcf191132d65236; affected 0626e6641f6b467447c81dd7678a69c66f7746cf before 9c4e202abff45f8eac17989e549fc7a75095f675; affected 0626e6641f6b467447c81dd7678a69c66f7746cf before d0f87370622a853b57e851f7d5a5452b72300f19; affected 0626e6641f6b467447c81dd7678a69c66f7746cf before a4cb17797a5d241f1e509cb5b46ed95a80c2f5fd; affected 0626e6641f6b467447c81dd7678a69c66f7746cf before f6a6721802ac2f12f4c1bbe839a4c229b61866f2; affected 0626e6641f6b467447c81dd7678a69c66f7746cf before 1b8b67f3c5e5169535e26efedd3e422172e2db64 |
| Linux / Linux | affected 5.15; unaffected 0 before 5.15; unaffected 5.15.180 through 5.15.*; unaffected 6.1.132 through 6.1.*; unaffected 6.6.85 through 6.6.*; unaffected 6.12.21 through 6.12.*; unaffected 6.13.9 through 6.13.*; unaffected 6.14 through * |
CWE
No CWE identifiers supplied.
References
- https://git.kernel.org/stable/c/c3a3484d9d31b27a3db0fab91fcf191132d65236
- https://git.kernel.org/stable/c/9c4e202abff45f8eac17989e549fc7a75095f675
- https://git.kernel.org/stable/c/d0f87370622a853b57e851f7d5a5452b72300f19
- https://git.kernel.org/stable/c/a4cb17797a5d241f1e509cb5b46ed95a80c2f5fd
- https://git.kernel.org/stable/c/f6a6721802ac2f12f4c1bbe839a4c229b61866f2
- https://git.kernel.org/stable/c/1b8b67f3c5e5169535e26efedd3e422172e2db64
ADP enrichment
No English description supplied.