CVE-2023-3865

Summary

In the Linux kernel, the following vulnerability has been resolved:

ksmbd: fix out-of-bound read in smb2_write

ksmbd_smb2_check_message doesn't validate hdr->NextCommand. If ->NextCommand is bigger than Offset + Length of smb2 write, It will allow oversized smb2 write length. It will cause OOB read in smb2_write.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux0626e6641f6b467447c81dd7678a69c66f7746cf < 3813eee5154d6a4c5875cb4444cb2b63bac8947faffected
LinuxLinux0626e6641f6b467447c81dd7678a69c66f7746cf < c86211159bc3178b891e0d60e586a32c7b6a231baffected
LinuxLinux0626e6641f6b467447c81dd7678a69c66f7746cf < 58a9c41064df27632e780c5a3ae3e0e4284957d1affected
LinuxLinux0626e6641f6b467447c81dd7678a69c66f7746cf < 5fe7f7b78290638806211046a99f031ff26164e1affected
LinuxLinux5.15affected
LinuxLinux0 < 5.15unaffected
LinuxLinux5.15.121 <= 5.15.*unaffected
LinuxLinux6.1.36 <= 6.1.*unaffected
LinuxLinux6.3.10 <= 6.3.*unaffected
LinuxLinux6.4 <= *unaffected

Weaknesses

References