VulnerabilityModified
CVE-2023-3865
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.
HIGH 7.1EPSS 0.60%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.60%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 7.1 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
- EPSS
- 0.60% probability · 47th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-125
- Affected
- linux/linux kernel
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
References
- https://git.kernel.org/stable/c/3813eee5154d6a4c5875cb4444cb2b63bac8947fPatch
- https://git.kernel.org/stable/c/58a9c41064df27632e780c5a3ae3e0e4284957d1Patch
- https://git.kernel.org/stable/c/5fe7f7b78290638806211046a99f031ff26164e1Patch
- https://git.kernel.org/stable/c/c86211159bc3178b891e0d60e586a32c7b6a231bPatch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.