CVE-2024-50283
CRITICAL severity · CVSS 9.8 · Use-after-free
9.8CVSS CRITICAL
Summary
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix slab-use-after-free in smb3_preauth_hash_rsp ksmbd_user_session_put should be called under smb3_preauth_hash_rsp(). It will avoid freeing session before calling smb3_preauth_hash_rsp().
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/1b6ad475d4ed577d34e0157eb507be00c588bf5c ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/1b6ad475d4ed577d34e0157eb507be00c588bf5cPatch
- https://git.kernel.org/stable/c/b8fc56fbca7482c1e5c0e3351c6ae78982e25adaPatch
- https://git.kernel.org/stable/c/c6cdc08c25a868a08068dfc319fa9fce982b8e7fPatch
- https://git.kernel.org/stable/c/f7557bbca40d4ca8bb1c6c940ac6c95078bd0827Patch
- https://git.kernel.org/stable/c/cb645064e0811053c94e86677f2e58ed29359d62
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html