by Kastro
Paper/Archive/CVE-2024-50283

CVE-2024-50283

Linux Linux — ksmbd: fix slab-use-after-free in smb3_preauth_hash_rsp

EPSS 0.6%CVSS 9.8
critical.is priorityof 100
39
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 50.0.500 × 2010.0No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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().

Affected

ProductAffectedFixed inSource
Linux0626e6641f6b467447c81dd7678a69c66f7746cf – < cb645064e0811053c94e86677f2e58ed29359d62cb645064e0811053c94e86677f2e58ed29359d62CNA
Linux0626e6641f6b467447c81dd7678a69c66f7746cf – < f7557bbca40d4ca8bb1c6c940ac6c95078bd0827f7557bbca40d4ca8bb1c6c940ac6c95078bd0827CNA
Linux0626e6641f6b467447c81dd7678a69c66f7746cf – < c6cdc08c25a868a08068dfc319fa9fce982b8e7fc6cdc08c25a868a08068dfc319fa9fce982b8e7fCNA
Linux0626e6641f6b467447c81dd7678a69c66f7746cf – < 1b6ad475d4ed577d34e0157eb507be00c588bf5c1b6ad475d4ed577d34e0157eb507be00c588bf5cCNA
Linux0626e6641f6b467447c81dd7678a69c66f7746cf – < b8fc56fbca7482c1e5c0e3351c6ae78982e25adab8fc56fbca7482c1e5c0e3351c6ae78982e25adaCNA
Linux5.155.15.174CNA

Scores by source

Linux (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADP7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

refgit.kernel.org/stable/c/cb645064e0811053c94e86677f2e58ed29359d62refgit.kernel.org/stable/c/f7557bbca40d4ca8bb1c6c940ac6c95078bd0827refgit.kernel.org/stable/c/c6cdc08c25a868a08068dfc319fa9fce982b8e7frefgit.kernel.org/stable/c/1b6ad475d4ed577d34e0157eb507be00c588bf5crefgit.kernel.org/stable/c/b8fc56fbca7482c1e5c0e3351c6ae78982e25adareflists.debian.org/debian-lts-announce/2025/01/msg00001.html