CVE-2023-54280

critical · 9.8

In the Linux kernel, the following vulnerability has been resolved: cifs: fix potential race when tree connecting ipc Protect access of TCP_Server_Info::hostname when building the ipc tree name as it might get freed in cifsd thread and thus causing an use-after-free bug in __tree_connect_dfs_target(). Also, while at it, update status of IPC tcon on success and then avoid any extra tree connects.

9.8

CVSS

0.5%

EPSS (exploit prob.)

42nd

EPSS percentile

2025-12-30

Published

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

https://git.kernel.org/stable/c/536ec71ba060a02fabe8e22cecb82fe7b3a8708b
https://git.kernel.org/stable/c/553476df55a111e6a66ad9155256aec0ec1b7ad0
https://git.kernel.org/stable/c/ee20d7c6100752eaf2409d783f4f1449c29ea33d

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2023-54280