CVE-2023-54280

CVE-2023-54280

Critical · published December 30, 2025

CVSS v3.1
9.8
EPSS
1%
Percentile
43.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00515 · 43.0th percentile
Published
2025-12-30T18:16Z
References (3)
EPSS history
Timeline
  • 30 DEC 12:23Z
    cifs: fix potential race when tree connecting ipc
    cvelistv5