CVE-2023-53794

CVE-2023-53794

Critical · published December 9, 2025

CVSS v3.1
9.8
EPSS
1%
Percentile
42.7
In the wild
Unconfirmed
What it is

In the Linux kernel, the following vulnerability has been resolved:

cifs: fix session state check in reconnect to avoid use-after-free issue

Don't collect exiting session in smb2_reconnect_server(), because it

will be released soon.

Note that the exiting session will stay in server->smb_ses_list until

it complete the cifs_free_ipc() and logoff() and then delete itself

from the list.

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
0.00511 · 42.7th percentile
Published
2025-12-09T06:16Z
References (3)
EPSS history
Timeline
  • 09 DEC 00:00Z
    cifs: fix session state check in reconnect to avoid use-after-free issue
    cvelistv5