CVE-2023-53751

CVE-2023-53751

Critical · published December 8, 2025

CVSS v3.1
9.8
EPSS
0%
Percentile
34.7
In the wild
Unconfirmed
What it is

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

cifs: fix potential use-after-free bugs in TCP_Server_Info::hostname

TCP_Server_Info::hostname may be updated once or many times during

reconnect, so protect its access outside reconnect path as well and

then prevent any potential use-after-free bugs.

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
0.00415 · 34.7th percentile
Published
2025-12-08T07:15Z
References (4)
https://git.kernel.org/stable/c/0b08c4c499200be67d54c439d56e5ea866869945 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/64d62ac6d6514cba1305bd08e271ec1843bdd612 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/90c49fce1c43e1cc152695e20363ff5087897c09 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c511954bf142fe1995aec3c739a9f1a76990283a · 416baaa9-dc9f-4396-8d5f-8c081fb06d67
EPSS history
Timeline
  • 08 DEC 01:19Z
    cifs: fix potential use-after-free bugs in TCP_Server_Info::hostname
    cvelistv5