CVE-2023-53990

CVE-2023-53990

High · published December 24, 2025

CVSS v3.1
7.8
EPSS
0%
Percentile
4.2
In the wild
Unconfirmed
What it is

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

SMB3: Add missing locks to protect deferred close file list

cifs_del_deferred_close function has a critical section which modifies

the deferred close file list. We must acquire deferred_lock before

calling cifs_del_deferred_close function.

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00155 · 4.2th percentile
Published
2025-12-24T16:15Z
References (5)
https://git.kernel.org/stable/c/0f87e18203bd30f71eb1a65259e28e291b6cc43a · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/32a046ccaeea6c19965c04a4c521e703f6607924 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3aa9d065b0685b4e6052f3f2a2462966fdc44fd2 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ab9ddc87a9055c4bebd6524d5d761d605d52e557 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/cb36365dac25d546ca4af0eb22acb43c9b4ddfdf · 416baaa9-dc9f-4396-8d5f-8c081fb06d67
EPSS history
Timeline
  • 24 DEC 10:55Z
    SMB3: Add missing locks to protect deferred close file list
    cvelistv5