CVE-2023-53358

HIGH EPSS 6.0%
Published Sep 17, 20259mo ago · Modified Jun 17, 20261w ago
7.0 CVSS 3.1
High
Find Similar
Published Sep 17, 2025 9mo ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix racy issue under cocurrent smb2 tree disconnect There is UAF issue under cocurrent smb2 tree disconnect. This patch introduce TREE_CONN_EXPIRE flags for tcon to avoid cocurrent access.

CVSS Details

Base Score
7.0
Exploitability
1.0
Impact
5.9
Vector string
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity High
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
6.0% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-416 Use After Free Memory Safety

Affected Products 4

VendorProductVersionRange
linuxlinux_kernel*≥5.15  –  <5.15.145
linuxlinux_kernel*≥5.16  –  <6.1.28
linuxlinux_kernel*≥6.2  –  <6.2.15
linuxlinux_kernel*≥6.3  –  <6.3.2

References 5

  • git.kernel.org https://git.kernel.org/stable/c/30210947a343b6b3ca13adc9bfc88e1543e16dd5
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/39366b47a59d46af15ac57beb0996268bf911f6a
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/b36295c17fb97424406f0c3ab321b1ccaabb9be8
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/bd80d35725a0cf4df9307bfe2f1a3b2cb983d8e6
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/dc1c17716c099c90948ebb83e2170dd75a3be6b6
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/30210947a343b6b3ca13adc9bfc88e1543e16dd5
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/39366b47a59d46af15ac57beb0996268bf911f6a
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/b36295c17fb97424406f0c3ab321b1ccaabb9be8
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/bd80d35725a0cf4df9307bfe2f1a3b2cb983d8e6
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/dc1c17716c099c90948ebb83e2170dd75a3be6b6
    Patch