CVE-2023-53399

MEDIUM EPSS 3.3%
Published Sep 18, 20259mo ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Sep 18, 2025 9mo ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix NULL pointer dereference in smb2_get_info_filesystem() If share is , share->path is NULL and it cause NULL pointer dereference issue.

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
3.3% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-476 NULL Pointer Dereference Memory Safety

Affected Products 4

VendorProductVersionRange
linuxlinux_kernel*≥5.15  –  <5.15.111
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/1636e09779f83e10e6ed57d91ef94abcefdd206b
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/227eb2689b44d0d60da3839b146983e73435924c
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/3ac00a2ab69b34189942afa9e862d5170cdcb018
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/a70751dd7b60eab025e97e19b6b2477c6eaf2bbb
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/b35f6c031b87d9e51f141ff6de0ea59756a8e313
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/1636e09779f83e10e6ed57d91ef94abcefdd206b
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/227eb2689b44d0d60da3839b146983e73435924c
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/3ac00a2ab69b34189942afa9e862d5170cdcb018
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/a70751dd7b60eab025e97e19b6b2477c6eaf2bbb
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/b35f6c031b87d9e51f141ff6de0ea59756a8e313
    Patch