PT-2025-38378 · Linux+2 · Linux Kernel+2

Published 2025-09-18 · Updated 2025-09-19 · CVE-2023-53399

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description The Linux kernel contains a flaw within the ksmbd component. A NULL pointer dereference issue exists in the smb2 get info filesystem() function when the share is empty, leading to a share->path being NULL.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2023-53399

Affected Products

Astra Linux

Debian

Linux Kernel

References · 19

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53399.json · Exploit
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-53399 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-53399 · Security Note
• https://ubuntu.com/security/CVE-2023-53399 · Vendor Advisory
• https://git.kernel.org/stable/c/3ac00a2ab69b34189942afa9e862d5170cdcb018 · Patch
• https://git.kernel.org/stable/c/1636e09779f83e10e6ed57d91ef94abcefdd206b · Patch
• https://osv.dev/vulnerability/BELL-CVE-2023-53399 · Vendor Advisory
• https://git.kernel.org/stable/c/a70751dd7b60eab025e97e19b6b2477c6eaf2bbb · Patch
• https://security-tracker.debian.org/tracker/CVE-2023-53399 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-53399 · Vendor Advisory
• https://git.kernel.org/stable/c/b35f6c031b87d9e51f141ff6de0ea59756a8e313 · Patch
• https://cve.org/CVERecord?id=CVE-2023-53399 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-53399 · Vendor Advisory
• https://git.kernel.org/stable/c/227eb2689b44d0d60da3839b146983e73435924c · Patch
• https://twitter.com/VulmonFeeds/status/1968733775300280795 · Twitter Post