CVE-2023-53399 — NULL Pointer Dereference in Linux

CWE-476 — NULL Pointer Dereference5 documents5 sources
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 95.84%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
LinuxLinux KernelDebian Linux
Timeline
PublishedSep 18

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 vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages4 packages

▶NVDlinux/linux_kernel5.15 — 5.15.111+3
▶Debianlinux/linux_kernel< 6.1.37-1+2
▶CVEListV5linux/linux0626e6641f6b467447c81dd7678a69c66f7746cf — 227eb2689b44d0d60da3839b146983e73435924c+5
▶debiandebian/linux< linux 6.1.37-1 (bookworm)

Patches

Patch: git.kernel.org ↗Patch: git.kernel.org ↗Patch: git.kernel.org ↗

🔴Vulnerability Details

2
GHSA
GHSA-j9f9-83jq-xj75: In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix NULL pointer dereference in smb2_get_info_filesystem() If share is ,↗2025-09-18
▶
OSV
CVE-2023-53399: In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix NULL pointer dereference in smb2_get_info_filesystem() If share is , sh↗2025-09-18
▶

📋Vendor Advisories

2
Red Hat
kernel: ksmbd: fix NULL pointer dereference in smb2_get_info_filesystem()↗2025-09-18
▶
Debian
CVE-2023-53399: linux - In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix ...↗2023
▶
CVE-2023-53399 — NULL Pointer Dereference in Linux | cvebase