PT-2025-18877 · Linux+4 · Linux Kernel+4

Published 2023-11-07 · Updated 2026-02-02 · CVE-2023-53113

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 A NULL pointer dereference issue has been resolved in the Linux kernel. The issue occurred when the link was created by userspace but not activated yet, resulting in a chandef that is not valid and has no channel. This issue was fixed by adding a check to ignore such links.

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

Exploit

DoS

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

ALSA-2025_16880

CESA-2023_7077

CVE-2023-53113

RHSA-2023:6583

RHSA-2023:7077

RHSA-2023_6583

RHSA-2023_7077

Affected Products

Astra Linux

Centos

Linux Kernel

Red Hat

Red Os

References · 18

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53113.json · Exploit
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-53113 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-53113 · Vendor Advisory
• https://osv.dev/vulnerability/BELL-CVE-2023-53113 · Vendor Advisory
• https://git.kernel.org/stable/c/87e80ea4fbc9ce2f2005905fdbcd38baaa47463a · Patch
• https://security-tracker.debian.org/tracker/CVE-2023-53113 · Vendor Advisory
• https://git.kernel.org/stable/c/201a836c2385fdd2b9d0a8e7737bba5b26f1863a · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-53113 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-53113 · Security Note
• https://git.kernel.org/stable/c/f624bb6fad23df3270580b4fcef415c6e7bf7705 · Patch
• https://cve.org/CVERecord?id=CVE-2023-53113 · Security Note
• https://osv.dev/vulnerability/CVE-2023-53113 · Vendor Advisory
• https://lore.kernel.org/linux-cve-announce/2025050228-CVE-2023-53113-a3ff@gregkh/T · Note
• https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git · Note
• https://docs.bell-sw.com/security/cves/CVE-2023-53113 · Note