PT-2025-54021 · Linux · Linux Kernel

Published 2023-04-04 · Updated 2026-01-07 · CVE-2023-54192

Positive Technologies (AI Summary)

CVSS v2.0

4.3

Medium

Base vector

AV:A/AC:H/Au:S/C:N/I:N/A:C

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

Description A flaw exists in the Linux kernel’s f2fs implementation within the replace atomic write block function. A kernel panic can occur if the old addr variable is NULL, leading to a null pointer dereference. This issue is related to a tracepoint within the function.

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

BDU:2026-01299

CVE-2023-54192

Affected Products

Linux Kernel

References · 21

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/54xxx/CVE-2023-54192.json · Exploit
• https://osv.dev/vulnerability/CVE-2023-54192 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2023-54192 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-54192 · Vendor Advisory
• https://osv.dev/vulnerability/BELL-CVE-2023-54192 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-54192 · Security Note
• https://ubuntu.com/security/CVE-2023-54192 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-01299 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-54192 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-54192 · Vendor Advisory
• https://git.kernel.org/stable/c/424f8cdc0ad29e4940be96dcc0b935ba497adeda · Note
• https://kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.3 · Note
• https://docs.bell-sw.com/security/cves/CVE-2023-54192 · Note
• https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git · Note
• https://kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.29 · Note