PT-2025-54078 · Linux · Linux Kernel

Published 2023-01-27 · Updated 2025-12-31 · CVE-2023-54249

Positive Technologies (AI Summary)

CVSS v2.0

5.5

Medium

Base vector

AV:A/AC:L/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 related to the Mobile High-speed Interface (MHI) controller. Specifically, the issue concerns the handling of STOP and RESET commands. The system incorrectly sends a channel disconnect status (-ENOTCONN) even when a client driver is unavailable, leading to a potential null pointer dereference.

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:2026-04201

CVE-2023-54249

Affected Products

Linux Kernel

References · 19

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/54xxx/CVE-2023-54249.json · Exploit
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-54249 · Vendor Advisory
• https://osv.dev/vulnerability/BELL-CVE-2023-54249 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-54249 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-54249 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2023-54249 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-54249 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-54249 · Security Note
• https://osv.dev/vulnerability/CVE-2023-54249 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-04201 · Security Note
• https://docs.bell-sw.com/security/cves/CVE-2023-54249 · Note
• https://kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.3 · Note
• https://twitter.com/CVEnew/status/2005993864004550657 · Twitter Post
• https://git.kernel.org/stable/c/e6cebcc27519dcf1652e604c73b9fd4f416987c0 · Note
• https://git.kernel.org/stable/c/353aea15d6edbd4e69e039356a1bd3e641f7d952 · Note