PT-2025-53047 · Linux · Linux Kernel

Published 2023-07-15 · Updated 2026-03-24 · CVE-2023-54049

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’s rpmsg component related to glink handling. Specifically, a missing check for the return value of the kstrdup() function could lead to a NULL pointer dereference if memory allocation fails. This issue is addressed by adding a check for the return value of kstrdup() and returning an error if allocation fails.

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:2026-04186

CVE-2023-54049

SUSE-SU-2026:0263-1

SUSE-SU-2026:0278-1

SUSE-SU-2026:0281-1

SUSE-SU-2026:0293-1

SUSE-SU-2026:0315-1

SUSE-SU-2026:0317-1

SUSE-SU-2026:0411-1

SUSE-SU-2026:0617-1

SUSE-SU-2026:20477-1

SUSE-SU-2026:20498-1

SUSE-SU-2026:20845-1

SUSE-SU-2026:20876-1

Affected Products

Linux Kernel

References · 2192

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/54xxx/CVE-2023-54049.json · Exploit
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-54049 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2023-54049 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-04186 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2026:20845-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:0281-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:20876-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:0617-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-54049 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2026:0411-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:0293-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:20498-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-54049 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:20477-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-54049 · Vendor Advisory