PT-2025-18808 · Linux+5 · Linux Kernel+5

Published 2023-03-16 · Updated 2026-01-28 · CVE-2023-53044

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 issue in the Linux kernel has been resolved, related to the dm stats init() function. The problem occurs when alloc percpu() fails, causing a NULL pointer dereference in dm stats cleanup(), even if dm-stats is not being actively used. This issue is addressed by checking the return value of alloc percpu() and propagating the error.

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

BDU:2025-05365

CESA-2023_7077

CVE-2023-53044

RHSA-2023:6583

RHSA-2023:7077

RHSA-2023_6583

RHSA-2023_7077

SUSE-SU-2025:01918-1

SUSE-SU-2025:01966-1

SUSE-SU-2025:01983-1

SUSE-SU-2025:02173-1

SUSE-SU-2025:02262-1

SUSE-SU-2025:2173-1

SUSE-SU-2025_01983-1

SUSE-SU-2025_02173-1

SUSE-SU-2025_02262-1

Affected Products

Astra Linux

Centos

Linux Kernel

Red Hat

Red Os

Suse

References · 662

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53044.json · Exploit
• https://git.kernel.org/stable/c/4a32a9a818a895671bd43e0c40351e60e4e9140b · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-53044 · Vendor Advisory
• https://git.kernel.org/stable/c/2287d7b721471a3d58bcd829250336e3cdf1635e · Patch
• https://git.kernel.org/stable/c/0d96bd507ed7e7d565b6d53ebd3874686f123b2e · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:01966-1 · Vendor Advisory
• https://git.kernel.org/stable/c/c68f08cc745675a17894e1b4a5b5b9700ace6da4 · Patch
• https://git.kernel.org/stable/c/a42180dd361584816bfe15c137b665699b994d90 · Patch
• https://osv.dev/vulnerability/BELL-CVE-2023-53044 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-53044 · Vendor Advisory
• https://git.kernel.org/stable/c/d3aa3e060c4a80827eb801fc448debc9daa7c46b · Patch
• https://git.kernel.org/stable/c/443c9d522397511a4328dc2ec3c9c63c73049756 · Patch
• https://bdu.fstec.ru/vul/2025-05365 · Security Note
• https://ubuntu.com/security/CVE-2023-53044 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2023-53044 · Vendor Advisory