PT-2025-40689 · Linux+4 · Linux Kernel+4

Published 2023-04-11 · Updated 2026-04-20 · CVE-2023-53547

Positive Technologies (AI Summary)

CVSS v2.0

6.0

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 4.2.2

Description A general protection fault may occur due to an error in the sdma v4 software finalization process. This issue affects the amdgpu driver and can lead to system instability. The fix addresses an error related to freeing firmware private data.

Recommendations Update to a newer version of the Linux kernel that contains a fix for this vulnerability.

Exploit

Fix

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

ALSA-2025_16880

BDU:2026-04412

CVE-2023-53547

RHSA-2024:2394

RHSA-2024_2394

SUSE-SU-2025:4149-1

SUSE-SU-2025:4320-1

Affected Products

Debian

Linux Kernel

Red Hat

Suse

Amd Npu Driver

References · 443

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53547.json · Exploit
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-53547 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:4149-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-53547 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-53547 · Security Note
• https://git.kernel.org/stable/c/0ebc02d9ff85626a526353584526da6aa9c96792 · Patch
• https://git.kernel.org/stable/c/210ef6cd8e634f18fd889421012192b81325b27b · Patch
• https://security-tracker.debian.org/tracker/CVE-2023-53547 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-DEBIAN-11-CVE-2023-53547 · Vendor Advisory
• https://osv.dev/vulnerability/BELL-CVE-2023-53547 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-53547 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-53547 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-UBUNTU-2204-CVE-2023-53547 · Vendor Advisory
• https://git.kernel.org/stable/c/5e08e9c742a00384e5abe74bd40cf4dc15cb3a2e · Patch
• https://bdu.fstec.ru/vul/2026-04412 · Security Note