PT-2025-38037 · Linux+2 · Linux Kernel+2

Published 2025-09-16 · Updated 2025-11-19 · CVE-2023-53319

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.4.0 #237

Description A synchronization issue existed between finalize pkvm() and kvm arm init() initcalls in the Linux kernel. Specifically, finalize pkvm() would proceed even if kvm arm init() failed, leading to a warning on all CPUs and potentially a HYP panic. This could result in a kernel panic and system instability.

Recommendations Update to Linux kernel version 6.4.0 #237 or later to resolve this issue.

Exploit

Fix

Improper Resource Release

Weakness Enumeration

CWE-404

Related Identifiers

BDU:2026-06032

CVE-2023-53319

RHSA-2023:6583

SUSE-SU-2025:03600-1

SUSE-SU-2025:03634-1

SUSE-SU-2025:20851-1

SUSE-SU-2025:20861-1

SUSE-SU-2025:20870-1

SUSE-SU-2025:20898-1

SUSE-SU-2025:3751-1

SUSE-SU-2025:4057-1

SUSE-SU-2025:4132-1

SUSE-SU-2025:4141-1

Affected Products

Astra Linux

Linux Kernel

Suse

References · 1406

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53319.json · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2023-53319 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2023-53319 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-53319 · Vendor Advisory
• https://git.kernel.org/stable/c/91450dec0445f4d12f960ba68d8d05c3cb2ab5b8 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:3751-1 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-06032 · Security Note
• https://git.kernel.org/stable/c/fa729bc7c9c8c17a2481358c841ef8ca920485d3 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:20870-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:03634-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-53319 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:4057-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:20851-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:4141-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:20898-1 · Vendor Advisory