PT-2025-37657 · Linux+2 · Linux Kernel+2

Published 2025-09-15 · Updated 2025-10-23 · CVE-2023-53216

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.2.0-rc3-rt1

Description A flaw exists in the Linux kernel related to the EFI runtime services. Specifically, the efi rt lock spinlock could lead to preemption issues when called from within EFI runtime services, potentially causing a kernel BUG. This issue arises because EFI calls require preemption to be disabled to maintain proper context and register state.

Recommendations Update to Linux kernel version 6.2.0-rc3-rt1 or later.

Exploit

Fix

Stack Overflow

Weakness Enumeration

CWE-121

Related Identifiers

BDU:2026-05873

CVE-2023-53216

SUSE-SU-2025:03615-1

SUSE-SU-2025:03628-1

SUSE-SU-2025:3716-1

SUSE-SU-2025:3761-1

Affected Products

Astra Linux

Linux Kernel

Suse

References · 863

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53216.json · Exploit
• https://cve.org/CVERecord?id=CVE-2023-53216 · Security Note
• https://osv.dev/vulnerability/CVE-2023-53216 · Vendor Advisory
• https://git.kernel.org/stable/c/8b38969fa01662ec539a0d08a8ea5ec6f31fa4ed · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:3761-1 · Vendor Advisory
• https://git.kernel.org/stable/c/4e8f7d998b582a99aadedd07ae6086e99b89c97a · Patch
• https://git.kernel.org/stable/c/6a72729ed6accc86dad5522895e8fa2f96642a2c · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:03628-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:3716-1 · Vendor Advisory
• https://git.kernel.org/stable/c/0e68b5517d3767562889f1d83fdb828c26adb24f · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2023-53216 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2025:03615-1 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-05873 · Security Note
• https://ubuntu.com/security/CVE-2023-53216 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-53216 · Vendor Advisory