PT-2025-18881 · Linux+3 · Linux Kernel+3

Published 2023-03-09 · Updated 2025-09-29 · CVE-2023-53117

Positive Technologies (AI Summary)

CVSS v3.1

7.1

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description The issue is related to preventing out-of-bounds array speculation when closing a file descriptor in the Linux kernel.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Out of bounds Read

Weakness Enumeration

CWE-125

CWE-769

Related Identifiers

ALSA-2025_12746

ALSA-2025_12752

ALSA-2025_12753

ALSA-2025_16880

BDU:2026-02260

CVE-2023-53117

RHSA-2025:6966

RHSA-2025_6966

SUSE-SU-2025:02844-1

SUSE-SU-2025:02844-2

SUSE-SU-2025:02846-1

SUSE-SU-2025:02849-1

SUSE-SU-2025:02851-1

SUSE-SU-2025:03283-1

SUSE-SU-2025:03310-1

SUSE-SU-2025:03344-1

SUSE-SU-2025:03384-1

SUSE-SU-2025_02844-1

SUSE-SU-2025_02844-2

SUSE-SU-2025_02846-1

SUSE-SU-2025_02849-1

SUSE-SU-2025_03310-1

SUSE-SU-2025_03344-1

Affected Products

Astra Linux

Linux Kernel

Red Hat

Suse

References · 300

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53117.json · Exploit
• https://git.kernel.org/stable/c/3d5d9501b634fd268eb56428cda92cd317752d69 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2023-53117 · Security Note
• https://bdu.fstec.ru/vul/2026-02260 · Security Note
• https://osv.dev/vulnerability/CVE-2023-53117 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:02844-2 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:03384-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:02849-1 · Vendor Advisory
• https://git.kernel.org/stable/c/f31cd5da636682caea424fa1c22679016cbfc16b · Patch
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-53117 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:03310-1 · Vendor Advisory
• https://git.kernel.org/stable/c/609d54441493c99f21c1823dfd66fa7f4c512ff4 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:02851-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2023-53117 · Vendor Advisory
• https://git.kernel.org/stable/c/f8cd8754a03a3748384ee438c572423643c9c315 · Patch