PT-2025-38365 · Linux+6 · Linux Kernel+6

Published 2023-08-07 · Updated 2025-11-19 · CVE-2023-53386

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 (affected versions not specified)

Description A use-after-free issue exists in the Bluetooth component of the Linux kernel. This issue occurs when clearing keys, potentially allowing for memory corruption. The fix addresses a scenario where memory is accessed after being freed via kfree rcu().

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

Exploit

Use After Free

Weakness Enumeration

CWE-416

CWE-664

Related Identifiers

ALSA-2025:19102

ALSA-2025:19103

ALSA-2025_16880

ALSA-2025_18281

ALSA-2025_19102

ALSA-2025_19103

ALSA-2025_19409

BDU:2026-03330

CESA-2025_19102

CESA-2025_19103

CVE-2023-53386

INFSA-2025_19102

INFSA-2025_19103

OESA-2025-2349

RHSA-2025:19102

RHSA-2025:19103

RHSA-2025:21051

RHSA-2025:21091

RHSA-2025:21128

RHSA-2025:21136

RHSA-2025_19102

RHSA-2025_19103

SUSE-SU-2025:03600-1

SUSE-SU-2025:03615-1

SUSE-SU-2025:03628-1

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-2025:3716-1

SUSE-SU-2025:3751-1

SUSE-SU-2025:3761-1

SUSE-SU-2025:4057-1

SUSE-SU-2025:4132-1

SUSE-SU-2025:4141-1

Affected Products

Almalinux

Astra Linux

Centos

Linux Kernel

Red Hat

Rocky Linux

Suse

References · 2046

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53386.json · Exploit
• https://git.kernel.org/stable/c/94617b736c25091b60e514e2e7aeafcbbee6b700 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2023-53174 · Security Note
• https://linux.oracle.com/errata/ELSA-2025-19102.html · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:20851-1 · Vendor Advisory
• https://osv.dev/vulnerability/ALSA-2025:19103 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-39813 · Security Note
• https://osv.dev/vulnerability/CVE-2023-53386 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:4141-1 · Vendor Advisory
• https://git.kernel.org/stable/c/e87da6a0ac6e631454e7da53a76aa9fe44aaa5dd · Patch
• https://git.kernel.org/stable/c/942d8cefb022f384d5424f8b90c7878f3f93726f · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:20870-1 · Vendor Advisory
• https://errata.almalinux.org/8/ALSA-2025-19103.html · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:4057-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-53386 · Security Note