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CVE-2023-53368

4.7 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix race issue between cpu buffer write and swap Warning happened in rb_end_commit() at code: if (RB_WARN_ON(cpu_buff…

Published Sep 17, 2025CWE-362EPSS 0.14%

Overview

CVE-2023-53368 is a medium-severity vulnerability. It was published on September 17, 2025 and has a CVSS 3.1 base score of 4.7 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.7, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

In the Linux kernel, the following vulnerability has been resolved:

tracing: Fix race issue between cpu buffer write and swap

Warning happened in rb_end_commit() at code:

if (RB_WARN_ON(cpu_buffer, !local_read(&cpu_buffer->committing)))

WARNING: CPU: 0 PID: 139 at kernel/trace/ring_buffer.c:3142

rb_commit+0x402/0x4a0

Call Trace:

ring_buffer_unlock_commit+0x42/0x250

trace_buffer_unlock_commit_regs+0x3b/0x250

trace_event_buffer_commit+0xe5/0x440

trace_event_buffer_reserve+0x11c/0x150

trace_event_raw_event_sched_switch+0x23c/0x2c0

__traceiter_sched_switch+0x59/0x80

__schedule+0x72b/0x1580

schedule+0x92/0x120

worker_thread+0xa0/0x6f0

It is because the race between writing event into cpu buffer and swapping

cpu buffer through file per_cpu/cpu0/snapshot:

Write on CPU 0 Swap buffer by per_cpu/cpu0/snapshot on CPU 1

-------- --------

tracing_snapshot_write()

[...]

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/3163f635b20e9e1fb4659e74f47918c9dddfe64eRefgit.kernel.org/stable/c/37ca1b686078b00cc4ffa008e2190615f7709b5dRefgit.kernel.org/stable/c/6182318ac04648b46db9d441fd7d696337fcdd0bRefgit.kernel.org/stable/c/74c85396bd73eca80b96510b4edf93b9a3aff75fRefgit.kernel.org/stable/c/89c89da92a60028013f9539be0dcce7e44405a43Refgit.kernel.org/stable/c/90e037cabc2c2dfc39b3dd9c5b22ea91f995539aRefgit.kernel.org/stable/c/c5d30d6aa83d99fba8dfdd9cf6c4e4e7a63244db

How CyberStrike helps

Frequently asked questions

What is CVE-2023-53368?

CVE-2023-53368 is a medium-severity vulnerability. It was published on September 17, 2025 and has a CVSS 3.1 base score of 4.7 (MEDIUM).

How severe is CVE-2023-53368?

This vulnerability has a CVSS 3.1 base score of 4.7, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2023-53368?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2023-53368?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-53368 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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