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CVE-2025-39914

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: tracing: Silence warning when chunk allocation fails in trace_pid_write Syzkaller trigger a fault injection warning: WARNING:…

Published Oct 1, 2025CWE-415EPSS 0.17%

Overview

CVE-2025-39914 is a medium-severity vulnerability. It was published on October 1, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, 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: Silence warning when chunk allocation fails in trace_pid_write

Syzkaller trigger a fault injection warning:

WARNING: CPU: 1 PID: 12326 at tracepoint_add_func+0xbfc/0xeb0

Modules linked in:

CPU: 1 UID: 0 PID: 12326 Comm: syz.6.10325 Tainted: G U 6.14.0-rc5-syzkaller #0

Tainted: [U]=USER

Hardware name: Google Compute Engine/Google Compute Engine

RIP: 0010:tracepoint_add_func+0xbfc/0xeb0 kernel/tracepoint.c:294

Code: 09 fe ff 90 0f 0b 90 0f b6 74 24 43 31 ff 41 bc ea ff ff ff

RSP: 0018:ffffc9000414fb48 EFLAGS: 00010283

RAX: 00000000000012a1 RBX: ffffffff8e240ae0 RCX: ffffc90014b78000

RDX: 0000000000080000 RSI: ffffffff81bbd78b RDI: 0000000000000001

RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000

R10: 0000000000000001 R11: 0000000000000001 R12: ffffffffffffffef

R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff81c264f0

FS: 00007f27217f66c0(0000) GS:ffff8880b8700000(0000) knlGS:00000000

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/1262bda871dace8c6efae25f3b6a2d34f6f06d54Refgit.kernel.org/stable/c/7583a73c53f1d1ae7a39b130eb7190a11f0a902fRefgit.kernel.org/stable/c/793338906ff57d8c683f44fe48ca99d49c8782a7Refgit.kernel.org/stable/c/88525accf16947ab459f8e91c27c8c53e1d612d7Refgit.kernel.org/stable/c/cd4453c5e983cf1fd5757e9acb915adb1e4602b6Reflists.debian.org/debian-lts-announce/2025/10/msg00008.html

How CyberStrike helps

Frequently asked questions

What is CVE-2025-39914?

CVE-2025-39914 is a medium-severity vulnerability. It was published on October 1, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2025-39914?

This vulnerability has a CVSS 3.1 base score of 5.5, 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-2025-39914?

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-2025-39914?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-39914 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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