Go to homepageCyberStrike

Menu

Star on GitHub · 3.2k
Sign inDownload

CVE-2025-71107

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: f2fs: ensure node page reads complete before f2fs_put_super() finishes Xfstests generic/335, generic/336 sometimes crash with t…

Published Jan 14, 2026CWE-476EPSS 0.19%

Overview

CVE-2025-71107 is a medium-severity vulnerability. It was published on January 14, 2026 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:

f2fs: ensure node page reads complete before f2fs_put_super() finishes

Xfstests generic/335, generic/336 sometimes crash with the following message:

F2FS-fs (dm-0): detect filesystem reference count leak during umount, type: 9, count: 1

------------[ cut here ]------------

kernel BUG at fs/f2fs/super.c:1939!

Oops: invalid opcode: 0000 [#1] SMP NOPTI

CPU: 1 UID: 0 PID: 609351 Comm: umount Tainted: G W 6.17.0-rc5-xfstests-g9dd1835ecda5 #1 PREEMPT(none)

Tainted: [W]=WARN

Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014

RIP: 0010:f2fs_put_super+0x3b3/0x3c0

Call Trace:

<TASK>

generic_shutdown_super+0x7e/0x190

kill_block_super+0x1a/0x40

kill_f2fs_super+0x9d/0x190

deactivate_locked_super+0x30/0xb0

cleanup_mnt+0xba/0x150

task_work_run+0x5c/0xa0

exit_to_user_mode_loop+0xb7/0xc0

do_syscall_64+0x1ae/0x1c0

entry_SYSCALL_64_after_hwframe+0x76/0x7e

</TASK>

---[

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/0b36fae23621a09e772c8adf918b9011158f8511Refgit.kernel.org/stable/c/297baa4aa263ff8f5b3d246ee16a660d76aa82c4Refgit.kernel.org/stable/c/3b15d5f12935e9e25f9a571e680716bc9ee61025Refgit.kernel.org/stable/c/c3031cf2b61f1508662fc95ef9ad505cb0882a5f

How CyberStrike helps

Frequently asked questions

What is CVE-2025-71107?

CVE-2025-71107 is a medium-severity vulnerability. It was published on January 14, 2026 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2025-71107?

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-2025-71107?

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-2025-71107?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-71107 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.

Related MEDIUM CVEs from 2025

View all
Browse by year2026202520242023202220212020201920182017201620152014201320122011201020092008200720062005200420032002200120001999