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CVE-2025-38260

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: btrfs: handle csum tree error with rescue=ibadroots correctly [BUG] There is syzbot based reproducer that can crash the kernel,…

Published Jul 9, 2025CWE-476EPSS 0.17%

Overview

CVE-2025-38260 is a medium-severity vulnerability. It was published on July 9, 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:

btrfs: handle csum tree error with rescue=ibadroots correctly

[BUG]

There is syzbot based reproducer that can crash the kernel, with the

following call trace: (With some debug output added)

DEBUG: rescue=ibadroots parsed

BTRFS: device fsid 14d642db-7b15-43e4-81e6-4b8fac6a25f8 devid 1 transid 8 /dev/loop0 (7:0) scanned by repro (1010)

BTRFS info (device loop0): first mount of filesystem 14d642db-7b15-43e4-81e6-4b8fac6a25f8

BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm

BTRFS info (device loop0): using free-space-tree

BTRFS warning (device loop0): checksum verify failed on logical 5312512 mirror 1 wanted 0xb043382657aede36608fd3386d6b001692ff406164733d94e2d9a180412c6003 found 0x810ceb2bacb7f0f9eb2bf3b2b15c02af867cb35ad450898169f3b1f0bd818651 level 0

DEBUG: read tree root path failed for tree csum, ret=-5

BTRFS warning (device loop0): checksum verify failed on logical 5328896

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/3f5c4a996f8f4fecd24a3eb344a307c50af895c2Refgit.kernel.org/stable/c/547e836661554dcfa15c212a3821664e85b4191aRefgit.kernel.org/stable/c/bbe9231fe611a54a447962494472f604419bad59Refgit.kernel.org/stable/c/f8ce11903211542a61f05c02caedd2edfb4256b8Refgit.kernel.org/stable/c/fc97a116dc4929905538bc0bd3af7faa51192957Reflists.debian.org/debian-lts-announce/2025/10/msg00008.html

How CyberStrike helps

Frequently asked questions

What is CVE-2025-38260?

CVE-2025-38260 is a medium-severity vulnerability. It was published on July 9, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2025-38260?

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-2025-38260?

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-2025-38260?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-38260 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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