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CVE-2026-64260

7.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: fuse-uring: Avoid queue->stopped races and set/read that value under lock There are several readers of queue->stopped that chec…

Published Jul 25, 2026CWE-362EPSS 0.13%

Overview

CVE-2026-64260 is a high-severity vulnerability. It was published on July 25, 2026 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. 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:

fuse-uring: Avoid queue->stopped races and set/read that value under lock

There are several readers of queue->stopped that check the value

under lock, but fuse_uring_commit_fetch() did not and actually

the value was not set under the lock in fuse_uring_abort_end_requests()

either. Especially in fuse_uring_commit_fetch it is important

to check under a lock, because due to races 'struct fuse_req'

might be freed with fuse_request_end, but another thread/cpu

might already do teardown work.

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/39c8e925b207afceffaa5382416ed405e0223a03Refgit.kernel.org/stable/c/4021a3a79eee551d95fe1e1e7c1b195d34ba8c08Refgit.kernel.org/stable/c/b70a3aca16934c196f92abb17b01c1647b9bb63c

How CyberStrike helps

Frequently asked questions

What is CVE-2026-64260?

CVE-2026-64260 is a high-severity vulnerability. It was published on July 25, 2026 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2026-64260?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-64260?

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-2026-64260?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-64260 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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