Threats Tagged 'ubuntu-cve-2026-64261'
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Threats Tagged 'ubuntu-cve-2026-64261'
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A use-after-free vulnerability in the Linux kernel's fuse-uring subsystem (CVE-2026-64261) has been resolved. The issue involved fuse_uring_async_stop_queues() potentially running after the last reference on ring->queue_refs was dropped, risking early destruction of resources. The fix involves taking a reference on struct fuse_conn before starting the asynchronous stop queues and releasing it only after the delayed work queue terminates. This vulnerability affects multiple Linux kernel versions prior to 7.0.0-31.31 and related builds. The vulnerability has a CVSS score of 7.8, indicating high impact on confidentiality, integrity, and availability. A patch is available and should be applied through standard system updates, which require a reboot and recompilation of third-party kernel modules due to an ABI change. Join the discussion | GCVE Database | 07/25/2026, 10:17:00 UTC Added: 07/25/2026, 23:09:03 UTC |
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