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VULNERABILITIES

CVE-2026-80860 Details

Description

In the Linux kernel, the following vulnerability has been resolved: fuse: fix race between interrupt and resend After commit f8fce75fedf7 ("fuse: clear intr_entry in fuse_resend and fuse_remove_pending_req") the WARN_ON(!list_empty(&req->intr_entry)) in fuse_request_free() still triggers due to the following race: In request_wait_answer() if (test_bit(FR_SENT, &req->flags)) -> returns true In fuse_chan_resend() clear_bit(FR_SENT, &req->flags) In request_wait_answer() queue_interrupt(req) Fix by: - move clearing FR_SENT inside fpq->lock - move setting FR_PENDING inside fiq->lock - recheck FR_SENT after acquiring fiq->lock in fuse_dev_queue_interrupt()

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://git.kernel.org/stable/c/0f930904452945f409eeeb0c9afa08bf27185cb1 kernel.org
https://git.kernel.org/stable/c/26fbe4bc3ef3ab0200407681cbef182af5d151de kernel.org
https://git.kernel.org/stable/c/67ddf061790e833d7e34f9dc901866c9fb25d72d kernel.org
https://git.kernel.org/stable/c/ed9c881f3b498383f73c42712b359419da42a7b0 kernel.org

Weakness Enumeration

No weakness enumeration is available for this CVE.

Affected Products

No affected product data is available for this CVE.

Change History

3 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-80860
NVD Published Date:
Sep 4, 2026
NVD Last Modified:
Sep 21, 2026
Source:
kernel.org
CVE-2026-80860 Details - Not Deferred