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CVE-2026-80860 Affecting perf6.18-debuginfo package, versions <1:6.18.51-120.162.amzn2023

Severity

 Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.16% (5th percentile)

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  • Snyk IDSNYK-AMZN2023-PERF618DEBUGINFO-20850964
  • published13 Oct 2026
  • disclosed4 Sept 2026
Report a new vulnerability Found a mistake?

Introduced: 4 Sep 2026

CVE-2026-80860  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 perf6.18-debuginfo to version 1:6.18.51-120.162.amzn2023 or higher.
This issue was patched in ALAS2023-2026-3187.

NVD Description

Note: Versions mentioned in the description apply only to the upstream perf6.18-debuginfo package and not the perf6.18-debuginfo package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2023 relevant fixed versions and status.

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()