CVE-2026-64261
CVE-2026-64261: 1 tracked advisory record across Red Hat. Compare source-reported impact, fixes and remediation.
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Red Hat
1 advisory- Advisory severityUnrated
Advisory [CVE-2026-64261] Avoid use-after-free in fuse_uring_async_stop_queues
CVE-2026-64261Source published Source updated
In the Linux kernel, the following vulnerability has been resolved: fuse-uring: Avoid use-after-free in fuse_uring_async_stop_queues fuse_uring_async_stop_queues() might run when the last reference on ring->queue_refs was already dropped. In order to avoid an early destruction a reference on struct fuse_conn is now taken before starting fuse_uring_async_stop_queues() and that reference is only released when that delayed work queue terminates. This use-after-free vulnerability allows a local attacker to potentially achieve privilege escalation. The issue arises when the `fuse_uring_async_stop_queues()` function attempts to access memory that has already been freed, leading to unpredictable system behavior or unauthorized access. This flaw is mitigated by ensuring that a proper reference…
- Affected products in this advisory
- No product details extracted. Check the source bulletin.
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- No fixed-version detail extracted. This does not mean no fix exists.
- Mitigation guidance
- No mitigation guidance extracted; consult the source.
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