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CVE-2023-53581 is a race condition in the Linux kernel mlx5e networking driver’s traffic-control flow deletion handling. The driver checked a flow’s NOT_READY state before acquiring the mutex protecting the unready-flow list. A concurrent workqueue task could remove the same flow after the unchecked state inspection, allowing a subsequent deletion path to remove it again. The resulting list corruption can trigger a general protection fault during mlx5e flow deletion. The fix performs the NOT_READY-state check within the mutex-protected critical section.
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A Linux kernel net/mlx5e vulnerability related to improper handling of the NOT_READY flag state after locking.
A Linux kernel net/mlx5e vulnerability related to NOT_READY flag state handling after locking.
A Linux kernel net/mlx5e flaw involving NOT_READY flag state handling after locking.
A Linux kernel mlx5e network-driver flaw involving NOT_READY flag-state handling after locking.
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Every observed campaign linking this CVE to a named adversary.
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Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.