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CVE-2023-52658 affects the Linux kernel Mellanox mlx5 driver's switchdev offload implementation. A change intended to prevent entry into switchdev mode when network namespace inconsistencies exist was suspected of causing system crashes and was subsequently reverted. The change was introduced in Linux 6.3 and backported into Linux 6.1.22 and 6.2.9. The vulnerability can result in local denial of service; the precise crash mechanism and vulnerable function are not established.
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A Linux kernel net/mlx5 vulnerability involving a change that blocks entering switchdev mode when namespace inconsistencies exist. The change can cause a crash and was reverted. The listed CVSS v3 score is 5.5, indicating a local, low-privilege vulnerability with high availability impact and no confidentiality or integrity impact.
Linux kernel mlx5 switchdev namespace-consistency issue.
Linux kernel net/mlx5 vulnerability addressed by reverting logic that blocked entry into switchdev mode when namespaces were inconsistent.
Linux kernel networking issue involving the mlx5 driver and switchdev mode namespace consistency handling.
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