CVE-2026-72017
CVE-2026-72017: 1 tracked advisory record across Red Hat. Compare vendor sources.
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Red Hat
1 advisory- Advisory severityMedium5.5
Medium [CVE-2026-72017] drop in-flight Tx SKBs on close
CVE-2026-72017Source published Source updated
In the Linux kernel, the following vulnerability has been resolved: net: macb: drop in-flight Tx SKBs on close The MACB driver has since forever leaked the outgoing SKBs that have not yet been marked as completed. They live in queue->tx_skb which gets freed without remorse nor checking. macb_free_consistent() gets called in a few codepaths, but only close will trigger the added expressions. In macb_open() and macb_alloc_consistent() failure cases, queues' tx_skb just got allocated and are empty. This driver fails to properly release outgoing Socket Kernel Buffers (SKBs) when the driver is closed. This continuous leakage of resources can lead to resource exhaustion over time, potentially resulting in a Denial of Service (DoS) condition for the system. Red Hat severity: Moderate — CVSS 5.5…
- 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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