CVE-2026-80998Medium· 5.5▾ SunlitA flaw was found in the Linux kernel's `bnxt` network driver. When processing a burst of packets, the driver may fail to notify the network device (ring the doorbell) if the Software UDP Segmentation Offload (SW USO) path exits prematurely…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 30.3 · likelihood 0.1 · exploitation 0
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Exploit-prediction probability, daily snapshots since Sep 12.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CSAF
0.2%
— → 5.9
none → medium
0.2% → 0.5%
— → 5.9
none → medium
— → 7.5
none → high
Last analysed / modified upstream
7.5 → 5.9
high → medium
7.5 → 5.9
high → medium
5.9 → 5.5
A flaw was found in the Linux kernel's bnxt network driver. When processing a burst of packets, the driver may fail to notify the network device (ring the doorbell) if the Software UDP Segmentation Offload (SW USO) path exits prematurely. This oversight can lead to a transmit (TX) queue stall, rendering the network interface unresponsive and causing a Denial of Service (DoS) for network communications.
kernel: net: bnxt: ring the doorbell when SW USO exits early — rated Moderate by Red Hat. Released 2026-09-11, updated 2026-09-14.
Not affected:
Refer to the advisory for fix availability.
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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