CVE-2026-98616Medium· 4.1▾ SunlitA flaw was found in the Linux kernel's fbnic driver. This flaw allows a local user to trigger a kernel crash, resulting in a Denial of Service (DoS). During power management suspend or failed resume operations, the driver frees interrupt v…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 22.5 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Oct 20.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CSAF
0.2%
Last analysed / modified upstream
— → 4.1
none → medium
A flaw was found in the Linux kernel's fbnic driver. This flaw allows a local user to trigger a kernel crash, resulting in a Denial of Service (DoS). During power management suspend or failed resume operations, the driver frees interrupt vectors without clearing the active vector counter. When the network interface is subsequently closed or detached, the driver attempts to access the freed structures, leading to a null pointer dereference.
kernel: eth: fbnic: reset num_napi when the napi vectors are freed — rated Moderate by Red Hat. Released 2026-10-18, updated 2026-10-21.
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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