CVE-2026-80992Medium· 5.5▾ SunlitA flaw was found in the `net: ravb` component of the Linux kernel. This vulnerability allows for a NULL pointer dereference when the Precision Time Protocol (PTP) clock's index is queried before it is properly initialized or if its registr…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 30.3 · likelihood 0 · 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
— → 7.8
none → high
Last analysed / modified upstream
7.8 → 5.9
high → medium
7.8 → 5.5
high → medium
A flaw was found in the net: ravb component of the Linux kernel. This vulnerability allows for a NULL pointer dereference when the Precision Time Protocol (PTP) clock's index is queried before it is properly initialized or if its registration fails. This issue could lead to a system crash, resulting in a denial of service.
kernel: net: ravb: avoid dereferencing an invalid PTP clock — 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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