CVE-2026-80992High· 7.8▾ TwilightIn the Linux kernel, the following vulnerability has been resolved: net: ravb: avoid dereferencing an invalid PTP clock The PTP clock is unavailable before the first open, so querying its index can dereference a NULL pointer. Registrat…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 42.9 · 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 CVEORG
0.2%
— → 5.9
none → medium
— → 7.8
none → high
7.8 → 5.9
high → medium
7.8 → 5.5
high → medium
Last analysed / modified upstream
5.5 → 7.8
medium → high
In the Linux kernel, the following vulnerability has been resolved:
net: ravb: avoid dereferencing an invalid PTP clock
The PTP clock is unavailable before the first open, so querying its index can dereference a NULL pointer. Registration failures can also leave an error pointer in priv->ptp.clock.
Cache the PHC index separately and report -1 while no clock is registered. Normalize registration errors to NULL and preserve the static timestamping capabilities.
Linux >= a0d2f20650e81407d8e51ad2cbdc492861c74e9c < 29ffd972531f8e6e0edf4ea3496190acff9fc9c2Linux >= a0d2f20650e81407d8e51ad2cbdc492861c74e9c < bf3308416a2be85dcc9965b614a745b40beeff14Linux >= a0d2f20650e81407d8e51ad2cbdc492861c74e9c < fc710f89a644e030a7ca15343176ca862fd61b9dLinux >= a0d2f20650e81407d8e51ad2cbdc492861c74e9c < 8d4d06d6e2b501cb8e30ed3b1924c470358e8052Linux >= a0d2f20650e81407d8e51ad2cbdc492861c74e9c < 0aaa53936419cf0c19c670387fc6d431e042a1b6Linux >= a0d2f20650e81407d8e51ad2cbdc492861c74e9c < 1f77af0aaf277413ff32f6ff8c2c4282bd64c897Linux 4.2Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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