cve-2024-42107
Vulnerability from cvelistv5
Published
2024-07-30 07:46
Modified
2024-12-19 09:12
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: ice: Don't process extts if PTP is disabled The ice_ptp_extts_event() function can race with ice_ptp_release() and result in a NULL pointer dereference which leads to a kernel panic. Panic occurs because the ice_ptp_extts_event() function calls ptp_clock_event() with a NULL pointer. The ice driver has already released the PTP clock by the time the interrupt for the next external timestamp event occurs. To fix this, modify the ice_ptp_extts_event() function to check the PTP state and bail early if PTP is not ready.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1c4e524811918600683b1ea87a5e0fc2db64fa9bPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/996422e3230e41468f652d754fefd1bdbcd4604ePatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/1c4e524811918600683b1ea87a5e0fc2db64fa9bPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/996422e3230e41468f652d754fefd1bdbcd4604ePatch
Impacted products
Vendor Product Version
Linux Linux Version: 172db5f91d5f7b91670c68a7547798b0b5374158
Version: 172db5f91d5f7b91670c68a7547798b0b5374158
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   Linux Linux Version: 5.14
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