CVE-2022-49229

In the Linux kernel, the following vulnerability has been resolved: ptp: unregister virtual clocks when unregistering physical clock. When unregistering a physical clock which has some virtual clocks, unregister the virtual clocks with it. This fixes the following oops, which can be triggered by unloading a driver providing a PTP clock when it has enabled virtual clocks: BUG: unable to handle page fault for address: ffffffffc04fc4d8 Oops: 0000 [#1] PREEMPT SMP NOPTI RIP: 0010:ptp_vclock_read+0x31/0xb0 Call Trace: timecounter_read+0xf/0x50 ptp_vclock_refresh+0x2c/0x50 ? ptp_clock_release+0x40/0x40 ptp_aux_kworker+0x17/0x30 kthread_worker_fn+0x9b/0x240 ? kthread_should_park+0x30/0x30 kthread+0xe2/0x110 ? kthread_complete_and_exit+0x20/0x20 ret_from_fork+0x22/0x30

The following products are affected by CVE-2022-49229 vulnerability.

Here, you will find a curated list of external links that provide in-depth information to CVE-2022-49229.

URL	Resource
https://git.kernel.org/stable/c/9c796a57cbb5daf124a665689f0b2bc9262e0ced
https://git.kernel.org/stable/c/b2dea2a696d09163da4cd33cb598ce1f73e86597
https://git.kernel.org/stable/c/bfcbb76b0f595ea9ede9f7a218086fef85242f10
https://git.kernel.org/stable/c/c49eafe6249f844c26f9866886cc6719d81762df
https://lore.kernel.org/linux-cve-announce/2025022622-CVE-2022-49229-2c2e@gregkh/T
https://nvd.nist.gov/vuln/detail/CVE-2022-49229
https://www.cve.org/CVERecord?id=CVE-2022-49229