CVE - CVE-2022-49229

CVE-ID
CVE-2022-49229	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
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
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://git.kernel.org/stable/c/9c796a57cbb5daf124a665689f0b2bc9262e0ced URL:https://git.kernel.org/stable/c/9c796a57cbb5daf124a665689f0b2bc9262e0ced MISC:https://git.kernel.org/stable/c/b2dea2a696d09163da4cd33cb598ce1f73e86597 URL:https://git.kernel.org/stable/c/b2dea2a696d09163da4cd33cb598ce1f73e86597 MISC:https://git.kernel.org/stable/c/bfcbb76b0f595ea9ede9f7a218086fef85242f10 URL:https://git.kernel.org/stable/c/bfcbb76b0f595ea9ede9f7a218086fef85242f10 MISC:https://git.kernel.org/stable/c/c49eafe6249f844c26f9866886cc6719d81762df URL:https://git.kernel.org/stable/c/c49eafe6249f844c26f9866886cc6719d81762df
Assigning CNA
kernel.org
Date Record Created
20250226	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20250226)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
This is an record on the CVE List, which provides common identifiers for publicly known cybersecurity vulnerabilities.
Search CVE Using Keywords: You can also search by reference using the CVE Reference Maps.
For More Information: CVE Request Web Form (select "Other" from dropdown)