{"id":"DEBIAN-CVE-2022-49229","details":"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","modified":"2026-08-27T23:04:46.297436155Z","published":"2025-02-26T07:00:59.943Z","upstream":["CVE-2022-49229"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2022-49229"}],"affected":[{"package":{"name":"linux","ecosystem":"Debian:12","purl":"pkg:deb/debian/linux?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.17.3-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2022-49229.json"}},{"package":{"name":"linux","ecosystem":"Debian:13","purl":"pkg:deb/debian/linux?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.17.3-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2022-49229.json"}},{"package":{"name":"linux","ecosystem":"Debian:14","purl":"pkg:deb/debian/linux?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.17.3-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2022-49229.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}