{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2022-49229","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-02-26T01:49:39.293Z","datePublished":"2025-02-26T01:55:57.155Z","dateUpdated":"2025-05-04T08:32:54.820Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T08:32:54.820Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nptp: unregister virtual clocks when unregistering physical clock.\n\nWhen unregistering a physical clock which has some virtual clocks,\nunregister the virtual clocks with it.\n\nThis fixes the following oops, which can be triggered by unloading\na driver providing a PTP clock when it has enabled virtual clocks:\n\nBUG: unable to handle page fault for address: ffffffffc04fc4d8\nOops: 0000 [#1] PREEMPT SMP NOPTI\nRIP: 0010:ptp_vclock_read+0x31/0xb0\nCall Trace:\n timecounter_read+0xf/0x50\n ptp_vclock_refresh+0x2c/0x50\n ? ptp_clock_release+0x40/0x40\n ptp_aux_kworker+0x17/0x30\n kthread_worker_fn+0x9b/0x240\n ? kthread_should_park+0x30/0x30\n kthread+0xe2/0x110\n ? kthread_complete_and_exit+0x20/0x20\n ret_from_fork+0x22/0x30"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/ptp/ptp_clock.c"],"versions":[{"version":"73f37068d540eba5f93ba3a0019bf479d35ebd76","lessThan":"b2dea2a696d09163da4cd33cb598ce1f73e86597","status":"affected","versionType":"git"},{"version":"73f37068d540eba5f93ba3a0019bf479d35ebd76","lessThan":"9c796a57cbb5daf124a665689f0b2bc9262e0ced","status":"affected","versionType":"git"},{"version":"73f37068d540eba5f93ba3a0019bf479d35ebd76","lessThan":"c49eafe6249f844c26f9866886cc6719d81762df","status":"affected","versionType":"git"},{"version":"73f37068d540eba5f93ba3a0019bf479d35ebd76","lessThan":"bfcbb76b0f595ea9ede9f7a218086fef85242f10","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/ptp/ptp_clock.c"],"versions":[{"version":"5.14","status":"affected"},{"version":"0","lessThan":"5.14","status":"unaffected","versionType":"semver"},{"version":"5.15.33","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"5.16.19","lessThanOrEqual":"5.16.*","status":"unaffected","versionType":"semver"},{"version":"5.17.2","lessThanOrEqual":"5.17.*","status":"unaffected","versionType":"semver"},{"version":"5.18","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"5.15.33"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"5.16.19"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"5.17.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"5.18"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/b2dea2a696d09163da4cd33cb598ce1f73e86597"},{"url":"https://git.kernel.org/stable/c/9c796a57cbb5daf124a665689f0b2bc9262e0ced"},{"url":"https://git.kernel.org/stable/c/c49eafe6249f844c26f9866886cc6719d81762df"},{"url":"https://git.kernel.org/stable/c/bfcbb76b0f595ea9ede9f7a218086fef85242f10"}],"title":"ptp: unregister virtual clocks when unregistering physical clock.","x_generator":{"engine":"bippy-1.2.0"}}}}