{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50715","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-12-24T12:20:40.329Z","datePublished":"2025-12-24T12:22:39.763Z","dateUpdated":"2026-05-11T19:24:07.127Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:24:07.127Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmd/raid1: stop mdx_raid1 thread when raid1 array run failed\n\nfail run raid1 array when we assemble array with the inactive disk only,\nbut the mdx_raid1 thread were not stop, Even if the associated resources\nhave been released. it will caused a NULL dereference when we do poweroff.\n\nThis causes the following Oops:\n    [  287.587787] BUG: kernel NULL pointer dereference, address: 0000000000000070\n    [  287.594762] #PF: supervisor read access in kernel mode\n    [  287.599912] #PF: error_code(0x0000) - not-present page\n    [  287.605061] PGD 0 P4D 0\n    [  287.607612] Oops: 0000 [#1] SMP NOPTI\n    [  287.611287] CPU: 3 PID: 5265 Comm: md0_raid1 Tainted: G     U            5.10.146 #0\n    [  287.619029] Hardware name: xxxxxxx/To be filled by O.E.M, BIOS 5.19 06/16/2022\n    [  287.626775] RIP: 0010:md_check_recovery+0x57/0x500 [md_mod]\n    [  287.632357] Code: fe 01 00 00 48 83 bb 10 03 00 00 00 74 08 48 89 ......\n    [  287.651118] RSP: 0018:ffffc90000433d78 EFLAGS: 00010202\n    [  287.656347] RAX: 0000000000000000 RBX: ffff888105986800 RCX: 0000000000000000\n    [  287.663491] RDX: ffffc90000433bb0 RSI: 00000000ffffefff RDI: ffff888105986800\n    [  287.670634] RBP: ffffc90000433da0 R08: 0000000000000000 R09: c0000000ffffefff\n    [  287.677771] R10: 0000000000000001 R11: ffffc90000433ba8 R12: ffff888105986800\n    [  287.684907] R13: 0000000000000000 R14: fffffffffffffe00 R15: ffff888100b6b500\n    [  287.692052] FS:  0000000000000000(0000) GS:ffff888277f80000(0000) knlGS:0000000000000000\n    [  287.700149] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n    [  287.705897] CR2: 0000000000000070 CR3: 000000000320a000 CR4: 0000000000350ee0\n    [  287.713033] Call Trace:\n    [  287.715498]  raid1d+0x6c/0xbbb [raid1]\n    [  287.719256]  ? __schedule+0x1ff/0x760\n    [  287.722930]  ? schedule+0x3b/0xb0\n    [  287.726260]  ? schedule_timeout+0x1ed/0x290\n    [  287.730456]  ? __switch_to+0x11f/0x400\n    [  287.734219]  md_thread+0xe9/0x140 [md_mod]\n    [  287.738328]  ? md_thread+0xe9/0x140 [md_mod]\n    [  287.742601]  ? wait_woken+0x80/0x80\n    [  287.746097]  ? md_register_thread+0xe0/0xe0 [md_mod]\n    [  287.751064]  kthread+0x11a/0x140\n    [  287.754300]  ? kthread_park+0x90/0x90\n    [  287.757974]  ret_from_fork+0x1f/0x30\n\nIn fact, when raid1 array run fail, we need to do\nmd_unregister_thread() before raid1_free()."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/md/raid1.c"],"versions":[{"version":"5bad5054ecd83c866502f0370edfc9aa55dc9aa7","lessThan":"d684ceb77311410aeaf5189d321f9f564838c49a","status":"affected","versionType":"git"},{"version":"440c3706f1d1835d24ba5b4bbe6515e0a97e886c","lessThan":"110f14a7b2eb5b8aa9df5af2d629524f2a07d543","status":"affected","versionType":"git"},{"version":"f1db75622996af402deea9c018deb8e869ce7548","lessThan":"0c7c7468c3ae222e297b7dc74d6ccb69c4d0183c","status":"affected","versionType":"git"},{"version":"07f1a6850c5d5a65c917c3165692b5179ac4cb6b","lessThan":"19d5a0e17aba92b10d895e40ec782768cf00da23","status":"affected","versionType":"git"},{"version":"07f1a6850c5d5a65c917c3165692b5179ac4cb6b","lessThan":"10d713532ffc67b13df61ed9c138a8ce0a186236","status":"affected","versionType":"git"},{"version":"07f1a6850c5d5a65c917c3165692b5179ac4cb6b","lessThan":"a3cc41e05e8af340a2a759b168c29fffdb9194eb","status":"affected","versionType":"git"},{"version":"07f1a6850c5d5a65c917c3165692b5179ac4cb6b","lessThan":"22be44212cad8be96860346882d8e694b0b437b6","status":"affected","versionType":"git"},{"version":"07f1a6850c5d5a65c917c3165692b5179ac4cb6b","lessThan":"d26364596db8f8b55277b2afb3952e05a4057a21","status":"affected","versionType":"git"},{"version":"07f1a6850c5d5a65c917c3165692b5179ac4cb6b","lessThan":"b611ad14006e5be2170d9e8e611bf49dff288911","status":"affected","versionType":"git"},{"version":"b8c11e01be7f7fcbda697e8cf9aa1f4ec65816f6","status":"affected","versionType":"git"},{"version":"18a00f37f418838fbe2036f425a1ea04f93c473c","status":"affected","versionType":"git"},{"version":"d6092a9624ce32491e298f6b248b6ab31b2bbc5a","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/md/raid1.c"],"versions":[{"version":"5.4","status":"affected"},{"version":"0","lessThan":"5.4","status":"unaffected","versionType":"semver"},{"version":"4.9.337","lessThanOrEqual":"4.9.*","status":"unaffected","versionType":"semver"},{"version":"4.14.303","lessThanOrEqual":"4.14.*","status":"unaffected","versionType":"semver"},{"version":"4.19.270","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.229","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.163","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.86","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.0.16","lessThanOrEqual":"6.0.*","status":"unaffected","versionType":"semver"},{"version":"6.1.2","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.2","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":"4.9.195","versionEndExcluding":"4.9.337"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14.147","versionEndExcluding":"4.14.303"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19.77","versionEndExcluding":"4.19.270"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"5.4.229"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"5.10.163"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"5.15.86"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"6.0.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"6.1.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"6.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4.195"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2.19"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3.4"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/d684ceb77311410aeaf5189d321f9f564838c49a"},{"url":"https://git.kernel.org/stable/c/110f14a7b2eb5b8aa9df5af2d629524f2a07d543"},{"url":"https://git.kernel.org/stable/c/0c7c7468c3ae222e297b7dc74d6ccb69c4d0183c"},{"url":"https://git.kernel.org/stable/c/19d5a0e17aba92b10d895e40ec782768cf00da23"},{"url":"https://git.kernel.org/stable/c/10d713532ffc67b13df61ed9c138a8ce0a186236"},{"url":"https://git.kernel.org/stable/c/a3cc41e05e8af340a2a759b168c29fffdb9194eb"},{"url":"https://git.kernel.org/stable/c/22be44212cad8be96860346882d8e694b0b437b6"},{"url":"https://git.kernel.org/stable/c/d26364596db8f8b55277b2afb3952e05a4057a21"},{"url":"https://git.kernel.org/stable/c/b611ad14006e5be2170d9e8e611bf49dff288911"}],"title":"md/raid1: stop mdx_raid1 thread when raid1 array run failed","x_generator":{"engine":"bippy-1.2.0"}}}}