{ "schemaVersion": 1, "attribution": [ { "source": "CISA Known Exploited Vulnerabilities", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "licence": "US government work" }, { "source": "GitHub Advisory Database", "url": "https://github.com/advisories", "licence": "CC BY 4.0" }, { "source": "Have I Been Pwned", "url": "https://haveibeenpwned.com/", "licence": "CC BY 4.0" }, { "source": "CVE Program (CVE records)", "url": "https://www.cve.org/Legal/TermsOfUse", "licence": "CVE Terms of Use", "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.", "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." }, { "source": "FIRST EPSS", "url": "https://www.first.org/epss/", "licence": "free to use; FIRST requests attribution" } ], "record": { "id": "CVE-2022-50715", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-50715", "idYear": 2022, "status": "PUBLISHED", "publishedAt": "2025-12-24T12:22:39.763Z", "updatedAt": "2026-05-23T15:24:55.242Z", "importedAt": "2026-10-24T01:56:49.724Z", "snapshot": { "id": "cve_2026-10-24_midnight_baseline", "at": "2026-10-24T00:00:00.000Z", "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z" }, "facts": { "title": "md/raid1: stop mdx_raid1 thread when raid1 array run failed", "summary": "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": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "5bad5054ecd83c866502f0370edfc9aa55dc9aa7", "status": "affected", "versionType": "git", "lessThan": "d684ceb77311410aeaf5189d321f9f564838c49a" }, { "version": "440c3706f1d1835d24ba5b4bbe6515e0a97e886c", "status": "affected", "versionType": "git", "lessThan": "110f14a7b2eb5b8aa9df5af2d629524f2a07d543" }, { "version": "f1db75622996af402deea9c018deb8e869ce7548", "status": "affected", "versionType": "git", "lessThan": "0c7c7468c3ae222e297b7dc74d6ccb69c4d0183c" }, { "version": "07f1a6850c5d5a65c917c3165692b5179ac4cb6b", "status": "affected", "versionType": "git", "lessThan": "19d5a0e17aba92b10d895e40ec782768cf00da23" }, { "version": "07f1a6850c5d5a65c917c3165692b5179ac4cb6b", "status": "affected", "versionType": "git", "lessThan": "10d713532ffc67b13df61ed9c138a8ce0a186236" }, { "version": "07f1a6850c5d5a65c917c3165692b5179ac4cb6b", "status": "affected", "versionType": "git", "lessThan": "a3cc41e05e8af340a2a759b168c29fffdb9194eb" }, { "version": "07f1a6850c5d5a65c917c3165692b5179ac4cb6b", "status": "affected", "versionType": "git", "lessThan": "22be44212cad8be96860346882d8e694b0b437b6" }, { "version": "07f1a6850c5d5a65c917c3165692b5179ac4cb6b", "status": "affected", "versionType": "git", "lessThan": "d26364596db8f8b55277b2afb3952e05a4057a21" }, { "version": "07f1a6850c5d5a65c917c3165692b5179ac4cb6b", "status": "affected", "versionType": "git", "lessThan": "b611ad14006e5be2170d9e8e611bf49dff288911" }, { "version": "b8c11e01be7f7fcbda697e8cf9aa1f4ec65816f6", "status": "affected", "versionType": "git" }, { "version": "18a00f37f418838fbe2036f425a1ea04f93c473c", "status": "affected", "versionType": "git" }, { "version": "d6092a9624ce32491e298f6b248b6ab31b2bbc5a", "status": "affected", "versionType": "git" }, { "version": "4.9.195", "status": "affected", "versionType": "semver", "lessThan": "4.9.337" }, { "version": "4.14.147", "status": "affected", "versionType": "semver", "lessThan": "4.14.303" }, { "version": "4.19.77", "status": "affected", "versionType": "semver", "lessThan": "4.19.270" }, { "version": "4.4.195", "status": "affected", "versionType": "semver", "lessThan": "4.5" }, { "version": "5.2.19", "status": "affected", "versionType": "semver", "lessThan": "5.3" }, { "version": "5.3.4", "status": "affected", "versionType": "semver", "lessThan": "5.4" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "5.4", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "5.4" }, { "version": "4.9.337", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "4.9.*" }, { "version": "4.14.303", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "4.14.*" }, { "version": "4.19.270", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "4.19.*" }, { "version": "5.4.229", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.4.*" }, { "version": "5.10.163", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.10.*" }, { "version": "5.15.86", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.15.*" }, { "version": "6.0.16", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.0.*" }, { "version": "6.1.2", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.1.*" }, { "version": "6.2", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }