{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2022-50084", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-06-18T10:57:27.410Z", "datePublished": "2025-06-18T11:02:25.998Z", "dateUpdated": "2026-05-11T19:12:31.288Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:12:31.288Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndm raid: fix address sanitizer warning in raid_status\n\nThere is this warning when using a kernel with the address sanitizer\nand running this testsuite:\nhttps://gitlab.com/cki-project/kernel-tests/-/tree/main/storage/swraid/scsi_raid\n\n==================================================================\nBUG: KASAN: slab-out-of-bounds in raid_status+0x1747/0x2820 [dm_raid]\nRead of size 4 at addr ffff888079d2c7e8 by task lvcreate/13319\nCPU: 0 PID: 13319 Comm: lvcreate Not tainted 5.18.0-0.rc3. #1\nHardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011\nCall Trace:\n \n dump_stack_lvl+0x6a/0x9c\n print_address_description.constprop.0+0x1f/0x1e0\n print_report.cold+0x55/0x244\n kasan_report+0xc9/0x100\n raid_status+0x1747/0x2820 [dm_raid]\n dm_ima_measure_on_table_load+0x4b8/0xca0 [dm_mod]\n table_load+0x35c/0x630 [dm_mod]\n ctl_ioctl+0x411/0x630 [dm_mod]\n dm_ctl_ioctl+0xa/0x10 [dm_mod]\n __x64_sys_ioctl+0x12a/0x1a0\n do_syscall_64+0x5b/0x80\n\nThe warning is caused by reading conf->max_nr_stripes in raid_status. The\ncode in raid_status reads mddev->private, casts it to struct r5conf and\nreads the entry max_nr_stripes.\n\nHowever, if we have different raid type than 4/5/6, mddev->private\ndoesn't point to struct r5conf; it may point to struct r0conf, struct\nr1conf, struct r10conf or struct mpconf. If we cast a pointer to one\nof these structs to struct r5conf, we will be reading invalid memory\nand KASAN warns about it.\n\nFix this bug by reading struct r5conf only if raid type is 4, 5 or 6." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/md/dm-raid.c" ], "versions": [ { "version": "3a1c1ef2fd62087c3d6521de217ddb9360776658", "lessThan": "1ae0ebfb576b72c2ef400917a5484ebe7892d80b", "status": "affected", "versionType": "git" }, { "version": "3a1c1ef2fd62087c3d6521de217ddb9360776658", "lessThan": "90b006da40dd42285b24dd3c940d2c32aca9a70b", "status": "affected", "versionType": "git" }, { "version": "3a1c1ef2fd62087c3d6521de217ddb9360776658", "lessThan": "b856ce5f4b55f752144baf17e9d5c415072652c5", "status": "affected", "versionType": "git" }, { "version": "3a1c1ef2fd62087c3d6521de217ddb9360776658", "lessThan": "cb583ca6125ac64c98e9d65128e95ebb5be7d322", "status": "affected", "versionType": "git" }, { "version": "3a1c1ef2fd62087c3d6521de217ddb9360776658", "lessThan": "49dba30638e091120256a9e89125340795f034dc", "status": "affected", "versionType": "git" }, { "version": "3a1c1ef2fd62087c3d6521de217ddb9360776658", "lessThan": "4c233811a49578634d10a5e70a9dfa569d451e94", "status": "affected", "versionType": "git" }, { "version": "3a1c1ef2fd62087c3d6521de217ddb9360776658", "lessThan": "d8971b595d7adac3421c21f59918241f1574061e", "status": "affected", "versionType": "git" }, { "version": "3a1c1ef2fd62087c3d6521de217ddb9360776658", "lessThan": "b4c6c07c92b6cba2bf3cb2dfa722debeaf8a8abe", "status": "affected", "versionType": "git" }, { "version": "3a1c1ef2fd62087c3d6521de217ddb9360776658", "lessThan": "1fbeea217d8f297fe0e0956a1516d14ba97d0396", "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/dm-raid.c" ], "versions": [ { "version": "4.8", "status": "affected" }, { "version": "0", "lessThan": "4.8", "status": "unaffected", "versionType": "semver" }, { "version": "4.9.326", "lessThanOrEqual": "4.9.*", "status": "unaffected", "versionType": "semver" }, { "version": "4.14.291", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver" }, { "version": "4.19.256", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.4.211", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.137", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.61", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.18.18", "lessThanOrEqual": "5.18.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.19.2", "lessThanOrEqual": "5.19.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.0", "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": "4.8", "versionEndExcluding": "4.9.326" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.8", "versionEndExcluding": "4.14.291" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.8", "versionEndExcluding": "4.19.256" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.8", "versionEndExcluding": "5.4.211" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.8", "versionEndExcluding": "5.10.137" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.8", "versionEndExcluding": "5.15.61" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.8", "versionEndExcluding": "5.18.18" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.8", "versionEndExcluding": "5.19.2" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.8", "versionEndExcluding": "6.0" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/1ae0ebfb576b72c2ef400917a5484ebe7892d80b" }, { "url": "https://git.kernel.org/stable/c/90b006da40dd42285b24dd3c940d2c32aca9a70b" }, { "url": "https://git.kernel.org/stable/c/b856ce5f4b55f752144baf17e9d5c415072652c5" }, { "url": "https://git.kernel.org/stable/c/cb583ca6125ac64c98e9d65128e95ebb5be7d322" }, { "url": "https://git.kernel.org/stable/c/49dba30638e091120256a9e89125340795f034dc" }, { "url": "https://git.kernel.org/stable/c/4c233811a49578634d10a5e70a9dfa569d451e94" }, { "url": "https://git.kernel.org/stable/c/d8971b595d7adac3421c21f59918241f1574061e" }, { "url": "https://git.kernel.org/stable/c/b4c6c07c92b6cba2bf3cb2dfa722debeaf8a8abe" }, { "url": "https://git.kernel.org/stable/c/1fbeea217d8f297fe0e0956a1516d14ba97d0396" } ], "title": "dm raid: fix address sanitizer warning in raid_status", "x_generator": { "engine": "bippy-1.2.0" } } } }