{"id":"CVE-2022-50315","revision":null,"records":[{"revision":"1af058ec5a9e4482aa052e5b49d25efa","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2022-50315","aliases":[],"title":"ata: ahci: Match EM_MAX_SLOTS with SATA_PMP_MAX_PORTS","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nata: ahci: Match EM_MAX_SLOTS with SATA_PMP_MAX_PORTS\n\nUBSAN complains about array-index-out-of-bounds:\n[ 1.980703] kernel: UBSAN: array-index-out-of-bounds in /build/linux-9H675w/linux-5.15.0/drivers/ata/libahci.c:968:41\n[ 1.980709] kernel: index 15 is out of range for type 'ahci_em_priv [8]'\n[ 1.980713] kernel: CPU: 0 PID: 209 Comm: scsi_eh_8 Not tainted 5.15.0-25-generic #25-Ubuntu\n[ 1.980716] kernel: Hardware name: System manufacturer System Product Name/P5Q3, BIOS 1102 06/11/2010\n[ 1.980718] kernel: Call Trace:\n[ 1.980721] kernel: <TASK>\n[ 1.980723] kernel: show_stack+0x52/0x58\n[ 1.980729] kernel: dump_stack_lvl+0x4a/0x5f\n[ 1.980734] kernel: dump_stack+0x10/0x12\n[ 1.980736] kernel: ubsan_epilogue+0x9/0x45\n[ 1.980739] kernel: __ubsan_handle_out_of_bounds.cold+0x44/0x49\n[ 1.980742] kernel: ahci_qc_issue+0x166/0x170 [libahci]\n[ 1.980748] kernel: ata_qc_issue+0x135/0x240\n[ 1.980752] kernel: ata_exec_internal_sg+0x2c4/0x580\n[ 1.980754] kernel: ? vprintk_default+0x1d/0x20\n[ 1.980759] kernel: ata_exec_internal+0x67/0xa0\n[ 1.980762] kernel: sata_pmp_read+0x8d/0xc0\n[ 1.980765] kernel: sata_pmp_read_gscr+0x3c/0x90\n[ 1.980768] kernel: sata_pmp_attach+0x8b/0x310\n[ 1.980771] kernel: ata_eh_revalidate_and_attach+0x28c/0x4b0\n[ 1.980775] kernel: ata_eh_recover+0x6b6/0xb30\n[ 1.980778] kernel: ? ahci_do_hardreset+0x180/0x180 [libahci]\n[ 1.980783] kernel: ? ahci_stop_engine+0xb0/0xb0 [libahci]\n[ 1.980787] kernel: ? ahci_do_softreset+0x290/0x290 [libahci]\n[ 1.980792] kernel: ? trace_event_raw_event_ata_eh_link_autopsy_qc+0xe0/0xe0\n[ 1.980795] kernel: sata_pmp_eh_recover.isra.0+0x214/0x560\n[ 1.980799] kernel: sata_pmp_error_handler+0x23/0x40\n[ 1.980802] kernel: ahci_error_handler+0x43/0x80 [libahci]\n[ 1.980806] kernel: ata_scsi_port_error_handler+0x2b1/0x600\n[ 1.980810] kernel: ata_scsi_error+0x9c/0xd0\n[ 1.980813] kernel: scsi_error_handler+0xa1/0x180\n[ 1.980817] kernel: ? scsi_unjam_host+0x1c0/0x1c0\n[ 1.980820] kernel: kthread+0x12a/0x150\n[ 1.980823] kernel: ? set_kthread_struct+0x50/0x50\n[ 1.980826] kernel: ret_from_fork+0x22/0x30\n[ 1.980831] kernel: </TASK>\n\nThis happens because sata_pmp_init_links() initialize link->pmp up to\nSATA_PMP_MAX_PORTS while em_priv is declared as 8 elements array.\n\nI can't find the maximum Enclosure Management ports specified in AHCI\nspec v1.3.1, but \"12.2.1 LED message type\" states that \"Port Multiplier\nInformation\" can utilize 4 bits, which implies it can support up to 16\nports. Hence, use SATA_PMP_MAX_PORTS as EM_MAX_SLOTS to resolve the\nissue.\n\nBugLink: https://bugs.launchpad.net/bugs/1970074","state":0,"publishedAt":"2025-09-15T14:46:10.177+00:00","modifiedAt":"2026-10-15T21:31:19.964+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/ata/ahci.h\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"18f7ba4c2f4be6b37d925931f04d6cc28d88d1ee\",\n                            \"lessThan\": \"f70bd4339cb68bc7e206af4c922bc0d249244403\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"18f7ba4c2f4be6b37d925931f04d6cc28d88d1ee\",\n                            \"lessThan\": \"da2ea4a961d9f89ed248734e7032350c260dc3a3\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"18f7ba4c2f4be6b37d925931f04d6cc28d88d1ee\",\n                            \"lessThan\": \"67a00c299c5c143817c948fbc7de1a2fa1af38fb\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"18f7ba4c2f4be6b37d925931f04d6cc28d88d1ee\",\n                            \"lessThan\": \"383b7c50f5445ff8dbbf03080905648d6980c39d\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"18f7ba4c2f4be6b37d925931f04d6cc28d88d1ee\",\n                            \"lessThan\": \"303d0f761431d848dd8d7ff9fd9b8c101879cabe\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"18f7ba4c2f4be6b37d925931f04d6cc28d88d1ee\",\n                            \"lessThan\": \"8fbe13de1cc7cef2564be3cbf60400b33eee023b\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"18f7ba4c2f4be6b37d925931f04d6cc28d88d1ee\",\n                            \"lessThan\": \"d6314d5f68764550c84d732ce901ddd3ac6b415f\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"18f7ba4c2f4be6b37d925931f04d6cc28d88d1ee\",\n                            \"lessThan\": \"1e41e693f458eef2d5728207dbd327cd3b16580a\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/ata/ahci.h\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"2.6.27\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"2.6.27\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"4.9.332\",\n                            \"lessThanOrEqual\": \"4.9.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"4.14.298\",\n                            \"lessThanOrEqual\": \"4.14.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"4.19.264\",\n                            \"lessThanOrEqual\": \"4.19.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.4.221\",\n                            \"lessThanOrEqual\": \"5.4.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.152\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.76\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.0.6\",\n                            \"lessThanOrEqual\": \"6.0.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/f70bd4339cb68bc7e206af4c922bc0d249244403","https://git.kernel.org/stable/c/da2ea4a961d9f89ed248734e7032350c260dc3a3","https://git.kernel.org/stable/c/67a00c299c5c143817c948fbc7de1a2fa1af38fb","https://git.kernel.org/stable/c/383b7c50f5445ff8dbbf03080905648d6980c39d","https://git.kernel.org/stable/c/303d0f761431d848dd8d7ff9fd9b8c101879cabe","https://git.kernel.org/stable/c/8fbe13de1cc7cef2564be3cbf60400b33eee023b","https://git.kernel.org/stable/c/d6314d5f68764550c84d732ce901ddd3ac6b415f","https://git.kernel.org/stable/c/1e41e693f458eef2d5728207dbd327cd3b16580a"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2022-50315","license":"CVE Program Terms of Use","key":"cve-program:CVE-2022-50315","identifiers":["CVE-2022-50315"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all 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Not a global EUVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-db6e0f24a0bf4a9ab99b5398605ca9a0","complete":false,"records":13655,"lastAttemptAt":"2026-11-09T14:12:15.6624261+00:00","lastSuccessAt":"2026-11-09T14:12:15.7244128+00:00","error":null,"lastVerifiedAt":"2026-11-09T14:12:15.7244128+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"first-epss:nuget","scope":"FIRST EPSS for explicit CVE aliases in the collected public NuGet archive. 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No reader inventory is sent.","generation":"enrichment-fec5a400f2004099a6ceb2e015ba7713","complete":true,"records":13667,"lastAttemptAt":"2026-11-09T14:04:00.8740665+00:00","lastSuccessAt":"2026-11-09T13:04:37.338+00:00","error":null,"lastVerifiedAt":"2026-11-09T13:04:37.338+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13707,"expectedIdentifiers":13707,"failedIdentifiers":0},{"source":"osv:Go","scope":"Complete OSV Go ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"go-980593e6977a6d1b4fb1eed5a1ffe88a468736f89f0a06f710924ad59132c023","complete":true,"records":9914,"lastAttemptAt":"2026-11-09T14:04:00.1058982+00:00","lastSuccessAt":"2026-11-08T11:07:07.068788+00:00","error":null,"lastVerifiedAt":"2026-11-09T14:04:00.1058982+00:00","snapshotPublishedAt":"2026-11-08T11:02:46+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:NuGet","scope":"Complete OSV NuGet ecosystem archive, including GitHub Advisory Database records; NuGet version matching only","generation":"nuget-fde804134ecdda0ddd5ff5c26ee1fff5a6fa659311f7ef2e51c6ad54964db0e2","complete":true,"records":1971,"lastAttemptAt":"2026-11-09T14:02:14.6544671+00:00","lastSuccessAt":"2026-11-06T19:03:17.0399903+00:00","error":null,"lastVerifiedAt":"2026-11-09T14:02:14.6544671+00:00","snapshotPublishedAt":"2026-11-06T18:17:57+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:crates.io","scope":"Complete OSV crates.io ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"crates.io-c905fa1bd26c7b261e77cc7202a86dc766ff31c2b096b501f3bf44f561e34970","complete":true,"records":3063,"lastAttemptAt":"2026-11-09T14:04:00.1196922+00:00","lastSuccessAt":"2026-11-09T12:02:21.7931207+00:00","error":null,"lastVerifiedAt":"2026-11-09T14:04:00.1196922+00:00","snapshotPublishedAt":"2026-11-09T11:18:00+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:npm","scope":"Complete OSV npm ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"npm-0a2950eb931e2cbd521c1ee48327cd287727b9b342d55a1210c0101010ad92b5","complete":true,"records":231299,"lastAttemptAt":"2026-11-09T14:03:59.9741082+00:00","lastSuccessAt":"2026-11-09T14:03:58.6011989+00:00","error":null,"lastVerifiedAt":"2026-11-09T14:03:59.9741082+00:00","snapshotPublishedAt":"2026-11-09T13:48:25+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null}]}