{"id":"CVE-2026-89852","revision":"3f45b9b8eecc462f9a1a78b84ecf5754","records":[{"revision":"3f45b9b8eecc462f9a1a78b84ecf5754","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-89852","aliases":[],"title":"scsi: qla2xxx: Zero mailbox struct in qla2x00_get_firmware_state()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: Zero mailbox struct in qla2x00_get_firmware_state()\n\nThe mbx_cmd_t is allocated on the stack but left uninitialized.\nqla2x00_mailbox_command() has several early-return paths (PCI permanent\nfailure, device failed, EEH busy, ISP abort pending, mailbox access\ntimeout, purge mbox) that return without writing the input mailbox\nregisters back into mcp->mb[]. qla2x00_get_firmware_state() then\nunconditionally copies mcp->mb[1..6] (and mb[12]) into the caller's\nstates[] array regardless of the return value.\n\nOn such a failure the copied values are uninitialized kernel stack\nmemory, which is then exposed to userspace via the fw_state and\nmpi_fw_state sysfs handlers. Zero the mailbox struct so a failed query\nyields deterministic zeroed state instead of leaking stack contents.","state":0,"publishedAt":"2026-09-16T10:31:26.012+00:00","modifiedAt":"2026-10-19T08:53:45.11+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/scsi/qla2xxx/qla_mbx.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"4d4df1932b6b116aecc81039066fec27f2050762\",\n                            \"lessThan\": \"f8fc5cc6b3284506c6ab83c822c48133377668bb\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"4d4df1932b6b116aecc81039066fec27f2050762\",\n                            \"lessThan\": \"f29695b1138ae2539c5cd6cdaba9b1b072aaa81a\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"4d4df1932b6b116aecc81039066fec27f2050762\",\n                            \"lessThan\": \"13d645a2cdb224d27205368f3e3c68bb160daf97\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"4d4df1932b6b116aecc81039066fec27f2050762\",\n                            \"lessThan\": \"2f847f06bb223aa895eea91fc9e5e2d6314038eb\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"4d4df1932b6b116aecc81039066fec27f2050762\",\n                            \"lessThan\": \"1f49e861c18caf8eef7f0ad9a2c5034f88a6ba79\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"4d4df1932b6b116aecc81039066fec27f2050762\",\n                            \"lessThan\": \"e6cfb1ee18336aab41a0941d6d3ea5009aaafc05\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"4d4df1932b6b116aecc81039066fec27f2050762\",\n                            \"lessThan\": \"9f31de4d07e4cde91dfc24522993a5fbb4d67083\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"4d4df1932b6b116aecc81039066fec27f2050762\",\n                            \"lessThan\": \"9efaa782845b4d5fb3e01242be0d06ebc7428d8f\",\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/scsi/qla2xxx/qla_mbx.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"2.6.26\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"2.6.26\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.270\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.221\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.188\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.157\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.110\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.51\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.5\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/f8fc5cc6b3284506c6ab83c822c48133377668bb","https://git.kernel.org/stable/c/f29695b1138ae2539c5cd6cdaba9b1b072aaa81a","https://git.kernel.org/stable/c/13d645a2cdb224d27205368f3e3c68bb160daf97","https://git.kernel.org/stable/c/2f847f06bb223aa895eea91fc9e5e2d6314038eb","https://git.kernel.org/stable/c/1f49e861c18caf8eef7f0ad9a2c5034f88a6ba79","https://git.kernel.org/stable/c/e6cfb1ee18336aab41a0941d6d3ea5009aaafc05","https://git.kernel.org/stable/c/9f31de4d07e4cde91dfc24522993a5fbb4d67083","https://git.kernel.org/stable/c/9efaa782845b4d5fb3e01242be0d06ebc7428d8f"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-89852","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-89852","identifiers":["CVE-2026-89852"]},"retained":false,"historicalAffected":[]}],"coverage":[]}