{"id":"CVE-2026-89844","summary":"scsi: qla2xxx: Hold vport_slock for host map update in report ID acquisition","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: Hold vport_slock for host map update in report ID acquisition\n\nqla24xx_report_id_acquisition() format-1 handling drops vport_slock after\ntaking the vport reference and then calls qla_update_host_map() without\nthe lock. That reaches qla_update_vp_map(), which mutates the ha-\u003ehost_map\nbtree via btree_insert32()/btree_update32()/btree_remove32() and is\ndocumented to require vport_slock to be held by the caller. Running it\nunlocked can race concurrent host_map updates and corrupt the btree.\n\nThe format-2 path in the same function already wraps its host_map update\n(SET_AL_PA) in vport_slock; the format-1 path is the lone outlier.\n\nHold vport_slock across the format-1 qla_update_host_map() call to honor\nthe documented locking contract. The vref_count taken in the loop keeps\nthe vport valid, so this only adds the missing host_map serialization.","modified":"2026-09-18T03:48:33.177834938Z","published":"2026-09-16T10:31:18.439Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89844.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/6ed66e2a67bbd22877008ff9aa64bd574a7fc011"},{"type":"WEB","url":"https://git.kernel.org/stable/c/776e4e8cbcf155302f430ce9793d1502e3c113a0"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7944039ba9cb5c3a935d17c91004e3b8649ff58e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7d0b3f745efb24c0aac5e06b49b3420bc65d23b9"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e8f1b0cb9782338c6341ceed816e9c1243743cdd"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89844.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-89844"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"430eef03a763e5e76a371ba6d02779ae4a64b6ea"},{"fixed":"e8f1b0cb9782338c6341ceed816e9c1243743cdd"},{"fixed":"6ed66e2a67bbd22877008ff9aa64bd574a7fc011"},{"fixed":"776e4e8cbcf155302f430ce9793d1502e3c113a0"},{"fixed":"7d0b3f745efb24c0aac5e06b49b3420bc65d23b9"},{"fixed":"7944039ba9cb5c3a935d17c91004e3b8649ff58e"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-89844.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.3.0"},{"fixed":"6.6.157"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.110"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.51"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.2.5"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-89844.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}