{"api_version":"1","generated_at":"2026-09-16T16:40:19+00:00","cve":"CVE-2026-89863","urls":{"html":"https://cve.report/CVE-2026-89863","api":"https://cve.report/api/cve/CVE-2026-89863.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-89863","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-89863"},"summary":{"title":"scsi: qla2xxx: edif: Fix NULL pointer deref in RX SA delete check","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: edif: Fix NULL pointer deref in RX SA delete check\n\nqla_chk_edif_rx_sa_delete_pending() obtains the SCSI command via\nGET_CMD_SP(sp) and immediately dereferences cmd->sc_data_direction.\nThat command pointer can be NULL: the firmware may post a status\ncompletion for a command that has already been returned or aborted.  The\ncaller qla2x00_status_entry() acknowledges this on the very same status\npath, re-fetching GET_CMD_SP(sp) and bailing out with the \"Command\nalready returned\" message when it is NULL -- but that check runs only\nafter qla_chk_edif_rx_sa_delete_pending() has already dereferenced the\npointer, so a NULL cmd crashes the kernel in interrupt context.\n\nReturn early when cmd is NULL, before touching cmd->sc_data_direction.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-16 11:16:54","updated_at":"2026-09-16 15:18:14"},"problem_types":[],"metrics":[{"version":"3.1","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","score":"7.5","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"7.5","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","data":{"baseScore":7.5,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"references":[{"url":"https://git.kernel.org/stable/c/de0c8ef3b900c5e971c82ef38c6f5c22c5f3d8c1","name":"https://git.kernel.org/stable/c/de0c8ef3b900c5e971c82ef38c6f5c22c5f3d8c1","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/75fd6d041c4a325ae37f4683e6678d3015988bb0","name":"https://git.kernel.org/stable/c/75fd6d041c4a325ae37f4683e6678d3015988bb0","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/2191b0034a2f1307d421782e6eceddf8eec9e7f6","name":"https://git.kernel.org/stable/c/2191b0034a2f1307d421782e6eceddf8eec9e7f6","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c20ee380ca59c5a8646750c4849969a815924e2e","name":"https://git.kernel.org/stable/c/c20ee380ca59c5a8646750c4849969a815924e2e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e479e9b148456905d12711411484b94083c8ff58","name":"https://git.kernel.org/stable/c/e479e9b148456905d12711411484b94083c8ff58","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/96eb8a3fc9f7fe7ba32679fcf1d2fd7d251e7a8b","name":"https://git.kernel.org/stable/c/96eb8a3fc9f7fe7ba32679fcf1d2fd7d251e7a8b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/94bfb61478bcb207d27f8cd24fd231421059519f","name":"https://git.kernel.org/stable/c/94bfb61478bcb207d27f8cd24fd231421059519f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-89863","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-89863","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected dd30706e73b70d67e88fdaca688db7a3374fd5de e479e9b148456905d12711411484b94083c8ff58 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected dd30706e73b70d67e88fdaca688db7a3374fd5de 2191b0034a2f1307d421782e6eceddf8eec9e7f6 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected dd30706e73b70d67e88fdaca688db7a3374fd5de de0c8ef3b900c5e971c82ef38c6f5c22c5f3d8c1 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected dd30706e73b70d67e88fdaca688db7a3374fd5de 96eb8a3fc9f7fe7ba32679fcf1d2fd7d251e7a8b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.110 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.51 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.5 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3-rc1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/scsi/qla2xxx/qla_edif.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"e479e9b148456905d12711411484b94083c8ff58","status":"affected","version":"dd30706e73b70d67e88fdaca688db7a3374fd5de","versionType":"git"},{"lessThan":"2191b0034a2f1307d421782e6eceddf8eec9e7f6","status":"affected","version":"dd30706e73b70d67e88fdaca688db7a3374fd5de","versionType":"git"},{"lessThan":"de0c8ef3b900c5e971c82ef38c6f5c22c5f3d8c1","status":"affected","version":"dd30706e73b70d67e88fdaca688db7a3374fd5de","versionType":"git"},{"lessThan":"96eb8a3fc9f7fe7ba32679fcf1d2fd7d251e7a8b","status":"affected","version":"dd30706e73b70d67e88fdaca688db7a3374fd5de","versionType":"git"},{"lessThan":"94bfb61478bcb207d27f8cd24fd231421059519f","status":"affected","version":"dd30706e73b70d67e88fdaca688db7a3374fd5de","versionType":"git"},{"lessThan":"75fd6d041c4a325ae37f4683e6678d3015988bb0","status":"affected","version":"dd30706e73b70d67e88fdaca688db7a3374fd5de","versionType":"git"},{"lessThan":"c20ee380ca59c5a8646750c4849969a815924e2e","status":"affected","version":"dd30706e73b70d67e88fdaca688db7a3374fd5de","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/scsi/qla2xxx/qla_edif.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.15"},{"lessThan":"5.15","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.221","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.188","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.157","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.110","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.51","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.5","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.221","versionStartIncluding":"5.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.188","versionStartIncluding":"5.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.157","versionStartIncluding":"5.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.110","versionStartIncluding":"5.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.51","versionStartIncluding":"5.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.5","versionStartIncluding":"5.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc1","versionStartIncluding":"5.15","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: edif: Fix NULL pointer deref in RX SA delete check\n\nqla_chk_edif_rx_sa_delete_pending() obtains the SCSI command via\nGET_CMD_SP(sp) and immediately dereferences cmd->sc_data_direction.\nThat command pointer can be NULL: the firmware may post a status\ncompletion for a command that has already been returned or aborted.  The\ncaller qla2x00_status_entry() acknowledges this on the very same status\npath, re-fetching GET_CMD_SP(sp) and bailing out with the \"Command\nalready returned\" message when it is NULL -- but that check runs only\nafter qla_chk_edif_rx_sa_delete_pending() has already dereferenced the\npointer, so a NULL cmd crashes the kernel in interrupt context.\n\nReturn early when cmd is NULL, before touching cmd->sc_data_direction."}],"metrics":[{"cvssV3_1":{"baseScore":7.5,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"scenarios":[{"lang":"en","value":"AV:N - qla_chk_edif_rx_sa_delete_pending() runs from qla2x00_status_entry() on STATUS_TYPE IOCBs the HBA firmware posts from a remote Fibre Channel or FCoE target's FCP_RSP. QLogic CNAs speak FCoE and SAN fabrics are stretched via FCIP, so a compromised target delivers late completions over the storage network with no local access.\nAC:L - A hostile target controls FCP_RSP timing and can delay a response until SCSI error handling aborts and returns the command, then complete so firmware posts status for a NULL cmd. The same function already handles that case (\"Command already returned\"); the crash is then deterministic and needs no rare config or layout beyond a qla2xxx HBA.\nPR:N - Completions are handled in the HBA interrupt/response-queue path (qla24xx_process_response_queue to qla2x00_status_entry) with no Linux credential or capability check; the attacker only needs to act as an FC/FCoE target on the fabric.\nUI:N - Once the target is visible on the fabric, the SCSI midlayer automatically issues commands (scan, path checks, mounted-filesystem I/O) whose STATUS_TYPE completions take the vulnerable path; no user mount, open, or other interactive step is required at exploit time.\nS:U - The NULL dereference and resulting oops stay inside the host kernel that owns the qla2xxx driver and do not cross a VM, IOMMU, or other separate security authority.\nC:N - This is a pure NULL-pointer dereference of GET_CMD_SP(sp) (cmd->sc_data_direction at a NULL-page offset) when the SCSI command was already returned or aborted. There is no use-after-free of a live object, out-of-bounds read, or other kernel memory disclosure primitive.\nI:N - The cmd pointer is NULL, not a freed or attacker-controlled object, so the load cannot corrupt kernel heap, overwrite function pointers, or hijack control flow. The fix is only an early NULL return; there is no write primitive.\nA:H - Dereferencing NULL cmd in qla_chk_edif_rx_sa_delete_pending() from the response-queue interrupt or qla_do_work() context oopses or panics the host, taking down all storage served by the adapter. A fabric peer can repeat this on aborted I/O."}]}],"providerMetadata":{"dateUpdated":"2026-09-16T14:39:25.537Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/e479e9b148456905d12711411484b94083c8ff58"},{"url":"https://git.kernel.org/stable/c/2191b0034a2f1307d421782e6eceddf8eec9e7f6"},{"url":"https://git.kernel.org/stable/c/de0c8ef3b900c5e971c82ef38c6f5c22c5f3d8c1"},{"url":"https://git.kernel.org/stable/c/96eb8a3fc9f7fe7ba32679fcf1d2fd7d251e7a8b"},{"url":"https://git.kernel.org/stable/c/94bfb61478bcb207d27f8cd24fd231421059519f"},{"url":"https://git.kernel.org/stable/c/75fd6d041c4a325ae37f4683e6678d3015988bb0"},{"url":"https://git.kernel.org/stable/c/c20ee380ca59c5a8646750c4849969a815924e2e"}],"title":"scsi: qla2xxx: edif: Fix NULL pointer deref in RX SA delete check","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-89863","datePublished":"2026-09-16T10:31:34.377Z","dateReserved":"2026-09-11T19:38:34.771Z","dateUpdated":"2026-09-16T14:39:25.537Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-16 11:16:54","lastModifiedDate":"2026-09-16 15:18:14","problem_types":[],"metrics":{"cvssMetricV31":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"89863","Ordinal":"1","Title":"scsi: qla2xxx: edif: Fix NULL pointer deref in RX SA delete chec","CVE":"CVE-2026-89863","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"89863","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: edif: Fix NULL pointer deref in RX SA delete check\n\nqla_chk_edif_rx_sa_delete_pending() obtains the SCSI command via\nGET_CMD_SP(sp) and immediately dereferences cmd->sc_data_direction.\nThat command pointer can be NULL: the firmware may post a status\ncompletion for a command that has already been returned or aborted.  The\ncaller qla2x00_status_entry() acknowledges this on the very same status\npath, re-fetching GET_CMD_SP(sp) and bailing out with the \"Command\nalready returned\" message when it is NULL -- but that check runs only\nafter qla_chk_edif_rx_sa_delete_pending() has already dereferenced the\npointer, so a NULL cmd crashes the kernel in interrupt context.\n\nReturn early when cmd is NULL, before touching cmd->sc_data_direction.","Type":"Description","Title":"scsi: qla2xxx: edif: Fix NULL pointer deref in RX SA delete chec"}]}}}