{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-97530", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-24T16:01:01.153Z", "datePublished": "2026-09-25T10:21:31.326Z", "dateUpdated": "2026-09-25T10:21:31.326Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-09-25T10:21:31.326Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: Fix soft lockup polling continuation IOCB signature\n\nqla27xx_copy_multiple_pkt() and qla27xx_copy_fpin_pkt() poll\nrsp_q->ring_ptr->signature for RESPONSE_PROCESSED (0xDEADDEAD) to decide\nwhether the next continuation IOCB has arrived, spinning on cpu_relax()\nwithout advancing the ring or decrementing the entry count while it has\nnot. response_t::signature lives at byte offset 60, but a continuation\nIOCB (sts_cont_entry_t / struct sts_cont_entry_ext) carries raw FC frame\npayload at that offset (data[56..59]). A received frame whose payload\nbytes happen to equal 0xDEADDEAD is therefore misread as \"not yet\narrived\", and the loop spins forever in interrupt/DPC context, causing a\nCPU soft lockup.\n\nThe poll is also unnecessary: callers of qla27xx_copy_multiple_pkt()\n(PT_LS4_UNSOL and the NVMe purls path) already gate on\nqla_chk_cont_iocb_avail(), which guarantees all entry_count IOCBs are\npresent before copying begins. The sibling helper\n__qla_copy_purex_to_buffer() already drops the signature poll and relies\non the entry_type == STATUS_CONT_TYPE guard instead.\n\nRemove the signature busy-wait from both helpers, keeping the entry_type\nguard, and gate the FPIN path with qla_chk_cont_iocb_avail() so it defers\nand re-processes on the next interrupt once all continuation IOCBs have\narrived, mirroring the ELS_AUTH_ELS and PT_LS4_UNSOL arms. With this the\nsignature field is never read on a continuation IOCB, eliminating the\npayload-aliasing lockup."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/scsi/qla2xxx/qla_isr.c"], "versions": [{"version": "9f2475fe7406b8ef5f97099c4980021344872d9f", "lessThan": "6e6c2ba9022eb8f9b062c81bdc6fd24c7b4c4c16", "status": "affected", "versionType": "git"}, {"version": "9f2475fe7406b8ef5f97099c4980021344872d9f", "lessThan": "6aa722fca9d2aa1f64094101587f8f4a2f83f6aa", "status": "affected", "versionType": "git"}, {"version": "9f2475fe7406b8ef5f97099c4980021344872d9f", "lessThan": "d7e3fa7d06bf7fcaac186d3c4d635caac166d36c", "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/scsi/qla2xxx/qla_isr.c"], "versions": [{"version": "5.9", "status": "affected"}, {"version": "0", "lessThan": "5.9", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.53", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.7", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3-rc1", "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": "5.9", "versionEndExcluding": "6.18.53"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.9", "versionEndExcluding": "7.2.7"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.9", "versionEndExcluding": "7.3-rc1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/6e6c2ba9022eb8f9b062c81bdc6fd24c7b4c4c16"}, {"url": "https://git.kernel.org/stable/c/6aa722fca9d2aa1f64094101587f8f4a2f83f6aa"}, {"url": "https://git.kernel.org/stable/c/d7e3fa7d06bf7fcaac186d3c4d635caac166d36c"}], "title": "scsi: qla2xxx: Fix soft lockup polling continuation IOCB signature", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/scsi/qla2xxx/qla_isr.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "6e6c2ba9022eb8f9b062c81bdc6fd24c7b4c4c16", "status": "affected", "version": "9f2475fe7406b8ef5f97099c4980021344872d9f", "versionType": "git"}, {"lessThan": "6aa722fca9d2aa1f64094101587f8f4a2f83f6aa", "status": "affected", "version": "9f2475fe7406b8ef5f97099c4980021344872d9f", "versionType": "git"}, {"lessThan": "d7e3fa7d06bf7fcaac186d3c4d635caac166d36c", "status": "affected", "version": "9f2475fe7406b8ef5f97099c4980021344872d9f", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/scsi/qla2xxx/qla_isr.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.9"}, {"lessThan": "5.9", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.53", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.7", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3-rc1", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: Fix soft lockup polling continuation IOCB signature\n\nqla27xx_copy_multiple_pkt() and qla27xx_copy_fpin_pkt() poll\nrsp_q->ring_ptr->signature for RESPONSE_PROCESSED (0xDEADDEAD) to decide\nwhether the next continuation IOCB has arrived, spinning on cpu_relax()\nwithout advancing the ring or decrementing the entry count while it has\nnot. response_t::signature lives at byte offset 60, but a continuation\nIOCB (sts_cont_entry_t / struct sts_cont_entry_ext) carries raw FC frame\npayload at that offset (data[56..59]). A received frame whose payload\nbytes happen to equal 0xDEADDEAD is therefore misread as \"not yet\narrived\", and the loop spins forever in interrupt/DPC context, causing a\nCPU soft lockup.\n\nThe poll is also unnecessary: callers of qla27xx_copy_multiple_pkt()\n(PT_LS4_UNSOL and the NVMe purls path) already gate on\nqla_chk_cont_iocb_avail(), which guarantees all entry_count IOCBs are\npresent before copying begins. The sibling helper\n__qla_copy_purex_to_buffer() already drops the signature poll and relies\non the entry_type == STATUS_CONT_TYPE guard instead.\n\nRemove the signature busy-wait from both helpers, keeping the entry_type\nguard, and gate the FPIN path with qla_chk_cont_iocb_avail() so it defers\nand re-processes on the next interrupt once all continuation IOCBs have\narrived, mirroring the ELS_AUTH_ELS and PT_LS4_UNSOL arms. With this the\nsignature field is never read on a continuation IOCB, eliminating the\npayload-aliasing lockup."}], "id": "CVE-2026-97530", "lastModified": "2026-09-25T11:17:03.200", "metrics": {}, "published": "2026-09-25T11:17:03.200", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6aa722fca9d2aa1f64094101587f8f4a2f83f6aa"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6e6c2ba9022eb8f9b062c81bdc6fd24c7b4c4c16"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d7e3fa7d06bf7fcaac186d3c4d635caac166d36c"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[9f2475fe7406b8ef5f97099c4980021344872d9f,6e6c2ba9022eb8f9b062c81bdc6fd24c7b4c4c16)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[9f2475fe7406b8ef5f97099c4980021344872d9f,6aa722fca9d2aa1f64094101587f8f4a2f83f6aa)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[9f2475fe7406b8ef5f97099c4980021344872d9f,d7e3fa7d06bf7fcaac186d3c4d635caac166d36c)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[5.9,5.9]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,5.9)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.53,7.0.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.7,8.0.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.3-rc1,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-09-25T15:15:14.337552+00:00", "updated": "2026-09-25T15:15:14.337583+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}