CVE-2026-97951

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-97951", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:18:58.205Z", "datePublished": "2026-09-25T10:22:59.559Z", "dateUpdated": "2026-10-19T09:11:17.515Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T09:11:17.515Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: target: iscsi: Fix hang for aborted WRITE_PENDING commands\n\nWhen a LUN_RESET aborts a WRITE command that is in the\nTRANSPORT_WRITE_PENDING state, the target core sets CMD_T_ABORTED and\nwaits for the frontend to finish processing.\n\nIf the initiator subsequently sends the remaining dataout PDUs,\n__iscsit_check_dataout_hdr() catches the payload, stops the dataout\ntimer if the sequence is final and finally dumps the data. However, the\niSCSI target doesn't trigger the completion process for these aborted\ncommands. Because of this, the abort path hangs indefinitely in\ntarget_put_cmd_and_wait(), leading to a deadlocked target worker thread.\n\nFix this by explicitly calling target_complete_cmd() when the final\ndataout PDU is received for an aborted WRITE command.\ntarget_complete_cmd() detects the CMD_T_ABORTED flag and cleanly routes\nthe command into target_abort_work, allowing the abort completion to\nsuccessfully unblock."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/target/iscsi/iscsi_target.c"], "versions": [{"version": "2c9fa49e100f962af988f1c0529231bf14905cda", "lessThan": "b070c8b4b237d55bdac13da3c5a994491177b312", "status": "affected", "versionType": "git"}, {"version": "2c9fa49e100f962af988f1c0529231bf14905cda", "lessThan": "19315262991dc983cc5c5c2ed24ff768abbf9339", "status": "affected", "versionType": "git"}, {"version": "2c9fa49e100f962af988f1c0529231bf14905cda", "lessThan": "f806f54ae3de780b8f4139baefc95b81c599cf9f", "status": "affected", "versionType": "git"}, {"version": "2c9fa49e100f962af988f1c0529231bf14905cda", "lessThan": "9c777f8e0cb0486fdf16db8ffea32e562a31e85b", "status": "affected", "versionType": "git"}, {"version": "2c9fa49e100f962af988f1c0529231bf14905cda", "lessThan": "638cf7c0cf64d5bb5704c3a78b54ae6602f69a32", "status": "affected", "versionType": "git"}, {"version": "2c9fa49e100f962af988f1c0529231bf14905cda", "lessThan": "f6f6351e98c77c27b51763ef52deb2efe4b46ac7", "status": "affected", "versionType": "git"}, {"version": "2c9fa49e100f962af988f1c0529231bf14905cda", "lessThan": "37f7f54d06c6100511979d6e9c1222b404e3f006", "status": "affected", "versionType": "git"}, {"version": "2c9fa49e100f962af988f1c0529231bf14905cda", "lessThan": "d5869dae5080e976d4b03cc33eb7ceb527f242bf", "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/target/iscsi/iscsi_target.c"], "versions": [{"version": "5.0", "status": "affected"}, {"version": "0", "lessThan": "5.0", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.271", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.222", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.189", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.158", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.111", "lessThanOrEqual": "6.12.*", "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", "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": "5.0", "versionEndExcluding": "5.10.271"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.0", "versionEndExcluding": "5.15.222"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.0", "versionEndExcluding": "6.1.189"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.0", "versionEndExcluding": "6.6.158"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.0", "versionEndExcluding": "6.12.111"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.0", "versionEndExcluding": "6.18.53"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.0", "versionEndExcluding": "7.2.7"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.0", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/b070c8b4b237d55bdac13da3c5a994491177b312"}, {"url": "https://git.kernel.org/stable/c/19315262991dc983cc5c5c2ed24ff768abbf9339"}, {"url": "https://git.kernel.org/stable/c/f806f54ae3de780b8f4139baefc95b81c599cf9f"}, {"url": "https://git.kernel.org/stable/c/9c777f8e0cb0486fdf16db8ffea32e562a31e85b"}, {"url": "https://git.kernel.org/stable/c/638cf7c0cf64d5bb5704c3a78b54ae6602f69a32"}, {"url": "https://git.kernel.org/stable/c/f6f6351e98c77c27b51763ef52deb2efe4b46ac7"}, {"url": "https://git.kernel.org/stable/c/37f7f54d06c6100511979d6e9c1222b404e3f006"}, {"url": "https://git.kernel.org/stable/c/d5869dae5080e976d4b03cc33eb7ceb527f242bf"}], "title": "scsi: target: iscsi: Fix hang for aborted WRITE_PENDING commands", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/target/iscsi/iscsi_target.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "b070c8b4b237d55bdac13da3c5a994491177b312", "status": "affected", "version": "2c9fa49e100f962af988f1c0529231bf14905cda", "versionType": "git"}, {"lessThan": "19315262991dc983cc5c5c2ed24ff768abbf9339", "status": "affected", "version": "2c9fa49e100f962af988f1c0529231bf14905cda", "versionType": "git"}, {"lessThan": "f806f54ae3de780b8f4139baefc95b81c599cf9f", "status": "affected", "version": "2c9fa49e100f962af988f1c0529231bf14905cda", "versionType": "git"}, {"lessThan": "9c777f8e0cb0486fdf16db8ffea32e562a31e85b", "status": "affected", "version": "2c9fa49e100f962af988f1c0529231bf14905cda", "versionType": "git"}, {"lessThan": "638cf7c0cf64d5bb5704c3a78b54ae6602f69a32", "status": "affected", "version": "2c9fa49e100f962af988f1c0529231bf14905cda", "versionType": "git"}, {"lessThan": "f6f6351e98c77c27b51763ef52deb2efe4b46ac7", "status": "affected", "version": "2c9fa49e100f962af988f1c0529231bf14905cda", "versionType": "git"}, {"lessThan": "37f7f54d06c6100511979d6e9c1222b404e3f006", "status": "affected", "version": "2c9fa49e100f962af988f1c0529231bf14905cda", "versionType": "git"}, {"lessThan": "d5869dae5080e976d4b03cc33eb7ceb527f242bf", "status": "affected", "version": "2c9fa49e100f962af988f1c0529231bf14905cda", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/target/iscsi/iscsi_target.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.0"}, {"lessThan": "5.0", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.271", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.222", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.189", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.158", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.111", "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", "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: target: iscsi: Fix hang for aborted WRITE_PENDING commands\n\nWhen a LUN_RESET aborts a WRITE command that is in the\nTRANSPORT_WRITE_PENDING state, the target core sets CMD_T_ABORTED and\nwaits for the frontend to finish processing.\n\nIf the initiator subsequently sends the remaining dataout PDUs,\n__iscsit_check_dataout_hdr() catches the payload, stops the dataout\ntimer if the sequence is final and finally dumps the data. However, the\niSCSI target doesn't trigger the completion process for these aborted\ncommands. Because of this, the abort path hangs indefinitely in\ntarget_put_cmd_and_wait(), leading to a deadlocked target worker thread.\n\nFix this by explicitly calling target_complete_cmd() when the final\ndataout PDU is received for an aborted WRITE command.\ntarget_complete_cmd() detects the CMD_T_ABORTED flag and cleanly routes\nthe command into target_abort_work, allowing the abort completion to\nsuccessfully unblock."}], "id": "CVE-2026-97951", "lastModified": "2026-10-19T10:17:46.330", "metrics": {}, "published": "2026-09-25T11:17:22.673", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/19315262991dc983cc5c5c2ed24ff768abbf9339"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/37f7f54d06c6100511979d6e9c1222b404e3f006"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/638cf7c0cf64d5bb5704c3a78b54ae6602f69a32"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9c777f8e0cb0486fdf16db8ffea32e562a31e85b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b070c8b4b237d55bdac13da3c5a994491177b312"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d5869dae5080e976d4b03cc33eb7ceb527f242bf"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f6f6351e98c77c27b51763ef52deb2efe4b46ac7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f806f54ae3de780b8f4139baefc95b81c599cf9f"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: scsi: target: iscsi: Fix hang for aborted WRITE_PENDING commands", "id": "2541036", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2541036"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-833", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nscsi: target: iscsi: Fix hang for aborted WRITE_PENDING commands\nWhen a LUN_RESET aborts a WRITE command that is in the\nTRANSPORT_WRITE_PENDING state, the target core sets CMD_T_ABORTED and\nwaits for the frontend to finish processing.\nIf the initiator subsequently sends the remaining dataout PDUs,\n__iscsit_check_dataout_hdr() catches the payload, stops the dataout\ntimer if the sequence is final and finally dumps the data. However, the\niSCSI target doesn't trigger the completion process for these aborted\ncommands. Because of this, the abort path hangs indefinitely in\ntarget_put_cmd_and_wait(), leading to a deadlocked target worker thread.\nFix this by explicitly calling target_complete_cmd() when the final\ndataout PDU is received for an aborted WRITE command.\ntarget_complete_cmd() detects the CMD_T_ABORTED flag and cleanly routes\nthe command into target_abort_work, allowing the abort completion to\nsuccessfully unblock.", "A flaw was found in the Linux kernel's iSCSI (Internet Small Computer Systems Interface) target subsystem. A remote client can trigger a Denial of Service (DoS) by sending remaining data packets for a write request that was aborted by a device reset command. Because the subsystem fails to signal completion for the canceled operation, the worker thread hangs indefinitely, resulting in a thread deadlock."], "name": "CVE-2026-97951", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openshift/ose-rhel-coreos-8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openshift/ose-rhel-coreos-9", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-09-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-97951\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-97951\nhttps://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-97951.mbox"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,638cf7c0cf64d5bb5704c3a78b54ae6602f69a32)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,f6f6351e98c77c27b51763ef52deb2efe4b46ac7)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,37f7f54d06c6100511979d6e9c1222b404e3f006)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,d5869dae5080e976d4b03cc33eb7ceb527f242bf)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,6.12.111)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,6.18.53)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,7.2.7)"}}], "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": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.111,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.53,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.7,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3-rc2,*]"}}], "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": "2026-09-25T15:00:20.850568+00:00", "updated": "2026-10-01T08:15:05.205205+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}