CVE-2026-72081

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-72081", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-09T03:40:39.904Z", "datePublished": "2026-08-15T05:52:30.545Z", "dateUpdated": "2026-08-17T05:07:51.232Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-17T05:07:51.232Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: elx: efct: Fix I/O leak on unsupported additional CDB\n\nefct_dispatch_fcp_cmd() allocates an efct_io before dispatching an\nunsolicited FCP command. If the command has an unsupported additional\nCDB, the function returns -EIO before handing the IO to the SCSI layer.\n\nFree the allocated IO before returning from this error path."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/scsi/elx/efct/efct_unsol.c"], "versions": [{"version": "f45ae6aac0a077ca15a6e7baae0a62eef099ea7d", "lessThan": "42a391d508e1f52fda5d81344e100a53c00898e3", "status": "affected", "versionType": "git"}, {"version": "f45ae6aac0a077ca15a6e7baae0a62eef099ea7d", "lessThan": "9d479f50a6067954259414aa66d816c7df081286", "status": "affected", "versionType": "git"}, {"version": "f45ae6aac0a077ca15a6e7baae0a62eef099ea7d", "lessThan": "8c689a8f229223cec4a821c65cfe40f8e8c56470", "status": "affected", "versionType": "git"}, {"version": "f45ae6aac0a077ca15a6e7baae0a62eef099ea7d", "lessThan": "235159f75ab6f95484494db4cc031663e5ee4680", "status": "affected", "versionType": "git"}, {"version": "f45ae6aac0a077ca15a6e7baae0a62eef099ea7d", "lessThan": "df87532e9212238509f23effd0ca39d9c3062d21", "status": "affected", "versionType": "git"}, {"version": "f45ae6aac0a077ca15a6e7baae0a62eef099ea7d", "lessThan": "94cbfed191248dc88c23fc881119bb399486ddfd", "status": "affected", "versionType": "git"}, {"version": "f45ae6aac0a077ca15a6e7baae0a62eef099ea7d", "lessThan": "9cb2d5291dbfe7bed565ead3337047dee9ed1064", "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/elx/efct/efct_unsol.c"], "versions": [{"version": "5.14", "status": "affected"}, {"version": "0", "lessThan": "5.14", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.212", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.178", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.145", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.97", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.40", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.5", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "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": "5.14", "versionEndExcluding": "5.15.212"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.1.178"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.6.145"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.12.97"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.18.40"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "7.1.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/42a391d508e1f52fda5d81344e100a53c00898e3"}, {"url": "https://git.kernel.org/stable/c/9d479f50a6067954259414aa66d816c7df081286"}, {"url": "https://git.kernel.org/stable/c/8c689a8f229223cec4a821c65cfe40f8e8c56470"}, {"url": "https://git.kernel.org/stable/c/235159f75ab6f95484494db4cc031663e5ee4680"}, {"url": "https://git.kernel.org/stable/c/df87532e9212238509f23effd0ca39d9c3062d21"}, {"url": "https://git.kernel.org/stable/c/94cbfed191248dc88c23fc881119bb399486ddfd"}, {"url": "https://git.kernel.org/stable/c/9cb2d5291dbfe7bed565ead3337047dee9ed1064"}], "title": "scsi: elx: efct: Fix I/O leak on unsupported additional CDB", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/scsi/elx/efct/efct_unsol.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "42a391d508e1f52fda5d81344e100a53c00898e3", "status": "affected", "version": "f45ae6aac0a077ca15a6e7baae0a62eef099ea7d", "versionType": "git"}, {"lessThan": "9d479f50a6067954259414aa66d816c7df081286", "status": "affected", "version": "f45ae6aac0a077ca15a6e7baae0a62eef099ea7d", "versionType": "git"}, {"lessThan": "8c689a8f229223cec4a821c65cfe40f8e8c56470", "status": "affected", "version": "f45ae6aac0a077ca15a6e7baae0a62eef099ea7d", "versionType": "git"}, {"lessThan": "235159f75ab6f95484494db4cc031663e5ee4680", "status": "affected", "version": "f45ae6aac0a077ca15a6e7baae0a62eef099ea7d", "versionType": "git"}, {"lessThan": "df87532e9212238509f23effd0ca39d9c3062d21", "status": "affected", "version": "f45ae6aac0a077ca15a6e7baae0a62eef099ea7d", "versionType": "git"}, {"lessThan": "94cbfed191248dc88c23fc881119bb399486ddfd", "status": "affected", "version": "f45ae6aac0a077ca15a6e7baae0a62eef099ea7d", "versionType": "git"}, {"lessThan": "9cb2d5291dbfe7bed565ead3337047dee9ed1064", "status": "affected", "version": "f45ae6aac0a077ca15a6e7baae0a62eef099ea7d", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/scsi/elx/efct/efct_unsol.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.14"}, {"lessThan": "5.14", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.212", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.178", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.145", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.97", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.40", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.5", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2", "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: elx: efct: Fix I/O leak on unsupported additional CDB\n\nefct_dispatch_fcp_cmd() allocates an efct_io before dispatching an\nunsolicited FCP command. If the command has an unsupported additional\nCDB, the function returns -EIO before handing the IO to the SCSI layer.\n\nFree the allocated IO before returning from this error path."}], "id": "CVE-2026-72081", "lastModified": "2026-08-17T06:18:06.840", "metrics": {}, "published": "2026-08-15T06:21:18.133", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/235159f75ab6f95484494db4cc031663e5ee4680"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/42a391d508e1f52fda5d81344e100a53c00898e3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8c689a8f229223cec4a821c65cfe40f8e8c56470"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/94cbfed191248dc88c23fc881119bb399486ddfd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9cb2d5291dbfe7bed565ead3337047dee9ed1064"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9d479f50a6067954259414aa66d816c7df081286"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/df87532e9212238509f23effd0ca39d9c3062d21"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: scsi: elx: efct: Fix I/O leak on unsupported additional CDB", "id": "2516504", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2516504"}, "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-772", "details": ["A flaw was found in the Linux kernel's scsi: elx: efct driver. When processing an unsolicited Fibre Channel Protocol (FCP) command that contains an unsupported additional Command Descriptor Block (CDB), the system fails to properly free allocated I/O resources. This resource leak can lead to resource exhaustion over time, potentially resulting in a Denial of Service (DoS) for the system."], "name": "CVE-2026-72081", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-08-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-72081\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-72081\nhttps://lore.kernel.org/linux-cve-announce/2026081521-CVE-2026-72081-4dd5@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[f45ae6aac0a077ca15a6e7baae0a62eef099ea7d,42a391d508e1f52fda5d81344e100a53c00898e3)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[f45ae6aac0a077ca15a6e7baae0a62eef099ea7d,9d479f50a6067954259414aa66d816c7df081286)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[f45ae6aac0a077ca15a6e7baae0a62eef099ea7d,8c689a8f229223cec4a821c65cfe40f8e8c56470)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[f45ae6aac0a077ca15a6e7baae0a62eef099ea7d,235159f75ab6f95484494db4cc031663e5ee4680)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[f45ae6aac0a077ca15a6e7baae0a62eef099ea7d,df87532e9212238509f23effd0ca39d9c3062d21)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[f45ae6aac0a077ca15a6e7baae0a62eef099ea7d,94cbfed191248dc88c23fc881119bb399486ddfd)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[f45ae6aac0a077ca15a6e7baae0a62eef099ea7d,9cb2d5291dbfe7bed565ead3337047dee9ed1064)"}}], "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": "semver", "value": "5.14"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,5.14)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.15.212,5.16.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.178,6.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.145,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.97,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.40,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.5,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2-rc4,*]"}}], "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": "2026-08-15T08:30:06.147934+00:00", "updated": "2026-08-18T02:30:03.486906+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-401", "CWE-772"]}