{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-72128", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-09T03:40:39.907Z", "datePublished": "2026-08-15T05:53:05.141Z", "dateUpdated": "2026-08-17T05:08:44.496Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-17T05:08:44.496Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnvmet: fix refcount leak in nvmet_sq_create()\n\nIn nvmet_sq_create(), a reference on the ctrl is taken\nvia kref_get_unless_zero() before calling nvmet_check_sqid().\nIf nvmet_check_sqid() fails, the function returns the error\ndirectly without releasing the reference, leading to a leak.\n\nFix this by jumping to the \"ctrl_put\" label, which already\nperforms the necessary nvmet_ctrl_put(ctrl). This ensures the\nreference is properly released on 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/nvme/target/core.c"], "versions": [{"version": "1eb380caf5275bba1d3d6182dde1fd740f331743", "lessThan": "26355295ce21cb046546085c3a81abe68160a784", "status": "affected", "versionType": "git"}, {"version": "1eb380caf5275bba1d3d6182dde1fd740f331743", "lessThan": "fcef60ed5f714a24104eb021d6397a67955ebeff", "status": "affected", "versionType": "git"}, {"version": "1eb380caf5275bba1d3d6182dde1fd740f331743", "lessThan": "34b9a83c50660148bde01cde16451dbe78369749", "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/nvme/target/core.c"], "versions": [{"version": "6.14", "status": "affected"}, {"version": "0", "lessThan": "6.14", "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": "6.14", "versionEndExcluding": "6.18.40"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.14", "versionEndExcluding": "7.1.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.14", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/26355295ce21cb046546085c3a81abe68160a784"}, {"url": "https://git.kernel.org/stable/c/fcef60ed5f714a24104eb021d6397a67955ebeff"}, {"url": "https://git.kernel.org/stable/c/34b9a83c50660148bde01cde16451dbe78369749"}], "title": "nvmet: fix refcount leak in nvmet_sq_create()", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/nvme/target/core.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "26355295ce21cb046546085c3a81abe68160a784", "status": "affected", "version": "1eb380caf5275bba1d3d6182dde1fd740f331743", "versionType": "git"}, {"lessThan": "fcef60ed5f714a24104eb021d6397a67955ebeff", "status": "affected", "version": "1eb380caf5275bba1d3d6182dde1fd740f331743", "versionType": "git"}, {"lessThan": "34b9a83c50660148bde01cde16451dbe78369749", "status": "affected", "version": "1eb380caf5275bba1d3d6182dde1fd740f331743", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/nvme/target/core.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.14"}, {"lessThan": "6.14", "status": "unaffected", "version": "0", "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\nnvmet: fix refcount leak in nvmet_sq_create()\n\nIn nvmet_sq_create(), a reference on the ctrl is taken\nvia kref_get_unless_zero() before calling nvmet_check_sqid().\nIf nvmet_check_sqid() fails, the function returns the error\ndirectly without releasing the reference, leading to a leak.\n\nFix this by jumping to the \"ctrl_put\" label, which already\nperforms the necessary nvmet_ctrl_put(ctrl). This ensures the\nreference is properly released on this error path."}], "id": "CVE-2026-72128", "lastModified": "2026-08-17T06:18:12.447", "metrics": {}, "published": "2026-08-15T06:21:30.217", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/26355295ce21cb046546085c3a81abe68160a784"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/34b9a83c50660148bde01cde16451dbe78369749"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/fcef60ed5f714a24104eb021d6397a67955ebeff"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: nvmet: fix refcount leak in nvmet_sq_create()", "id": "2516603", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2516603"}, "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-911", "details": ["A flaw was found in the `nvmet` (NVMe over Fabrics target) component of the Linux kernel. This vulnerability occurs in the `nvmet_sq_create()` function, where a reference to a controller object is not properly released if a specific check fails. An attacker could potentially exploit this reference count leak to exhaust system resources, leading to a denial of service (DoS)."], "name": "CVE-2026-72128", "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": "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": "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"}], "public_date": "2026-08-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-72128\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-72128\nhttps://lore.kernel.org/linux-cve-announce/2026081530-CVE-2026-72128-6027@gregkh/T"], "threat_severity": "Moderate"}