CVE-2026-64526

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-64526", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-19T15:36:31.794Z", "datePublished": "2026-07-25T09:20:50.394Z", "dateUpdated": "2026-07-25T09:20:50.394Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-07-25T09:20:50.394Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nethtool: tsconfig: fix missing ethnl_ops_complete()\n\ntsconfig_prepare_data() calls ethnl_ops_begin(), we need to call\nethnl_ops_complete() before returning the error."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/ethtool/tsconfig.c"], "versions": [{"version": "6e9e2eed4f39d52edf5fd006409d211facf49f6b", "lessThan": "d02342d9bb4f0ab682f1846a4fbc15dd2955f7e6", "status": "affected", "versionType": "git"}, {"version": "6e9e2eed4f39d52edf5fd006409d211facf49f6b", "lessThan": "d53fe379d1f9a92e8a1bb2556084c8c177ebf8fd", "status": "affected", "versionType": "git"}, {"version": "6e9e2eed4f39d52edf5fd006409d211facf49f6b", "lessThan": "6386bd772de64e6760306eb91c7e86163af6c22f", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/ethtool/tsconfig.c"], "versions": [{"version": "6.14", "status": "affected"}, {"version": "0", "lessThan": "6.14", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.35", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.12", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1", "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": "6.18.35"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.14", "versionEndExcluding": "7.0.12"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.14", "versionEndExcluding": "7.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/d02342d9bb4f0ab682f1846a4fbc15dd2955f7e6"}, {"url": "https://git.kernel.org/stable/c/d53fe379d1f9a92e8a1bb2556084c8c177ebf8fd"}, {"url": "https://git.kernel.org/stable/c/6386bd772de64e6760306eb91c7e86163af6c22f"}], "title": "ethtool: tsconfig: fix missing ethnl_ops_complete()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["net/ethtool/tsconfig.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "d02342d9bb4f0ab682f1846a4fbc15dd2955f7e6", "status": "affected", "version": "6e9e2eed4f39d52edf5fd006409d211facf49f6b", "versionType": "git"}, {"lessThan": "d53fe379d1f9a92e8a1bb2556084c8c177ebf8fd", "status": "affected", "version": "6e9e2eed4f39d52edf5fd006409d211facf49f6b", "versionType": "git"}, {"lessThan": "6386bd772de64e6760306eb91c7e86163af6c22f", "status": "affected", "version": "6e9e2eed4f39d52edf5fd006409d211facf49f6b", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["net/ethtool/tsconfig.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": "6.18.35", "versionType": "semver"}, {"lessThanOrEqual": "7.0.*", "status": "unaffected", "version": "7.0.12", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.1", "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\nethtool: tsconfig: fix missing ethnl_ops_complete()\n\ntsconfig_prepare_data() calls ethnl_ops_begin(), we need to call\nethnl_ops_complete() before returning the error."}], "id": "CVE-2026-64526", "lastModified": "2026-11-03T18:15:39.353", "metrics": {}, "published": "2026-07-25T10:17:38.950", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6386bd772de64e6760306eb91c7e86163af6c22f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d02342d9bb4f0ab682f1846a4fbc15dd2955f7e6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d53fe379d1f9a92e8a1bb2556084c8c177ebf8fd"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: ethtool: tsconfig: fix missing ethnl_ops_complete()", "id": "2507093", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2507093"}, "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-459", "details": ["A flaw was found in the Linux kernel's ethtool tsconfig component. A missing cleanup function call after an operation could lead to resource exhaustion. This vulnerability may allow a local attacker to cause a Denial of Service (DoS) by depleting system resources."], "name": "CVE-2026-64526", "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": "2026-07-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-64526\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-64526\nhttps://lore.kernel.org/linux-cve-announce/2026072534-CVE-2026-64526-5201@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[6e9e2eed4f39d52edf5fd006409d211facf49f6b,d02342d9bb4f0ab682f1846a4fbc15dd2955f7e6)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[6e9e2eed4f39d52edf5fd006409d211facf49f6b,d53fe379d1f9a92e8a1bb2556084c8c177ebf8fd)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[6e9e2eed4f39d52edf5fd006409d211facf49f6b,6386bd772de64e6760306eb91c7e86163af6c22f)"}}], "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": "6.14"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.14)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.35,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.0.12,7.1.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.1,*]"}}], "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": "2026-07-26T04:15:02.825518+00:00", "updated": "2026-08-05T00:45:03.182096+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}