CVE-2017-7979

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2017-04-19T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "The cookie feature in the packet action API implementation in net/sched/act_api.c in the Linux kernel 4.11.x through 4.11-rc7 mishandles the tb nlattr array, which allows local users to cause a denial of service (uninitialized memory access and refcount underflow, and system hang or crash) or possibly have unspecified other impact via \"tc filter add\" commands in certain contexts. NOTE: this does not affect stable kernels, such as 4.10.x, from kernel.org."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2017-04-25T09:57:01.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "http://marc.info/?l=linux-netdev&m=149251041420195"}, {"tags": ["x_refsource_MISC"], "url": "https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1682368"}, {"tags": ["x_refsource_MISC"], "url": "https://bugzilla.proxmox.com/show_bug.cgi?id=1351"}, {"tags": ["x_refsource_MISC"], "url": "http://marc.info/?l=linux-netdev&m=149200742616349"}, {"tags": ["x_refsource_MISC"], "url": "http://marc.info/?l=linux-netdev&m=149200746116365"}, {"tags": ["x_refsource_MISC"], "url": "http://marc.info/?l=linux-netdev&m=149251041420194"}, {"tags": ["x_refsource_MISC"], "url": "http://marc.info/?l=linux-netdev&m=149200746116366"}, {"name": "97969", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/97969"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2017-7979", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "The cookie feature in the packet action API implementation in net/sched/act_api.c in the Linux kernel 4.11.x through 4.11-rc7 mishandles the tb nlattr array, which allows local users to cause a denial of service (uninitialized memory access and refcount underflow, and system hang or crash) or possibly have unspecified other impact via \"tc filter add\" commands in certain contexts. NOTE: this does not affect stable kernels, such as 4.10.x, from kernel.org."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "http://marc.info/?l=linux-netdev&m=149251041420195", "refsource": "MISC", "url": "http://marc.info/?l=linux-netdev&m=149251041420195"}, {"name": "https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1682368", "refsource": "MISC", "url": "https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1682368"}, {"name": "https://bugzilla.proxmox.com/show_bug.cgi?id=1351", "refsource": "MISC", "url": "https://bugzilla.proxmox.com/show_bug.cgi?id=1351"}, {"name": "http://marc.info/?l=linux-netdev&m=149200742616349", "refsource": "MISC", "url": "http://marc.info/?l=linux-netdev&m=149200742616349"}, {"name": "http://marc.info/?l=linux-netdev&m=149200746116365", "refsource": "MISC", "url": "http://marc.info/?l=linux-netdev&m=149200746116365"}, {"name": "http://marc.info/?l=linux-netdev&m=149251041420194", "refsource": "MISC", "url": "http://marc.info/?l=linux-netdev&m=149251041420194"}, {"name": "http://marc.info/?l=linux-netdev&m=149200746116366", "refsource": "MISC", "url": "http://marc.info/?l=linux-netdev&m=149200746116366"}, {"name": "97969", "refsource": "BID", "url": "http://www.securityfocus.com/bid/97969"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T16:19:29.630Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://marc.info/?l=linux-netdev&m=149251041420195"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1682368"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://bugzilla.proxmox.com/show_bug.cgi?id=1351"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://marc.info/?l=linux-netdev&m=149200742616349"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://marc.info/?l=linux-netdev&m=149200746116365"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://marc.info/?l=linux-netdev&m=149251041420194"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://marc.info/?l=linux-netdev&m=149200746116366"}, {"name": "97969", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/97969"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2017-7979", "datePublished": "2017-04-19T23:00:00.000Z", "dateReserved": "2017-04-19T00:00:00.000Z", "dateUpdated": "2024-08-05T16:19:29.630Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:4.11:rc1:*:*:*:*:*:*", "matchCriteriaId": "45227BEA-300E-4694-8ADE-D0FA7C560C83", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:4.11:rc2:*:*:*:*:*:*", "matchCriteriaId": "9F27DB1B-125C-416A-8DF1-80EE75E4F972", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:4.11:rc3:*:*:*:*:*:*", "matchCriteriaId": "64F78CCF-F54B-4D1C-AFA6-DE4076C3A263", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:4.11:rc4:*:*:*:*:*:*", "matchCriteriaId": "A659506C-868E-4E87-B0D8-E901BC2E9BDC", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:4.11:rc5:*:*:*:*:*:*", "matchCriteriaId": "ACE2C8C3-F2AA-4A39-9D81-B0F8BB82B834", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:4.11:rc6:*:*:*:*:*:*", "matchCriteriaId": "D67BFFD0-1A52-4F5D-98DB-D94B58FD8D30", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:4.11:rc7:*:*:*:*:*:*", "matchCriteriaId": "7D996F38-22AC-4059-84FC-F7D69CE0CB9B", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The cookie feature in the packet action API implementation in net/sched/act_api.c in the Linux kernel 4.11.x through 4.11-rc7 mishandles the tb nlattr array, which allows local users to cause a denial of service (uninitialized memory access and refcount underflow, and system hang or crash) or possibly have unspecified other impact via \"tc filter add\" commands in certain contexts. NOTE: this does not affect stable kernels, such as 4.10.x, from kernel.org."}, {"lang": "es", "value": "La caracter\u00edstica cookie en la implementaci\u00f3n del paquete de acci\u00f3n API en net/sched/act_api.c en el kernel de Linux 4.11.x hasta la versi\u00f3n 4.11-rc7 no maneja adecuadamente el array tb nlattr, lo que permite a usuarios locales provocar una denegaci\u00f3n de servicio (acceso a memoria no inicializado y desbordamiento inferior de conteo de referencias y cuelgue o ca\u00edda de sistema) o posiblemente tener otro impacto no especificado a trav\u00e9s de comandos \"tc filter add\" en ciertos contextos. NOTA: esto no afecta a kernels estables, como 4.10.x, de kernel.org."}], "id": "CVE-2017-7979", "lastModified": "2026-06-17T01:25:35.000", "metrics": {"cvssMetricV2": [{"acInsufInfo": true, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.2, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-04-19T23:59:00.153", "references": [{"source": "cve@mitre.org", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://marc.info/?l=linux-netdev&m=149200742616349"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://marc.info/?l=linux-netdev&m=149200746116365"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://marc.info/?l=linux-netdev&m=149200746116366"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://marc.info/?l=linux-netdev&m=149251041420194"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://marc.info/?l=linux-netdev&m=149251041420195"}, {"source": "cve@mitre.org", "url": "http://www.securityfocus.com/bid/97969"}, {"source": "cve@mitre.org", "tags": ["Issue Tracking", "Patch"], "url": "https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1682368"}, {"source": "cve@mitre.org", "tags": ["Issue Tracking", "Patch"], "url": "https://bugzilla.proxmox.com/show_bug.cgi?id=1351"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://marc.info/?l=linux-netdev&m=149200742616349"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://marc.info/?l=linux-netdev&m=149200746116365"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://marc.info/?l=linux-netdev&m=149200746116366"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://marc.info/?l=linux-netdev&m=149251041420194"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://marc.info/?l=linux-netdev&m=149251041420195"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/97969"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Patch"], "url": "https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1682368"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Patch"], "url": "https://bugzilla.proxmox.com/show_bug.cgi?id=1351"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: cookie feature in packet action API implementation mishandles tb nlattr array", "id": "1444501", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1444501"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["The cookie feature in the packet action API implementation in net/sched/act_api.c in the Linux kernel 4.11.x through 4.11-rc7 mishandles the tb nlattr array, which allows local users to cause a denial of service (uninitialized memory access and refcount underflow, and system hang or crash) or possibly have unspecified other impact via \"tc filter add\" commands in certain contexts. NOTE: this does not affect stable kernels, such as 4.10.x, from kernel.org."], "name": "CVE-2017-7979", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 5"}, {"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:/a:redhat:enterprise_mrg:2", "fix_state": "Not affected", "package_name": "realtime-kernel", "product_name": "Red Hat Enterprise MRG 2"}], "public_date": "2017-04-12T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2017-7979\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-7979"], "threat_severity": "Moderate"}

{}