{"id":"CVE-2017-7979","state":"PUBLISHED","title":"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 use","description":"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.","publishedAt":"2017-04-19T23:00:00.000Z","updatedAt":"2024-08-05T16:19:29.630Z","severity":null,"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["http://marc.info/?l=linux-netdev&m=149251041420195","https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1682368","https://bugzilla.proxmox.com/show_bug.cgi?id=1351","http://marc.info/?l=linux-netdev&m=149200742616349","http://marc.info/?l=linux-netdev&m=149200746116365","http://marc.info/?l=linux-netdev&m=149251041420194","http://marc.info/?l=linux-netdev&m=149200746116366","http://www.securityfocus.com/bid/97969"],"weaknesses":[],"ingestedAt":"2026-10-29T19:43:54.997Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2017/7xxx/CVE-2017-7979.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2017-7979","state":"PUBLISHED","datePublished":"2017-04-19T23:00:00.000Z","dateUpdated":"2024-08-05T16:19:29.630Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2017-04-19T00:00:00.000Z"},"containers":{"cna":{"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."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"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","tags":["x_refsource_MISC"]},{"url":"http://www.securityfocus.com/bid/97969","name":"97969","tags":["vdb-entry","x_refsource_BID"]}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"mitre","dateUpdated":"2017-04-25T09:57:01.000Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca"},"datePublic":"2017-04-19T00:00:00.000Z","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":[{"title":"CVE Program Container","references":[{"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","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.securityfocus.com/bid/97969","name":"97969","tags":["vdb-entry","x_refsource_BID","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-05T16:19:29.630Z"}}]}}}