{ "CVE_data_meta" : { "ASSIGNER" : "cve@mitre.org", "ID" : "CVE-2016-4557", "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 replace_map_fd_with_map_ptr function in kernel/bpf/verifier.c in the Linux kernel before 4.5.5 does not properly maintain an fd data structure, which allows local users to gain privileges or cause a denial of service (use-after-free) via crafted BPF instructions that reference an incorrect file descriptor." } ] }, "problemtype" : { "problemtype_data" : [ { "description" : [ { "lang" : "eng", "value" : "n/a" } ] } ] }, "references" : { "reference_data" : [ { "name" : "40759", "refsource" : "EXPLOIT-DB", "url" : "https://www.exploit-db.com/exploits/40759/" }, { "name" : "[oss-security] 20160506 CVE Requests: Linux: BPF flaws (one use-after-free / local root privilege escalation)", "refsource" : "MLIST", "url" : "http://www.openwall.com/lists/oss-security/2016/05/06/4" }, { "name" : "https://bugs.chromium.org/p/project-zero/issues/detail?id=808", "refsource" : "MISC", "url" : "https://bugs.chromium.org/p/project-zero/issues/detail?id=808" }, { "name" : "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8358b02bf67d3a5d8a825070e1aa73f25fb2e4c7", "refsource" : "CONFIRM", "url" : "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8358b02bf67d3a5d8a825070e1aa73f25fb2e4c7" }, { "name" : "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.5", "refsource" : "CONFIRM", "url" : "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.5" }, { "name" : "https://bugs.debian.org/823603", "refsource" : "CONFIRM", "url" : "https://bugs.debian.org/823603" }, { "name" : "https://bugzilla.redhat.com/show_bug.cgi?id=1334307", "refsource" : "CONFIRM", "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1334307" }, { "name" : "https://github.com/torvalds/linux/commit/8358b02bf67d3a5d8a825070e1aa73f25fb2e4c7", "refsource" : "CONFIRM", "url" : "https://github.com/torvalds/linux/commit/8358b02bf67d3a5d8a825070e1aa73f25fb2e4c7" }, { "name" : "openSUSE-SU-2016:1641", "refsource" : "SUSE", "url" : "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.html" } ] } }