{"id":"CVE-2016-2383","aliases":["DEBIAN-CVE-2016-2383","EUVD-2016-3467","GHSA-64fh-798g-3h53","UBUNTU-CVE-2016-2383","USN-2947-2"],"status":"published","title":"The adjust_branches function in kernel/bpf/verifier.c in the Linux kernel before 4.5 does not...","description":"The adjust_branches function in kernel/bpf/verifier.c in the Linux kernel before 4.5 does not consider the delta in the backward-jump case, which allows local users to obtain sensitive information from kernel memory by creating a packet filter and then loading crafted BPF instructions.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00374,"percentile":0.31603,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2016-02-15T00:00:00Z","modified":"2026-09-22T07:00:08Z","fixes":[{"ecosystem":"Debian:12","package":"linux","fixed_in":["4.4.2-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"linux","fixed_in":["4.4.2-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"linux","fixed_in":["4.4.2-1"],"sources":["osv"]},{"ecosystem":"Ubuntu:14.04:LTS","package":"linux-lts-wily","fixed_in":["4.2.0-35.40~14.04.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"linux","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.2-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"linux","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.2-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"linux","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.2-1"}]}]},{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"linux-lts-wily","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.2.0-35.40~14.04.1"}]}],"versions":["4.2.0-18.22~14.04.1","4.2.0-19.23~14.04.1","4.2.0-21.25~14.04.1","4.2.0-22.27~14.04.1","4.2.0-23.28~14.04.1","4.2.0-25.30~14.04.1","4.2.0-27.32~14.04.1","4.2.0-30.35~14.04.1","4.2.0-30.36~14.04.1","4.2.0-34.39~14.04.1"]},{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"linux-lts-wily","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.2.0-35.40~14.04.1"}]}],"versions":["4.2.0-18.22~14.04.1","4.2.0-19.23~14.04.1","4.2.0-21.25~14.04.1","4.2.0-22.27~14.04.1","4.2.0-23.28~14.04.1","4.2.0-25.30~14.04.1","4.2.0-27.32~14.04.1","4.2.0-30.35~14.04.1","4.2.0-30.36~14.04.1","4.2.0-34.39~14.04.1"],"bundled":6}],"products":[{"vendor":"canonical","product":"ubuntu_linux"},{"vendor":"linux","product":"linux_kernel"},{"vendor":"opensuse","product":"leap"}],"references":[{"url":"https://github.com/torvalds/linux/commit/a1b14d27ed0965838350f1377ff97c93ee383492","tags":["x_refsource_CONFIRM","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"http://www.ubuntu.com/usn/USN-2947-3","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","Third Party Advisory","advisory"]},{"url":"http://www.ubuntu.com/usn/USN-2947-2","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","Third Party Advisory","advisory"]},{"url":"http://www.ubuntu.com/usn/USN-2947-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","Third Party Advisory","advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2016/02/14/1","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory","advisory","report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1308452","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","Third Party Advisory","report"]},{"url":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a1b14d27ed0965838350f1377ff97c93ee383492","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory","fix"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-2383"},{"url":"https://github.com/advisories/GHSA-64fh-798g-3h53"},{"url":"https://security-tracker.debian.org/tracker/CVE-2016-2383","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2016-2383","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-2947-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/notices/USN-2947-2","tags":["advisory"]},{"url":"https://ubuntu.com/security/notices/USN-2947-3","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2016-2383","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2015-7833","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2015-8812","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2016-2085","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2016-2550","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2016-2847","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2016-2383","description":"The adjust_branches function in kernel/bpf/verifier.c in the Linux kernel before 4.5 does not consider the delta in the backward-jump case, which allows local users to obtain sensitive information from kernel memory by creating a packet filter and then loading crafted BPF instructions.","status":"published","published":"2016-04-27T17:00:00Z","modified":"2024-08-05T23:24:49.267Z","updated_at":"2026-11-02T14:33:33.424551Z"}],"euvd":[{"id":"EUVD-2016-3467","description":"The adjust_branches function in kernel/bpf/verifier.c in the Linux kernel before 4.5 does not consider the delta in the backward-jump case, which allows local users to obtain sensitive information from kernel memory by creating a packet filter and then loading crafted BPF instructions.","status":"published","published":"2016-04-27T17:00:00Z","modified":"2024-08-05T23:24:49Z","updated_at":"2026-11-03T02:22:53.17975Z"}],"ghsa":[{"id":"GHSA-64fh-798g-3h53","title":"The adjust_branches function in kernel/bpf/verifier.c in the Linux kernel before 4.5 does not...","description":"The adjust_branches function in kernel/bpf/verifier.c in the Linux kernel before 4.5 does not consider the delta in the backward-jump case, which allows local users to obtain sensitive information from kernel memory by creating a packet filter and then loading crafted BPF instructions.","status":"published","published":"2022-05-13T01:04:09Z","modified":"2023-02-01T05:02:45Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T14:49:57.916243Z"}],"nvd":[{"id":"CVE-2016-2383","description":"The adjust_branches function in kernel/bpf/verifier.c in the Linux kernel before 4.5 does not consider the delta in the backward-jump case, which allows local users to obtain sensitive information from kernel memory by creating a packet filter and then loading crafted BPF instructions.","status":"published","published":"2016-04-27T17:59:10.943Z","modified":"2026-06-17T00:43:56.34Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"updated_at":"2026-11-02T14:03:23.795791Z"}],"osv":[{"id":"CVE-2016-2383","description":"The adjust_branches function in kernel/bpf/verifier.c in the Linux kernel before 4.5 does not consider the delta in the backward-jump case, which allows local users to obtain sensitive information from kernel memory by creating a packet filter and then loading crafted BPF instructions.","status":"published","published":"2016-04-27T17:59:10.943Z","modified":"2026-03-15T22:21:56.95853Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:02.114472Z"},{"id":"DEBIAN-CVE-2016-2383","description":"The adjust_branches function in kernel/bpf/verifier.c in the Linux kernel before 4.5 does not consider the delta in the backward-jump case, which allows local users to obtain sensitive information from kernel memory by creating a packet filter and then loading crafted BPF instructions.","status":"published","published":"2016-04-27T17:59:10.943Z","modified":"2026-09-22T07:00:08.750203777Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:45:27.627285Z"},{"id":"UBUNTU-CVE-2016-2383","description":"The adjust_branches function in kernel/bpf/verifier.c in the Linux kernel before 4.5 does not consider the delta in the backward-jump case, which allows local users to obtain sensitive information from kernel memory by creating a packet filter and then loading crafted BPF instructions.","status":"published","published":"2016-02-15T00:00:00Z","modified":"2026-02-04T03:28:44.830708Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"},{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:54:11.872222Z"},{"id":"USN-2947-2","title":"linux-lts-wily vulnerabilities","description":"Ralf Spenneberg discovered that the usbvision driver in the Linux kernel\ndid not properly validate the interfaces and endpoints reported by the\ndevice. An attacker with physical access could cause a denial of service\n(system crash). (CVE-2015-7833)\n\nVenkatesh Pottem discovered a use-after-free vulnerability in the Linux\nkernel's CXGB3 driver. A local attacker could use this to cause a denial of\nservice (system crash) or possibly execute arbitrary code. (CVE-2015-8812)\n\nXiaofei Rex Guo discovered a timing side channel vulnerability in the Linux\nExtended Verification Module (EVM). An attacker could use this to affect\nsystem integrity. (CVE-2016-2085)\n\nIt was discovered that the extended Berkeley Packet Filter (eBPF)\nimplementation in the Linux kernel did not correctly compute branch offsets\nfor backward jumps after ctx expansion. A local attacker could use this to\ncause a denial of service (system crash) or possibly execute arbitrary\ncode. (CVE-2016-2383)\n\nDavid Herrmann discovered that the Linux kernel incorrectly accounted file\ndescriptors to the original opener for in-flight file descriptors sent over\na unix domain socket. A local attacker could use this to cause a denial of\nservice (resource exhaustion). (CVE-2016-2550)\n\nIt was discovered that the Linux kernel did not enforce limits on the\namount of data allocated to buffer pipes. A local attacker could use this\nto cause a denial of service (resource exhaustion). (CVE-2016-2847)\n","status":"published","published":"2016-04-06T06:59:29Z","modified":"2026-02-10T04:40:58Z","updated_at":"2026-11-02T16:58:10.303275Z"}]}}