CVE-2016-2383
Published Apr 27, 2016
Last updated 3 years ago
Overview
- 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.
- Source
- security@debian.org
- NVD status
- Analyzed
Social media
- Hype score
- Not currently trending
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 5.5
- Impact score
- 3.6
- Exploitability score
- 1.8
- Vector string
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- Severity
- MEDIUM
CVSS 2.0
- Type
- Primary
- Base score
- 2.1
- Impact score
- 2.9
- Exploitability score
- 3.9
- Vector string
- AV:L/AC:L/Au:N/C:P/I:N/A:N
Weaknesses
- nvd@nist.gov
- NVD-CWE-noinfo
Configurations
[ { "nodes": [ { "negate": false, "cpeMatch": [ { "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8B6177A4-8E9B-448D-A6C1-1F88863DE391", "versionEndExcluding": "4.5.0" }, { "criteria": "cpe:2.3:o:linux:linux_kernel:4.5.0:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2BEB8150-FFE5-47FA-A056-9029F00744AA" }, { "criteria": "cpe:2.3:o:linux:linux_kernel:4.5.0:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1D74F82A-BF09-477E-A12B-6E8ED832486E" }, { "criteria": "cpe:2.3:o:linux:linux_kernel:4.5.0:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "57CCE12F-9DF0-4378-ABAA-BF94A361E569" } ], "operator": "OR" } ] }, { "nodes": [ { "negate": false, "cpeMatch": [ { "criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*", "vulnerable": true, "matchCriteriaId": "815D70A8-47D3-459C-A32C-9FEACA0659D1" }, { "criteria": "cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E88A537F-F4D0-46B9-9E37-965233C2A355" }, { "criteria": "cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4863BE36-D16A-4D75-90D9-FD76DB5B48B7" } ], "operator": "OR" } ] } ]