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.
Published: 2016-04-27
Score: 5.5 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
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Advisories
Source ID Title
EUVD EUVD EUVD-2016-3467 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.
Ubuntu USN Ubuntu USN USN-2947-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-2947-2 Linux kernel (Wily HWE) vulnerabilities
Ubuntu USN Ubuntu USN USN-2947-3 Linux kernel (Raspberry Pi 2) vulnerabilities
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Canonical Ubuntu Linux
Linux Linux Kernel
Opensuse Leap
cve-icon MITRE

Status: PUBLISHED

Assigner: debian

Published:

Updated: 2024-08-05T23:24:49.267Z

Reserved: 2016-02-14T00:00:00.000Z

Link: CVE-2016-2383

cve-icon Vulnrichment

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cve-icon NVD

Status : Deferred

Published: 2016-04-27T17:59:10.943

Modified: 2025-04-12T10:46:40.837

Link: CVE-2016-2383

cve-icon Redhat

Severity : Low

Publid Date: 2016-02-14T00:00:00Z

Links: CVE-2016-2383 - Bugzilla

cve-icon OpenCVE Enrichment

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Weaknesses