CVE-2016-2383

kernel: incorrect branch fixups for eBPG allow arbitrary read

Published Apr 27, 2016 CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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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
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
debian
Published
Updated
Aug 5, 2024, 11:24 PM
Reserved
Feb 14, 2016, 12:00 AM
Status
Modified
Published
Apr 27, 2016, 5:59 PM
Modified
Jun 17, 2026, 12:43 AM
Severity
Low
Public date
Feb 14, 2016, 12:00 AM