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.
History

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cve-icon MITRE

Status: PUBLISHED

Assigner: debian

Published: 2016-04-27T17:00:00

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

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

Link: CVE-2016-2383

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

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

Modified: 2022-01-31T18:55:04.487

Link: CVE-2016-2383

cve-icon Redhat

Severity : Low

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

Links: CVE-2016-2383 - Bugzilla