CVE-2016-2383

medium

Published 2016-04-27 · Modified 2026-05-06

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CVSS v3

5.5

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CVSS v4 NEW

—

not yet in upstream

VIR risk

5.5

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.

Predictions

Exploit likelihood

55%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

Linux kernel Affected 2 releases

Version	Status	Fixed in
4.5.0	Affected	—
—	Affected	`4.5.0`

SUSE Affected 2 releases

Version	Status	Fixed in
42.1	Affected	—
—	Affected	—

Ubuntu Affected 2 releases

Version	Status	Fixed in
15.10	Affected	—
14.04	Affected	—

Debian Fixed 5 releases

Version	Status	Fixed in
trixie	Fixed	`4.4.2-1`
sid	Fixed	`4.4.2-1`
forky	Fixed	`4.4.2-1`
bullseye	Fixed	`4.4.2-1`
bookworm	Fixed	`4.4.2-1`

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.