CVE-2016-4569

medium
Published 2016-05-23 ยท Modified 2026-05-06
CVSS v3
5.5
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS v4 NEW
โ€”
not yet in upstream
VIR risk
5.5

Description

The snd_timer_user_params function in sound/core/timer.c in the Linux kernel through 4.6 does not initialize a certain data structure, which allows local users to obtain sensitive information from kernel stack memory via crafted use of the ALSA timer interface.

Predictions

Exploit likelihood
55%
Patch ETA
โ€”

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 โ€” if you've already worked around this in production โ€” publish your fix to the community-verified tier.

โœš Propose a mitigation on Community โ†’ 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 Linux kernel Affected 1 release
VersionStatusFixed in
โ€” Affected โ€”
suse SUSE Affected 3 releases
VersionStatusFixed in
12.0 Affected โ€”
11.0 Affected โ€”
โ€” Affected โ€”
ubuntu Ubuntu Affected 4 releases
VersionStatusFixed in
16.04 Affected โ€”
15.10 Affected โ€”
14.04 Affected โ€”
12.04 Affected โ€”
debian Debian Fixed 5 releases
VersionStatusFixed in
trixie Fixed 4.5.5-1
sid Fixed 4.5.5-1
forky Fixed 4.5.5-1
bullseye Fixed 4.5.5-1
bookworm Fixed 4.5.5-1

Application impact

References

CWEs

CWE-200

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

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