CVE-2016-2543

mediumpriority · track · 25EPSS 0.005 · 44 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.52% (44th) EPSS

CVSS 4.9 · medium

Is it mine?

10 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-27

The snd_seq_ioctl_remove_events function in sound/core/seq/seq_clientmgr.c in the Linux kernel before 4.4.1 does not verify FIFO assignment before proceeding with FIFO clearing, which allows local users to cause a denial of service (NULL pointer dereference and OOPS) via a crafted ioctl call.

cvss

Technical severity, 0–10. One row per scoring source.

6.2

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04.9mediumAV:L/AC:L/Au:N/C:N/I:N/A:Cprimary · NVD / NIST USexploitability 3.9 · impact 6.9

v3.06.2mediumCVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 2.5 · impact 3.6

v3.05.7mediumCVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-476USLLM-inferred

affected products (10)

Products and version ranges known to be affected.

Debian Linux Jessie (8.0)all versionscert_bundDEcpe:/o:debian:debian_linux:8.0
Debian Linux Wheezy (7.0)all versionscert_bundDEcpe:/o:debian:debian_linux:7.0
Open Source Linux Kernelall versionscert_bundDEcpe:/o:linux:linux_kernel:-
Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
SUSE Linux Enterprise Desktopall versionscert_bundDEcpe:/o:suse:linux_enterprise_desktop:-
SUSE Linux Enterprise Serverall versionscert_bundDEcpe:/o:suse:linux_enterprise_server:-
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
Ubuntu Linux 12.04 LTSall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:12.04:-:lts
n/a n/a≤ n/aenisa_euvdEU
linux linux kernel≤ 4.4nvdUScpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2024-0151Linux Kernel: Mehrere SchwachstellenDeutsch2016-02-23csaf · cert_bundDE
Ein lokaler Angreifer kann mehrere Schwachstellen im Linux Kernel ausnutzen, um einen Denial of Service Angriff durchzuführen oder um seine Privilegien zu erweitern..

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund nvd NVD CVE.org MITRE

published 2016-04-27modified 2026-06-17

references (47)

External citations — patches, advisories, analysis.

scry

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