Medium severity6.2NVD Advisory· Published Apr 27, 2016· Updated May 6, 2026
CVE-2016-2543
CVE-2016-2543
Description
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.
Affected products
64- osv-coords63 versionspkg:rpm/suse/kernel-bigsmp&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSSpkg:rpm/suse/kernel-bigsmp&distro=SUSE%20Manager%202.1pkg:rpm/suse/kernel-bigsmp&distro=SUSE%20Manager%20Proxy%202.1pkg:rpm/suse/kernel-bigsmp&distro=SUSE%20OpenStack%20Cloud%205pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Desktop%2011%20SP4pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP2-LTSSpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSSpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/kernel-default&distro=SUSE%20Manager%202.1pkg:rpm/suse/kernel-default&distro=SUSE%20Manager%20Proxy%202.1pkg:rpm/suse/kernel-default&distro=SUSE%20OpenStack%20Cloud%205pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2011%20SP4pkg:rpm/suse/kernel-ec2&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP2-LTSSpkg:rpm/suse/kernel-ec2&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSSpkg:rpm/suse/kernel-ec2&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/kernel-ec2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/kernel-ec2&distro=SUSE%20Manager%202.1pkg:rpm/suse/kernel-ec2&distro=SUSE%20Manager%20Proxy%202.1pkg:rpm/suse/kernel-ec2&distro=SUSE%20OpenStack%20Cloud%205pkg:rpm/suse/kernel-pae&distro=SUSE%20Linux%20Enterprise%20Desktop%2011%20SP4pkg:rpm/suse/kernel-pae&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP2-LTSSpkg:rpm/suse/kernel-pae&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSSpkg:rpm/suse/kernel-pae&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/kernel-pae&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/kernel-ppc64&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/kernel-ppc64&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2011%20SP4pkg:rpm/suse/kernel-rt_trace&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2011%20SP4pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Desktop%2011%20SP4pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP2-LTSSpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSSpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/kernel-source&distro=SUSE%20Manager%202.1pkg:rpm/suse/kernel-source&distro=SUSE%20Manager%20Proxy%202.1pkg:rpm/suse/kernel-source&distro=SUSE%20OpenStack%20Cloud%205pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2011%20SP4pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Desktop%2011%20SP4pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP2-LTSSpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSSpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/kernel-syms&distro=SUSE%20Manager%202.1pkg:rpm/suse/kernel-syms&distro=SUSE%20Manager%20Proxy%202.1pkg:rpm/suse/kernel-syms&distro=SUSE%20OpenStack%20Cloud%205pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2011%20SP4pkg:rpm/suse/kernel-trace&distro=SUSE%20Linux%20Enterprise%20Desktop%2011%20SP4pkg:rpm/suse/kernel-trace&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP2-LTSSpkg:rpm/suse/kernel-trace&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSSpkg:rpm/suse/kernel-trace&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/kernel-trace&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/kernel-trace&distro=SUSE%20Manager%202.1pkg:rpm/suse/kernel-trace&distro=SUSE%20Manager%20Proxy%202.1pkg:rpm/suse/kernel-trace&distro=SUSE%20OpenStack%20Cloud%205pkg:rpm/suse/kernel-xen&distro=SUSE%20Linux%20Enterprise%20Desktop%2011%20SP4pkg:rpm/suse/kernel-xen&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP2-LTSSpkg:rpm/suse/kernel-xen&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSSpkg:rpm/suse/kernel-xen&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/kernel-xen&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/kernel-xen&distro=SUSE%20Manager%202.1pkg:rpm/suse/kernel-xen&distro=SUSE%20Manager%20Proxy%202.1pkg:rpm/suse/kernel-xen&distro=SUSE%20OpenStack%20Cloud%205
< 3.0.101-0.47.79.1+ 62 more
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.0.101-71.1
- (no CPE)range: < 3.0.101-0.7.40.1
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.0.101-71.1
- (no CPE)range: < 3.0.101-71.1
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.0.101-71.2
- (no CPE)range: < 3.0.101-0.7.40.1
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.0.101-71.1
- (no CPE)range: < 3.0.101-71.1
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.0.101-71.1
- (no CPE)range: < 3.0.101-0.7.40.1
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.0.101-71.1
- (no CPE)range: < 3.0.101-71.1
- (no CPE)range: < 3.0.101-71.1
- (no CPE)range: < 3.0.101-71.1
- (no CPE)range: < 3.0.101.rt130-51.1
- (no CPE)range: < 3.0.101.rt130-51.1
- (no CPE)range: < 3.0.101-71.1
- (no CPE)range: < 3.0.101-0.7.40.1
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.0.101-71.1
- (no CPE)range: < 3.0.101-71.1
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.0.101.rt130-51.1
- (no CPE)range: < 3.0.101-71.1
- (no CPE)range: < 3.0.101-0.7.40.1
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.0.101-71.1
- (no CPE)range: < 3.0.101-71.1
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.0.101.rt130-51.1
- (no CPE)range: < 3.0.101-71.1
- (no CPE)range: < 3.0.101-0.7.40.1
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.0.101-71.1
- (no CPE)range: < 3.0.101-71.1
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.0.101-71.1
- (no CPE)range: < 3.0.101-0.7.40.1
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.0.101-71.1
- (no CPE)range: < 3.0.101-71.1
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.0.101-0.47.79.1
- (no CPE)range: < 3.0.101-0.47.79.1
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
20- github.com/torvalds/linux/commit/030e2c78d3a91dd0d27fef37e91950dde333eba1nvdPatchVendor Advisory
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/nvdVendor Advisory
- www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.1nvdVendor Advisory
- lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.htmlnvd
- www.debian.org/security/2016/dsa-3503nvd
- www.openwall.com/lists/oss-security/2016/01/19/1nvd
- www.securityfocus.com/bid/83377nvd
- www.securitytracker.com/id/1035304nvd
- www.ubuntu.com/usn/USN-2929-1nvd
- www.ubuntu.com/usn/USN-2929-2nvd
- www.ubuntu.com/usn/USN-2930-1nvd
- www.ubuntu.com/usn/USN-2930-2nvd
- www.ubuntu.com/usn/USN-2930-3nvd
- www.ubuntu.com/usn/USN-2931-1nvd
- www.ubuntu.com/usn/USN-2932-1nvd
- www.ubuntu.com/usn/USN-2967-1nvd
- www.ubuntu.com/usn/USN-2967-2nvd
- bugzilla.redhat.com/show_bug.cginvd
News mentions
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