Medium severity5.1NVD Advisory· Published Apr 27, 2016· Updated Jun 17, 2026
CVE-2016-2547
CVE-2016-2547
Description
sound/core/timer.c in the Linux kernel before 4.4.1 employs a locking approach that does not consider slave timer instances, which allows local users to cause a denial of service (race condition, use-after-free, and system crash) via a crafted ioctl call.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
65- 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
Vulnerability mechanics
References
20- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/nvdPatchVendor Advisory
- www.openwall.com/lists/oss-security/2016/01/19/1nvdPatch
- github.com/torvalds/linux/commit/b5a663aa426f4884c71cd8580adae73f33570f0dnvdPatchVendor 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.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.1nvd
- www.securityfocus.com/bid/83378nvd
- www.securitytracker.com/id/1035298nvd
- 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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