Medium severity6.2NVD Advisory· Published Oct 16, 2016· Updated Jun 17, 2026
CVE-2016-7042
CVE-2016-7042
Description
The proc_keys_show function in security/keys/proc.c in the Linux kernel through 4.8.2, when the GNU Compiler Collection (gcc) stack protector is enabled, uses an incorrect buffer size for certain timeout data, which allows local users to cause a denial of service (stack memory corruption and panic) by reading the /proc/keys file.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
118- osv-coords117 versionspkg:rpm/opensuse/kernel-source&distro=openSUSE%20Tumbleweedpkg:rpm/suse/kernel-bigmem&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/kernel-bigmem&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg: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-compute_debug&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP1pkg:rpm/suse/kernel-compute&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP1pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP1pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP2pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2012%20SP2pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3pkg: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%2012%20SP1pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSSpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20Raspberry%20Pi%2012%20SP2pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2012%20SP1pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2012%20SP2pkg: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-docs&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP1pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP2pkg:rpm/suse/kernel-ec2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2012pkg:rpm/suse/kernel-ec2&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3pkg: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-obs-build&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP1pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP2pkg:rpm/suse/kernel-pae&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3pkg: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_debug&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP1pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2011%20SP4pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP1pkg:rpm/suse/kernel-rt_trace&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2011%20SP4pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP1pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP2pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3pkg: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%2012%20SP1pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSSpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20Raspberry%20Pi%2012%20SP2pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg: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-source-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP1pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP1pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP2pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3pkg: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%2012%20SP1pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSSpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20Raspberry%20Pi%2012%20SP2pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg: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-syms-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP1pkg:rpm/suse/kernel-trace&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3pkg: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%2012%20SP1pkg:rpm/suse/kernel-xen&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3pkg: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%2012%20SP1pkg:rpm/suse/kernel-xen&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSSpkg:rpm/suse/kernel-xen&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/kernel-xen&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012pkg:rpm/suse/kernel-xen&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg: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%205pkg:rpm/suse/kgraft-patch-SLE12-SP1_Update_9&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012pkg:rpm/suse/kgraft-patch-SLE12-SP2_Update_4&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012pkg:rpm/suse/kgraft-patch-SLE12_Update_19&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSSpkg:rpm/suse/kgraft-patch-SLE12_Update_19&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012
< 4.8.13-1.1+ 116 more
- (no CPE)range: < 4.8.13-1.1
- (no CPE)range: < 3.0.101-88.1
- (no CPE)range: < 3.0.101-88.1
- (no CPE)range: < 3.0.101-0.47.96.1
- (no CPE)range: < 3.0.101-0.47.96.1
- (no CPE)range: < 3.0.101-0.47.96.1
- (no CPE)range: < 3.0.101-0.47.96.1
- (no CPE)range: < 3.12.67-60.27.1
- (no CPE)range: < 3.12.67-60.27.1
- (no CPE)range: < 3.12.67-60.64.18.1
- (no CPE)range: < 4.4.38-93.1
- (no CPE)range: < 4.4.38-93.1
- (no CPE)range: < 3.0.101-0.47.96.1
- (no CPE)range: < 3.0.101-0.7.53.1
- (no CPE)range: < 3.0.101-0.47.96.1
- (no CPE)range: < 3.0.101-88.1
- (no CPE)range: < 3.12.67-60.64.18.1
- (no CPE)range: < 4.4.38-93.1
- (no CPE)range: < 3.12.61-52.66.1
- (no CPE)range: < 4.4.38-93.1
- (no CPE)range: < 3.0.101-88.1
- (no CPE)range: < 3.12.61-52.66.1
- (no CPE)range: < 3.12.67-60.64.18.1
- (no CPE)range: < 4.4.38-93.1
- (no CPE)range: < 3.12.67-60.64.18.1
- (no CPE)range: < 4.4.38-93.1
- (no CPE)range: < 3.0.101-0.47.96.1
- (no CPE)range: < 3.0.101-0.47.96.1
- (no CPE)range: < 3.0.101-0.47.96.1
- (no CPE)range: < 3.0.101-88.3
- (no CPE)range: < 3.12.67-60.64.18.3
- (no CPE)range: < 4.4.38-93.3
- (no CPE)range: < 3.12.67-60.64.18.1
- (no CPE)range: < 3.0.101-0.47.96.1
- (no CPE)range: < 3.0.101-0.7.53.1
- (no CPE)range: < 3.0.101-0.47.96.1
- (no CPE)range: < 3.0.101-88.1
- (no CPE)range: < 3.0.101-88.1
- (no CPE)range: < 3.0.101-0.47.96.1
- (no CPE)range: < 3.0.101-0.47.96.1
- (no CPE)range: < 3.0.101-0.47.96.1
- (no CPE)range: < 3.12.67-60.64.18.1
- (no CPE)range: < 4.4.38-93.1
- (no CPE)range: < 3.0.101-0.47.96.1
- (no CPE)range: < 3.0.101-0.7.53.1
- (no CPE)range: < 3.0.101-0.47.96.1
- (no CPE)range: < 3.0.101-88.1
- (no CPE)range: < 3.0.101-88.1
- (no CPE)range: < 3.0.101-88.1
- (no CPE)range: < 3.0.101-88.1
- (no CPE)range: < 3.12.67-60.27.1
- (no CPE)range: < 3.0.101.rt130-68.1
- (no CPE)range: < 3.12.67-60.27.1
- (no CPE)range: < 3.0.101.rt130-68.1
- (no CPE)range: < 3.12.67-60.64.18.1
- (no CPE)range: < 4.4.38-93.1
- (no CPE)range: < 3.0.101-0.47.96.1
- (no CPE)range: < 3.0.101-0.7.53.1
- (no CPE)range: < 3.0.101-0.47.96.1
- (no CPE)range: < 3.0.101-88.1
- (no CPE)range: < 3.12.67-60.64.18.1
- (no CPE)range: < 4.4.38-93.1
- (no CPE)range: < 3.12.61-52.66.1
- (no CPE)range: < 4.4.38-93.1
- (no CPE)range: < 3.0.101-88.1
- (no CPE)range: < 3.12.61-52.66.1
- (no CPE)range: < 3.12.67-60.64.18.1
- (no CPE)range: < 4.4.38-93.1
- (no CPE)range: < 3.0.101-0.47.96.1
- (no CPE)range: < 3.0.101-0.47.96.1
- (no CPE)range: < 3.0.101-0.47.96.1
- (no CPE)range: < 3.0.101.rt130-68.1
- (no CPE)range: < 3.12.67-60.27.1
- (no CPE)range: < 3.12.67-60.64.18.1
- (no CPE)range: < 4.4.38-93.1
- (no CPE)range: < 3.0.101-0.47.96.1
- (no CPE)range: < 3.0.101-0.7.53.1
- (no CPE)range: < 3.0.101-0.47.96.1
- (no CPE)range: < 3.0.101-88.1
- (no CPE)range: < 3.12.67-60.64.18.1
- (no CPE)range: < 4.4.38-93.1
- (no CPE)range: < 3.12.61-52.66.1
- (no CPE)range: < 4.4.38-93.1
- (no CPE)range: < 3.0.101-88.1
- (no CPE)range: < 3.12.61-52.66.1
- (no CPE)range: < 3.12.67-60.64.18.1
- (no CPE)range: < 4.4.38-93.1
- (no CPE)range: < 3.0.101-0.47.96.1
- (no CPE)range: < 3.0.101-0.47.96.1
- (no CPE)range: < 3.0.101-0.47.96.1
- (no CPE)range: < 3.0.101.rt130-68.1
- (no CPE)range: < 3.12.67-60.27.1
- (no CPE)range: < 3.0.101-0.47.96.1
- (no CPE)range: < 3.0.101-0.7.53.1
- (no CPE)range: < 3.0.101-0.47.96.1
- (no CPE)range: < 3.0.101-88.1
- (no CPE)range: < 3.0.101-88.1
- (no CPE)range: < 3.0.101-0.47.96.1
- (no CPE)range: < 3.0.101-0.47.96.1
- (no CPE)range: < 3.0.101-0.47.96.1
- (no CPE)range: < 3.12.67-60.64.18.1
- (no CPE)range: < 3.0.101-0.47.96.1
- (no CPE)range: < 3.0.101-0.7.53.1
- (no CPE)range: < 3.0.101-0.47.96.1
- (no CPE)range: < 3.0.101-88.1
- (no CPE)range: < 3.12.67-60.64.18.1
- (no CPE)range: < 3.12.61-52.66.1
- (no CPE)range: < 3.0.101-88.1
- (no CPE)range: < 3.12.61-52.66.1
- (no CPE)range: < 3.12.67-60.64.18.1
- (no CPE)range: < 3.0.101-0.47.96.1
- (no CPE)range: < 3.0.101-0.47.96.1
- (no CPE)range: < 3.0.101-0.47.96.1
- (no CPE)range: < 1-6.3
- (no CPE)range: < 1-2.1
- (no CPE)range: < 1-2.1
- (no CPE)range: < 1-2.1
Patches
Vulnerability mechanics
References
8- bugzilla.redhat.com/show_bug.cginvdIssue TrackingThird Party Advisory
- www.openwall.com/lists/oss-security/2016/10/13/5nvdMailing List
- rhn.redhat.com/errata/RHSA-2017-0817.htmlnvd
- www.securityfocus.com/bid/93544nvd
- access.redhat.com/errata/RHSA-2017:1842nvd
- access.redhat.com/errata/RHSA-2017:2077nvd
- access.redhat.com/errata/RHSA-2017:2669nvd
- source.android.com/security/bulletin/2017-01-01.htmlnvd
News mentions
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