Medium severity5.5NVD Advisory· Published Nov 22, 2017· Updated Jun 17, 2026
CVE-2017-12193
CVE-2017-12193
Description
The assoc_array_insert_into_terminal_node function in lib/assoc_array.c in the Linux kernel before 4.13.11 mishandles node splitting, which allows local users to cause a denial of service (NULL pointer dereference and panic) via a crafted application, as demonstrated by the keyring key type, and key addition and link creation operations.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
58- osv-coords56 versionspkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP2pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP3pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2012%20SP2pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2012%20SP3pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSSpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3pkg: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%2012%20SP1pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2012%20SP2pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2012%20SP3pkg:rpm/suse/kernel-default&distro=SUSE%20OpenStack%20Cloud%206pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP2pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP3pkg:rpm/suse/kernel-ec2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2012pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP2pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP3pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP2pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP2pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP2pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP3pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSSpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3pkg: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%2012%20SP1pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/kernel-source&distro=SUSE%20OpenStack%20Cloud%206pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP2pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP2pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP3pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSSpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3pkg: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%2012%20SP1pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/kernel-syms&distro=SUSE%20OpenStack%20Cloud%206pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP2pkg:rpm/suse/kernel-xen&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSSpkg:rpm/suse/kernel-xen&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSSpkg:rpm/suse/kernel-xen&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/kernel-xen&distro=SUSE%20OpenStack%20Cloud%206pkg:rpm/suse/kgraft-patch-SLE12-SP1_Update_23&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSSpkg:rpm/suse/kgraft-patch-SLE12-SP1_Update_23&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/kgraft-patch-SLE12-SP1_Update_23&distro=SUSE%20OpenStack%20Cloud%206pkg:rpm/suse/kgraft-patch-SLE12-SP2_Update_16&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012pkg:rpm/suse/kgraft-patch-SLE12-SP3_Update_6&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP3pkg:rpm/suse/kgraft-patch-SLE12_Update_29&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSS
< 4.4.103-92.53.1+ 55 more
- (no CPE)range: < 4.4.103-92.53.1
- (no CPE)range: < 4.4.103-6.33.1
- (no CPE)range: < 4.4.103-92.53.1
- (no CPE)range: < 4.4.103-6.33.1
- (no CPE)range: < 3.12.74-60.64.66.1
- (no CPE)range: < 4.4.103-92.53.1
- (no CPE)range: < 4.4.103-6.33.1
- (no CPE)range: < 3.12.61-52.106.1
- (no CPE)range: < 4.4.103-92.53.1
- (no CPE)range: < 3.12.74-60.64.66.1
- (no CPE)range: < 4.4.103-92.53.1
- (no CPE)range: < 4.4.103-6.33.1
- (no CPE)range: < 4.4.103-92.53.1
- (no CPE)range: < 4.4.103-6.33.1
- (no CPE)range: < 3.12.74-60.64.66.1
- (no CPE)range: < 4.4.103-92.53.1
- (no CPE)range: < 4.4.103-6.33.1
- (no CPE)range: < 3.12.74-60.64.66.1
- (no CPE)range: < 4.4.103-92.53.1
- (no CPE)range: < 4.4.103-6.33.1
- (no CPE)range: < 4.4.104-24.1
- (no CPE)range: < 4.4.104-24.1
- (no CPE)range: < 4.4.103-92.53.1
- (no CPE)range: < 4.4.103-6.33.1
- (no CPE)range: < 3.12.74-60.64.66.1
- (no CPE)range: < 4.4.103-92.53.1
- (no CPE)range: < 4.4.103-6.33.1
- (no CPE)range: < 3.12.61-52.106.1
- (no CPE)range: < 4.4.103-92.53.1
- (no CPE)range: < 3.12.74-60.64.66.1
- (no CPE)range: < 4.4.103-92.53.1
- (no CPE)range: < 4.4.103-6.33.1
- (no CPE)range: < 3.12.74-60.64.66.1
- (no CPE)range: < 4.4.104-24.1
- (no CPE)range: < 4.4.103-92.53.1
- (no CPE)range: < 4.4.103-6.33.1
- (no CPE)range: < 3.12.74-60.64.66.1
- (no CPE)range: < 4.4.103-92.53.1
- (no CPE)range: < 4.4.103-6.33.1
- (no CPE)range: < 3.12.61-52.106.1
- (no CPE)range: < 4.4.103-92.53.1
- (no CPE)range: < 3.12.74-60.64.66.1
- (no CPE)range: < 4.4.103-92.53.1
- (no CPE)range: < 4.4.103-6.33.1
- (no CPE)range: < 3.12.74-60.64.66.1
- (no CPE)range: < 4.4.104-24.1
- (no CPE)range: < 3.12.74-60.64.66.1
- (no CPE)range: < 3.12.61-52.106.1
- (no CPE)range: < 3.12.74-60.64.66.1
- (no CPE)range: < 3.12.74-60.64.66.1
- (no CPE)range: < 1-2.1
- (no CPE)range: < 1-2.1
- (no CPE)range: < 1-2.1
- (no CPE)range: < 1-3.3.1
- (no CPE)range: < 1-4.3.1
- (no CPE)range: < 1-5.1
Patches
Vulnerability mechanics
References
8- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/nvdIssue TrackingPatch
- github.com/torvalds/linux/commit/ea6789980fdaa610d7eb63602c746bf6ec70cd2bnvdPatchVendor Advisory
- www.securityfocus.com/bid/101678nvdThird Party AdvisoryVDB Entry
- www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.11nvdIssue Tracking
- bugzilla.redhat.com/show_bug.cginvdIssue Tracking
- access.redhat.com/errata/RHSA-2018:0151nvd
- usn.ubuntu.com/3698-1/nvd
- usn.ubuntu.com/3698-2/nvd
News mentions
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