Medium severity5.5NVD Advisory· Published Jun 14, 2019· Updated Jun 17, 2026
CVE-2019-12819
CVE-2019-12819
Description
An issue was discovered in the Linux kernel before 5.0. The function __mdiobus_register() in drivers/net/phy/mdio_bus.c calls put_device(), which will trigger a fixed_mdio_bus_init use-after-free. This will cause a denial of service.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
114- Linux/Linux kerneldescription
- osv-coords112 versionspkg:rpm/opensuse/kernel-debug&distro=openSUSE%20Leap%2015.0pkg:rpm/opensuse/kernel-debug&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%2015.0pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/kernel-docs&distro=openSUSE%20Leap%2015.0pkg:rpm/opensuse/kernel-docs&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/kernel-kvmsmall&distro=openSUSE%20Leap%2015.0pkg:rpm/opensuse/kernel-kvmsmall&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/kernel-obs-build&distro=openSUSE%20Leap%2015.0pkg:rpm/opensuse/kernel-obs-build&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/kernel-obs-qa&distro=openSUSE%20Leap%2015.0pkg:rpm/opensuse/kernel-obs-qa&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2015.0pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2015.0pkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/kernel-vanilla&distro=openSUSE%20Leap%2015.0pkg:rpm/opensuse/kernel-vanilla&distro=openSUSE%20Leap%2015.1pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP1pkg:rpm/suse/kernel-default&distro=SUSE%20Enterprise%20Storage%204pkg:rpm/suse/kernel-default&distro=SUSE%20Enterprise%20Storage%205pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP4pkg: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%20High%20Availability%20Extension%2012%20SP4pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP1pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP1pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP1pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015%20SP1pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-LTSSpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSSpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4pkg: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%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2012%20SP4pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP1pkg:rpm/suse/kernel-default&distro=SUSE%20OpenStack%20Cloud%207pkg:rpm/suse/kernel-default&distro=SUSE%20OpenStack%20Cloud%208pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP1pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP4pkg:rpm/suse/kernel-livepatch-SLE15-SP1_Update_1&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP1pkg:rpm/suse/kernel-livepatch-SLE15_Update_12&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP1pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP4pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP4pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Real%20Time%20Module%2015%20SP1pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP4pkg:rpm/suse/kernel-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP1pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP1pkg:rpm/suse/kernel-source&distro=SUSE%20Enterprise%20Storage%204pkg:rpm/suse/kernel-source&distro=SUSE%20Enterprise%20Storage%205pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP4pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP1pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP1pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-LTSSpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSSpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4pkg: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%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/kernel-source&distro=SUSE%20OpenStack%20Cloud%207pkg:rpm/suse/kernel-source&distro=SUSE%20OpenStack%20Cloud%208pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP4pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP1pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP1pkg:rpm/suse/kernel-syms&distro=SUSE%20Enterprise%20Storage%204pkg:rpm/suse/kernel-syms&distro=SUSE%20Enterprise%20Storage%205pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP4pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP1pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-LTSSpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSSpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4pkg: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%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/kernel-syms&distro=SUSE%20OpenStack%20Cloud%207pkg:rpm/suse/kernel-syms&distro=SUSE%20OpenStack%20Cloud%208pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP4pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP1pkg:rpm/suse/kernel-vanilla&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP1pkg:rpm/suse/kgraft-patch-SLE12-SP2_Update_31&distro=SUSE%20Enterprise%20Storage%204pkg:rpm/suse/kgraft-patch-SLE12-SP2_Update_31&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-LTSSpkg:rpm/suse/kgraft-patch-SLE12-SP2_Update_31&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/kgraft-patch-SLE12-SP2_Update_31&distro=SUSE%20OpenStack%20Cloud%207pkg:rpm/suse/kgraft-patch-SLE12-SP3_Update_27&distro=SUSE%20Enterprise%20Storage%205pkg:rpm/suse/kgraft-patch-SLE12-SP3_Update_27&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3pkg:rpm/suse/kgraft-patch-SLE12-SP3_Update_27&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSSpkg:rpm/suse/kgraft-patch-SLE12-SP3_Update_27&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/kgraft-patch-SLE12-SP3_Update_27&distro=SUSE%20OpenStack%20Cloud%208pkg:rpm/suse/kgraft-patch-SLE12-SP4_Update_6&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP4
< 4.12.14-lp150.12.64.1+ 111 more
- (no CPE)range: < 4.12.14-lp150.12.64.1
- (no CPE)range: < 4.12.14-lp151.28.7.1
- (no CPE)range: < 4.12.14-lp150.12.64.1
- (no CPE)range: < 4.12.14-lp151.28.7.1
- (no CPE)range: < 4.12.14-lp150.12.64.1
- (no CPE)range: < 4.12.14-lp151.28.7.1
- (no CPE)range: < 4.12.14-lp150.12.64.1
- (no CPE)range: < 4.12.14-lp151.28.7.1
- (no CPE)range: < 4.12.14-lp150.12.64.1
- (no CPE)range: < 4.12.14-lp151.28.7.1
- (no CPE)range: < 4.12.14-lp150.12.64.1
- (no CPE)range: < 4.12.14-lp151.28.7.1
- (no CPE)range: < 4.12.14-lp150.12.64.1
- (no CPE)range: < 4.12.14-lp151.28.7.1
- (no CPE)range: < 4.12.14-lp150.12.64.1
- (no CPE)range: < 4.12.14-lp151.28.7.1
- (no CPE)range: < 4.12.14-lp150.12.64.1
- (no CPE)range: < 4.12.14-lp151.28.7.1
- (no CPE)range: < 4.12.14-5.33.1
- (no CPE)range: < 4.12.14-8.13.1
- (no CPE)range: < 4.4.121-92.117.1
- (no CPE)range: < 4.4.180-94.100.1
- (no CPE)range: < 4.12.14-95.24.1
- (no CPE)range: < 4.4.121-92.117.1
- (no CPE)range: < 4.4.180-94.100.1
- (no CPE)range: < 4.12.14-95.24.1
- (no CPE)range: < 4.12.14-150.27.1
- (no CPE)range: < 4.12.14-197.4.1
- (no CPE)range: < 4.12.14-150.27.1
- (no CPE)range: < 4.12.14-197.4.1
- (no CPE)range: < 4.12.14-150.27.1
- (no CPE)range: < 4.12.14-197.4.1
- (no CPE)range: < 4.12.14-150.27.1
- (no CPE)range: < 4.12.14-197.4.1
- (no CPE)range: < 4.4.121-92.117.1
- (no CPE)range: < 4.4.121-92.117.1
- (no CPE)range: < 4.4.180-94.100.1
- (no CPE)range: < 4.4.180-94.100.1
- (no CPE)range: < 4.12.14-95.24.1
- (no CPE)range: < 4.4.121-92.117.1
- (no CPE)range: < 4.4.180-94.100.1
- (no CPE)range: < 4.12.14-95.24.1
- (no CPE)range: < 4.12.14-95.24.1
- (no CPE)range: < 4.12.14-150.27.1
- (no CPE)range: < 4.12.14-197.4.1
- (no CPE)range: < 4.4.121-92.117.1
- (no CPE)range: < 4.4.180-94.100.1
- (no CPE)range: < 4.12.14-150.27.1
- (no CPE)range: < 4.12.14-197.4.1
- (no CPE)range: < 4.12.14-95.24.1
- (no CPE)range: < 1-3.3.1
- (no CPE)range: < 1-1.5.1
- (no CPE)range: < 4.12.14-150.27.1
- (no CPE)range: < 4.12.14-197.4.1
- (no CPE)range: < 4.12.14-95.24.1
- (no CPE)range: < 4.12.14-8.3.1
- (no CPE)range: < 4.12.14-14.8.1
- (no CPE)range: < 4.12.14-8.3.1
- (no CPE)range: < 4.12.14-14.8.1
- (no CPE)range: < 4.12.14-5.33.1
- (no CPE)range: < 4.12.14-8.13.1
- (no CPE)range: < 4.4.121-92.117.1
- (no CPE)range: < 4.4.180-94.100.1
- (no CPE)range: < 4.12.14-95.24.1
- (no CPE)range: < 4.12.14-150.27.1
- (no CPE)range: < 4.12.14-197.4.1
- (no CPE)range: < 4.12.14-150.27.1
- (no CPE)range: < 4.12.14-197.4.1
- (no CPE)range: < 4.4.121-92.117.1
- (no CPE)range: < 4.4.121-92.117.1
- (no CPE)range: < 4.4.180-94.100.1
- (no CPE)range: < 4.4.180-94.100.1
- (no CPE)range: < 4.12.14-95.24.1
- (no CPE)range: < 4.4.121-92.117.1
- (no CPE)range: < 4.4.180-94.100.1
- (no CPE)range: < 4.12.14-95.24.1
- (no CPE)range: < 4.4.121-92.117.1
- (no CPE)range: < 4.4.180-94.100.1
- (no CPE)range: < 4.12.14-8.3.1
- (no CPE)range: < 4.12.14-14.8.1
- (no CPE)range: < 4.12.14-5.33.1
- (no CPE)range: < 4.12.14-8.13.1
- (no CPE)range: < 4.4.121-92.117.1
- (no CPE)range: < 4.4.180-94.100.1
- (no CPE)range: < 4.12.14-95.24.1
- (no CPE)range: < 4.12.14-150.27.1
- (no CPE)range: < 4.12.14-197.4.1
- (no CPE)range: < 4.4.121-92.117.1
- (no CPE)range: < 4.4.121-92.117.1
- (no CPE)range: < 4.4.180-94.100.1
- (no CPE)range: < 4.4.180-94.100.1
- (no CPE)range: < 4.12.14-95.24.1
- (no CPE)range: < 4.4.121-92.117.1
- (no CPE)range: < 4.4.180-94.100.1
- (no CPE)range: < 4.12.14-95.24.1
- (no CPE)range: < 4.4.121-92.117.1
- (no CPE)range: < 4.4.180-94.100.1
- (no CPE)range: < 4.12.14-8.3.1
- (no CPE)range: < 4.12.14-14.8.1
- (no CPE)range: < 4.12.14-150.27.1
- (no CPE)range: < 4.12.14-150.27.1
- (no CPE)range: < 4.12.14-197.4.1
- (no CPE)range: < 1-3.3.1
- (no CPE)range: < 1-3.3.1
- (no CPE)range: < 1-3.3.1
- (no CPE)range: < 1-3.3.1
- (no CPE)range: < 1-4.3.1
- (no CPE)range: < 1-4.3.1
- (no CPE)range: < 1-4.3.1
- (no CPE)range: < 1-4.3.1
- (no CPE)range: < 1-4.3.1
- (no CPE)range: < 1-6.5.1
Patches
Vulnerability mechanics
References
10- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/nvdMailing ListPatchVendor Advisory
- github.com/torvalds/linux/commit/6ff7b060535e87c2ae14dd8548512abfdda528fbnvdPatchThird Party Advisory
- www.securityfocus.com/bid/108768nvdThird Party AdvisoryVDB Entry
- lists.opensuse.org/opensuse-security-announce/2019-06/msg00039.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2019-06/msg00040.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2019-06/msg00048.htmlnvd
- packetstormsecurity.com/files/154245/Kernel-Live-Patch-Security-Notice-LSN-0054-1.htmlnvd
- security.netapp.com/advisory/ntap-20190710-0002/nvd
- usn.ubuntu.com/4094-1/nvd
- usn.ubuntu.com/4118-1/nvd
News mentions
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