Memory leak in Linux kernel - CVE-2020-36312

Vulnerability identifier: #VU67183

CSH Severity: Low

CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2020-36312

CWE-ID: CWE-401

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to perform DoS attack on the target system.

The vulnerability exists in the KVM hypervisor of the Linux kernel. A local user can force the application to leak memory and perform denial of service attack.

Linux kernel
ClevOS
SUSE Linux Enterprise Software Development Kit 12
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise High Availability Extension 12
SUSE CaaS Platform
SUSE Manager Server
SUSE Manager Retail Branch Server
SUSE Manager Proxy
SUSE MicroOS
SUSE Enterprise Storage
Red Hat CodeReady Linux Builder for Power, little endian
SUSE OpenStack Cloud
HPE Helion Openstack
SUSE OpenStack Cloud Crowbar
Red Hat CodeReady Linux Builder for ARM 64
Red Hat CodeReady Linux Builder for x86_64
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for Real Time for NFV
Red Hat Enterprise Linux for Real Time
SUSE Linux Enterprise Server
SUSE Linux Enterprise Server for SAP
SUSE Linux Enterprise High Availability
SUSE Linux Enterprise Live Patching
SUSE Linux Enterprise Workstation Extension 12
SUSE Linux Enterprise Real Time Extension
SUSE Linux Enterprise Workstation Extension
SUSE Linux Enterprise Software Development Kit
SUSE Linux Enterprise High Performance Computing
SUSE Linux Enterprise Module for Live Patching
SUSE Linux Enterprise Module for Public Cloud
SUSE Linux Enterprise Module for Basesystem
SUSE Linux Enterprise Module for Development Tools
SUSE Linux Enterprise Module for Legacy Software
SUSE Linux Enterprise Module for Realtime
openEuler
Dell Data Protection Central
PowerProtect DP Series Appliance (IDPA)
android-emulator-hypervisor-driver-for-amd-processors
kernel-livepatch-4_12_14-150_72-default
kernel-livepatch-4_12_14-150_72-default-debuginfo
kernel-livepatch-4_12_14-197_89-default
kgraft-patch-4_4_180-94_144-default
kgraft-patch-4_4_180-94_144-default-debuginfo
kernel-livepatch-SLE15-SP2_Update_12-debugsource
kernel-livepatch-5_3_18-24_61-default-debuginfo
kernel-livepatch-5_3_18-24_61-default
kgraft-patch-4_12_14-95_74-default
kernel-livepatch-SLE15-SP3_Update_1-debugsource
kernel-livepatch-5_3_18-59_5-default-debuginfo
kernel-livepatch-5_3_18-59_5-default
kgraft-patch-4_12_14-122_71-default
kgraft-patch-4_12_14-122_212-default
kernel-default-devel
ocfs2-kmp-default-debuginfo
ocfs2-kmp-default
kernel-devel
kernel-macros
kernel-source
cluster-md-kmp-default
cluster-md-kmp-default-debuginfo
cluster-network-kmp-default
dlm-kmp-default
cluster-network-kmp-default-debuginfo
kernel-syms
kernel-default-debugsource
kernel-default-debuginfo
kernel-default-base-debuginfo
kernel-default-base
kernel-default
gfs2-kmp-default-debuginfo
gfs2-kmp-default
dlm-kmp-default-debuginfo
kernel-default-kgraft
kernel-default-man
kernel-rt-base-debuginfo
cluster-md-kmp-rt-debuginfo
kernel-source-rt
kernel-devel-rt
ocfs2-kmp-rt-debuginfo
ocfs2-kmp-rt
kernel-syms-rt
kernel-rt_debug-devel-debuginfo
kernel-rt_debug-devel
kernel-rt_debug-debugsource
kernel-rt_debug-debuginfo
kernel-rt_debug
kernel-rt-devel-debuginfo
kernel-rt-devel
kernel-rt-debugsource
kernel-rt-debuginfo
kernel-rt-base
kernel-rt
gfs2-kmp-rt-debuginfo
gfs2-kmp-rt
dlm-kmp-rt-debuginfo
dlm-kmp-rt
cluster-md-kmp-rt
kernel-devel-azure
kernel-source-azure
kernel-azure
kernel-azure-base
kernel-azure-base-debuginfo
kernel-azure-debuginfo
kernel-azure-devel
kernel-syms-azure
kernel-azure-debugsource
kernel-default-kgraft-devel
kernel-default-devel-debuginfo
kernel-docs
kernel-default-extra-debuginfo
kernel-default-extra
kernel-obs-build-debugsource
kernel-obs-build
reiserfs-kmp-default-debuginfo
kernel-zfcpdump-debuginfo
kernel-zfcpdump-debugsource
kernel-default-livepatch
reiserfs-kmp-default
kernel-vanilla-debugsource
kernel-vanilla-debuginfo
kernel-vanilla-base-debuginfo
kernel-vanilla-base
kernel-default-livepatch-devel
kernel (Red Hat package)
kernel-rt (Red Hat package)
kernel
perf
bpftool-debuginfo
kernel-tools
kernel-tools-devel
perf-debuginfo
kernel-debuginfo
bpftool
python2-perf-debuginfo
kernel-debugsource
python2-perf
python3-perf
kernel-tools-debuginfo
python3-perf-debuginfo
kernel-azure-devel-debuginfo
kernel-preempt-extra
kernel-preempt-extra-debuginfo
kernel-preempt
kernel-preempt-devel-debuginfo
kernel-preempt-devel
kernel-preempt-debuginfo
kernel-preempt-debugsource
kernel-zfcpdump
kernel-64kb
kernel-64kb-debuginfo
kernel-64kb-debugsource
kernel-64kb-devel
kernel-64kb-devel-debuginfo

Install updates from vendor's website.

Linux kernel - update to 5.8.10
android-emulator-hypervisor-driver-for-amd-processors - update to 2.2
kernel-livepatch-4_12_14-150_72-default - update to 1-1.3.1
kernel-livepatch-4_12_14-150_72-default-debuginfo - update to 1-1.3.1
kernel-livepatch-4_12_14-197_89-default - update to 1-3.3.2
kgraft-patch-4_4_180-94_144-default - update to 1-4.3.1
kgraft-patch-4_4_180-94_144-default-debuginfo - update to 1-4.3.1
kernel-livepatch-SLE15-SP2_Update_12-debugsource - update to 1-5.3.4
kernel-livepatch-5_3_18-24_61-default-debuginfo - update to 1-5.3.4
kernel-livepatch-5_3_18-24_61-default - update to 1-5.3.4
kgraft-patch-4_12_14-95_74-default - update to 1-6.3.1
kernel-livepatch-SLE15-SP3_Update_1-debugsource - update to 1-7.5.1
kernel-livepatch-5_3_18-59_5-default-debuginfo - update to 1-7.5.1
kernel-livepatch-5_3_18-59_5-default - update to 1-7.5.1
kgraft-patch-4_12_14-122_71-default - update to 1-8.5.1
kgraft-patch-4_12_14-122_212-default - update to 1-8.11.1
kernel-default-devel - addressed in versions 4.4.121-92.155.1, 4.4.180-94.144.1, 4.12.14-95.74.1, 4.12.14-122.71.1, 4.12.14-122.212.1, 4.12.14-150.72.1, 4.12.14-197.89.2, 5.3.18-24.61.1, 5.3.18-59.5.2
ocfs2-kmp-default-debuginfo - addressed in versions 4.4.121-92.155.1, 4.4.180-94.144.1, 4.12.14-95.74.1, 4.12.14-122.71.1, 4.12.14-122.212.1, 4.12.14-150.72.1, 4.12.14-197.89.2, 5.3.18-24.61.1, 5.3.18-59.5.2
ocfs2-kmp-default - addressed in versions 4.4.121-92.155.1, 4.4.180-94.144.1, 4.12.14-95.74.1, 4.12.14-122.71.1, 4.12.14-122.212.1, 4.12.14-150.72.1, 4.12.14-197.89.2, 5.3.18-24.61.1, 5.3.18-59.5.2
kernel-devel - addressed in versions 4.4.121-92.155.1, 4.4.180-94.144.1, 4.12.14-95.74.1, 4.12.14-122.71.1, 4.12.14-122.212.1, 4.12.14-150.72.1, 4.12.14-197.89.2, 5.3.18-24.61.1, 5.3.18-59.5.2
kernel-macros - addressed in versions 4.4.121-92.155.1, 4.4.180-94.144.1, 4.12.14-95.74.1, 4.12.14-122.71.1, 4.12.14-122.212.1, 4.12.14-150.72.1, 4.12.14-197.89.2, 5.3.18-24.61.1, 5.3.18-59.5.2
kernel-source - addressed in versions 4.4.121-92.155.1, 4.4.180-94.144.1, 4.12.14-95.74.1, 4.12.14-122.71.1, 4.12.14-122.212.1, 4.12.14-150.72.1, 4.12.14-197.89.2, 5.3.18-24.61.1, 5.3.18-59.5.2
cluster-md-kmp-default - addressed in versions 4.4.121-92.155.1, 4.4.180-94.144.1, 4.12.14-95.74.1, 4.12.14-122.71.1, 4.12.14-122.212.1, 4.12.14-150.72.1, 4.12.14-197.89.2, 5.3.18-24.61.1, 5.3.18-59.5.2
cluster-md-kmp-default-debuginfo - addressed in versions 4.4.121-92.155.1, 4.4.180-94.144.1, 4.12.14-95.74.1, 4.12.14-122.71.1, 4.12.14-122.212.1, 4.12.14-150.72.1, 4.12.14-197.89.2, 5.3.18-24.61.1, 5.3.18-59.5.2
cluster-network-kmp-default - update to 4.4.121-92.155.1
dlm-kmp-default - addressed in versions 4.4.121-92.155.1, 4.4.180-94.144.1, 4.12.14-95.74.1, 4.12.14-122.71.1, 4.12.14-122.212.1, 4.12.14-150.72.1, 4.12.14-197.89.2, 5.3.18-24.61.1, 5.3.18-59.5.2
cluster-network-kmp-default-debuginfo - update to 4.4.121-92.155.1
kernel-syms - addressed in versions 4.4.121-92.155.1, 4.4.180-94.144.1, 4.12.14-95.74.1, 4.12.14-122.71.1, 4.12.14-122.212.1, 4.12.14-150.72.1, 4.12.14-197.89.2, 5.3.18-24.61.1, 5.3.18-59.5.1
kernel-default-debugsource - addressed in versions 4.4.121-92.155.1, 4.4.180-94.144.1, 4.12.14-95.74.1, 4.12.14-122.71.1, 4.12.14-122.212.1, 4.12.14-150.72.1, 4.12.14-197.89.2, 5.3.18-24.61.1, 5.3.18-59.5.2
kernel-default-debuginfo - addressed in versions 4.4.121-92.155.1, 4.4.180-94.144.1, 4.12.14-95.74.1, 4.12.14-122.71.1, 4.12.14-122.212.1, 4.12.14-150.72.1, 4.12.14-197.89.2, 5.3.18-24.61.1, 5.3.18-59.5.2
kernel-default-base-debuginfo - addressed in versions 4.4.121-92.155.1, 4.4.180-94.144.1, 4.12.14-95.74.1, 4.12.14-122.71.1, 4.12.14-122.212.1, 4.12.14-197.89.2
kernel-default-base - addressed in versions 4.4.121-92.155.1, 4.4.180-94.144.1, 4.12.14-95.74.1, 4.12.14-122.71.1, 4.12.14-122.212.1, 4.12.14-150.72.1, 4.12.14-197.89.2, 5.3.18-24.61.1.9.26.4, 5.3.18-59.5.2.18.2.2
kernel-default - addressed in versions 4.4.121-92.155.1, 4.4.180-94.144.1, 4.12.14-95.74.1, 4.12.14-122.71.1, 4.12.14-122.212.1, 4.12.14-150.72.1, 4.12.14-197.89.2, 5.3.18-24.61.1, 5.3.18-59.5.2
gfs2-kmp-default-debuginfo - addressed in versions 4.4.121-92.155.1, 4.4.180-94.144.1, 4.12.14-95.74.1, 4.12.14-122.71.1, 4.12.14-122.212.1, 4.12.14-150.72.1, 4.12.14-197.89.2, 5.3.18-24.61.1, 5.3.18-59.5.2
gfs2-kmp-default - addressed in versions 4.4.121-92.155.1, 4.4.180-94.144.1, 4.12.14-95.74.1, 4.12.14-122.71.1, 4.12.14-122.212.1, 4.12.14-150.72.1, 4.12.14-197.89.2, 5.3.18-24.61.1, 5.3.18-59.5.2
dlm-kmp-default-debuginfo - addressed in versions 4.4.121-92.155.1, 4.4.180-94.144.1, 4.12.14-95.74.1, 4.12.14-122.71.1, 4.12.14-122.212.1, 4.12.14-150.72.1, 4.12.14-197.89.2, 5.3.18-24.61.1, 5.3.18-59.5.2
kernel-default-kgraft - addressed in versions 4.4.180-94.144.1, 4.12.14-95.74.1, 4.12.14-122.71.1, 4.12.14-122.212.1
kernel-default-man - addressed in versions 4.4.180-94.144.1, 4.12.14-95.74.1, 4.12.14-122.71.1, 4.12.14-122.212.1, 4.12.14-150.72.1, 4.12.14-197.89.2
kernel-rt-base-debuginfo - update to 4.12.14-10.43.1
cluster-md-kmp-rt-debuginfo - addressed in versions 4.12.14-10.43.1, 5.3.18-33.1
kernel-source-rt - addressed in versions 4.12.14-10.43.1, 5.3.18-33.1
kernel-devel-rt - addressed in versions 4.12.14-10.43.1, 5.3.18-33.1
ocfs2-kmp-rt-debuginfo - addressed in versions 4.12.14-10.43.1, 5.3.18-33.1
ocfs2-kmp-rt - addressed in versions 4.12.14-10.43.1, 5.3.18-33.1
kernel-syms-rt - addressed in versions 4.12.14-10.43.1, 5.3.18-33.1
kernel-rt_debug-devel-debuginfo - addressed in versions 4.12.14-10.43.1, 5.3.18-33.1
kernel-rt_debug-devel - addressed in versions 4.12.14-10.43.1, 5.3.18-33.1
kernel-rt_debug-debugsource - addressed in versions 4.12.14-10.43.1, 5.3.18-33.1
kernel-rt_debug-debuginfo - addressed in versions 4.12.14-10.43.1, 5.3.18-33.1
kernel-rt_debug - update to 4.12.14-10.43.1
kernel-rt-devel-debuginfo - addressed in versions 4.12.14-10.43.1, 5.3.18-33.1
kernel-rt-devel - addressed in versions 4.12.14-10.43.1, 5.3.18-33.1
kernel-rt-debugsource - addressed in versions 4.12.14-10.43.1, 5.3.18-8.7.1, 5.3.18-33.1
kernel-rt-debuginfo - addressed in versions 4.12.14-10.43.1, 5.3.18-8.7.1, 5.3.18-33.1
kernel-rt-base - update to 4.12.14-10.43.1
kernel-rt - addressed in versions 4.12.14-10.43.1, 5.3.18-8.7.1, 5.3.18-33.1
gfs2-kmp-rt-debuginfo - addressed in versions 4.12.14-10.43.1, 5.3.18-33.1
gfs2-kmp-rt - addressed in versions 4.12.14-10.43.1, 5.3.18-33.1
dlm-kmp-rt-debuginfo - addressed in versions 4.12.14-10.43.1, 5.3.18-33.1
dlm-kmp-rt - addressed in versions 4.12.14-10.43.1, 5.3.18-33.1
cluster-md-kmp-rt - addressed in versions 4.12.14-10.43.1, 5.3.18-33.1
kernel-devel-azure - addressed in versions 4.12.14-16.56.1, 4.12.14-16.182.1, 5.3.18-18.44.1, 5.3.18-38.3.1
kernel-source-azure - addressed in versions 4.12.14-16.56.1, 4.12.14-16.182.1, 5.3.18-18.44.1, 5.3.18-38.3.1
kernel-azure - addressed in versions 4.12.14-16.56.1, 4.12.14-16.182.1, 5.3.18-18.44.1, 5.3.18-38.3.1
kernel-azure-base - addressed in versions 4.12.14-16.56.1, 4.12.14-16.182.1
kernel-azure-base-debuginfo - addressed in versions 4.12.14-16.56.1, 4.12.14-16.182.1
kernel-azure-debuginfo - addressed in versions 4.12.14-16.56.1, 4.12.14-16.182.1, 5.3.18-18.44.1, 5.3.18-38.3.1
kernel-azure-devel - addressed in versions 4.12.14-16.56.1, 4.12.14-16.182.1, 5.3.18-18.44.1, 5.3.18-38.3.1
kernel-syms-azure - addressed in versions 4.12.14-16.56.1, 4.12.14-16.182.1, 5.3.18-18.44.1, 5.3.18-38.3.1
kernel-azure-debugsource - addressed in versions 4.12.14-16.56.1, 4.12.14-16.182.1, 5.3.18-18.44.1, 5.3.18-38.3.1
kernel-default-kgraft-devel - addressed in versions 4.12.14-95.74.1, 4.12.14-122.71.1, 4.12.14-122.212.1
kernel-default-devel-debuginfo - addressed in versions 4.12.14-95.74.1, 4.12.14-122.71.1, 4.12.14-122.212.1, 4.12.14-150.72.1, 4.12.14-197.89.2, 5.3.18-24.61.1, 5.3.18-59.5.2
kernel-docs - addressed in versions 4.12.14-122.71.1, 4.12.14-122.212.1, 4.12.14-150.72.2, 4.12.14-197.89.3, 5.3.18-24.61.1, 5.3.18-59.5.2
kernel-default-extra-debuginfo - addressed in versions 4.12.14-122.71.1, 4.12.14-122.212.1, 5.3.18-24.61.1, 5.3.18-59.5.2
kernel-default-extra - addressed in versions 4.12.14-122.71.1, 4.12.14-122.212.1, 5.3.18-24.61.1, 5.3.18-59.5.2
kernel-obs-build-debugsource - addressed in versions 4.12.14-122.71.2, 4.12.14-122.212.1, 4.12.14-150.72.1, 4.12.14-197.89.2, 5.3.18-24.61.1, 5.3.18-59.5.1
kernel-obs-build - addressed in versions 4.12.14-122.71.2, 4.12.14-122.212.1, 4.12.14-150.72.1, 4.12.14-197.89.2, 5.3.18-24.61.1, 5.3.18-59.5.1
reiserfs-kmp-default-debuginfo - addressed in versions 4.12.14-150.72.1, 4.12.14-197.89.2, 5.3.18-24.61.1, 5.3.18-59.5.2
kernel-zfcpdump-debuginfo - addressed in versions 4.12.14-150.72.1, 4.12.14-197.89.2, 5.3.18-59.5.2
kernel-zfcpdump-debugsource - addressed in versions 4.12.14-150.72.1, 4.12.14-197.89.2, 5.3.18-59.5.2
kernel-default-livepatch - addressed in versions 4.12.14-150.72.1, 4.12.14-197.89.2, 5.3.18-24.61.1, 5.3.18-59.5.2
reiserfs-kmp-default - addressed in versions 4.12.14-150.72.1, 4.12.14-197.89.2, 5.3.18-24.61.1, 5.3.18-59.5.2
kernel-vanilla-debugsource - update to 4.12.14-150.72.1
kernel-vanilla-debuginfo - update to 4.12.14-150.72.1
kernel-vanilla-base-debuginfo - update to 4.12.14-150.72.1
kernel-vanilla-base - update to 4.12.14-150.72.1
kernel-default-livepatch-devel - addressed in versions 4.12.14-197.89.2, 5.3.18-24.61.1, 5.3.18-59.5.2
kernel (Red Hat package) - update to 4.18.0-348.el8
kernel-rt (Red Hat package) - update to 4.18.0-348.rt7.130.el8
kernel - update to 4.19.90-2106.3.0.0095
perf - update to 4.19.90-2106.3.0.0095
kernel-source - update to 4.19.90-2106.3.0.0095
bpftool-debuginfo - update to 4.19.90-2106.3.0.0095
kernel-devel - update to 4.19.90-2106.3.0.0095
kernel-tools - update to 4.19.90-2106.3.0.0095
kernel-tools-devel - update to 4.19.90-2106.3.0.0095
perf-debuginfo - update to 4.19.90-2106.3.0.0095
kernel-debuginfo - update to 4.19.90-2106.3.0.0095
bpftool - update to 4.19.90-2106.3.0.0095
python2-perf-debuginfo - update to 4.19.90-2106.3.0.0095
kernel-debugsource - update to 4.19.90-2106.3.0.0095
python2-perf - update to 4.19.90-2106.3.0.0095
python3-perf - update to 4.19.90-2106.3.0.0095
kernel-tools-debuginfo - update to 4.19.90-2106.3.0.0095
python3-perf-debuginfo - update to 4.19.90-2106.3.0.0095
kernel-azure-devel-debuginfo - addressed in versions 5.3.18-18.44.1, 5.3.18-38.3.1
kernel-preempt-extra - addressed in versions 5.3.18-24.61.1, 5.3.18-59.5.2
kernel-preempt-extra-debuginfo - addressed in versions 5.3.18-24.61.1, 5.3.18-59.5.2
kernel-preempt - addressed in versions 5.3.18-24.61.1, 5.3.18-59.5.2
kernel-preempt-devel-debuginfo - addressed in versions 5.3.18-24.61.1, 5.3.18-59.5.2
kernel-preempt-devel - addressed in versions 5.3.18-24.61.1, 5.3.18-59.5.2
kernel-preempt-debuginfo - addressed in versions 5.3.18-24.61.1, 5.3.18-59.5.2
kernel-preempt-debugsource - addressed in versions 5.3.18-24.61.1, 5.3.18-59.5.2
kernel-zfcpdump - update to 5.3.18-59.5.2
kernel-64kb - update to 5.3.18-59.5.2
kernel-64kb-debuginfo - update to 5.3.18-59.5.2
kernel-64kb-debugsource - update to 5.3.18-59.5.2
kernel-64kb-devel - update to 5.3.18-59.5.2
kernel-64kb-devel-debuginfo - update to 5.3.18-59.5.2

• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f65886606c2d3b562716de030706dfe1bea4ed5e
• https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.10

• ClevOS update for IBM Cloud Object Storage Systems
• SUSE update for the Linux Kernel
• Multiple vulnerabilities in android-emulator-hypervisor-driver-for-amd-processors
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• Multiple vulnerabilities in Dell Data Protection Central
• Red Hat Enterprise Linux 8 update for kernel-rt
• Red Hat Enterprise Linux 8 update for kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• openEuler 20.03 LTS SP1 update for kernel