Integer overflow in Linux kernel - CVE-2021-3428

Vulnerability identifier: #VU51551

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-2021-3428

CWE-ID: CWE-190

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to integer overflow in fs/ext4/extents.c in ext4_es_cache_extent() function, if an extent tree is corrupted in a crafted ext4 filesystem. A local user can mount a specially crafted filesystem and perform a denial of service (DoS) attack.

Linux kernel
SUSE CaaS Platform
SUSE Manager Server
SUSE Manager Retail Branch Server
SUSE Manager Proxy
SUSE MicroOS
SUSE Enterprise Storage
SUSE OpenStack Cloud
SUSE OpenStack Cloud Crowbar
SUSE Linux Enterprise Live Patching
SUSE Linux Enterprise Server for SAP
SUSE Linux Enterprise High Availability
SUSE Linux Enterprise Server
SUSE Linux Enterprise Software Development Kit
SUSE Linux Enterprise Workstation Extension
SUSE Linux Enterprise Real Time Extension
Ubuntu
SUSE Linux Enterprise High Performance Computing
SUSE Linux Enterprise Module for Live Patching
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
SUSE Linux Enterprise Module for Public Cloud
linux-kvm (Ubuntu package)
linux-snapdragon (Ubuntu package)
linux-hwe (Ubuntu package)
linux-gcp (Ubuntu package)
linux-azure (Ubuntu package)
linux (Ubuntu package)
linux-raspi2 (Ubuntu package)
linux-oracle (Ubuntu package)
linux-aws (Ubuntu package)
linux-aws-hwe (Ubuntu package)
linux-azure-4.15 (Ubuntu package)
linux-gcp-4.15 (Ubuntu package)
linux-gke (Ubuntu package)
linux-hwe-5.4 (Ubuntu package)
linux-gkeop-5.4 (Ubuntu package)
linux-ibm (Ubuntu package)
linux-bluefield (Ubuntu package)
linux-gke-5.4 (Ubuntu package)
linux-gkeop (Ubuntu package)
linux-raspi (Ubuntu package)
linux-aws-5.4 (Ubuntu package)
linux-azure-5.4 (Ubuntu package)
linux-oracle-5.4 (Ubuntu package)
linux-gcp-5.4 (Ubuntu package)
linux-raspi-5.4 (Ubuntu package)
linux-image-4.4.0-1155-aws (Ubuntu package)
linux-image-aws (Ubuntu package)
linux-image-4.4.0-1117-aws (Ubuntu package)
linux-image-virtual (Ubuntu package)
linux-image-generic (Ubuntu package)
linux-image-lowlatency-lts-xenial (Ubuntu package)
linux-image-4.4.0-239-lowlatency (Ubuntu package)
linux-image-4.4.0-239-generic (Ubuntu package)
linux-image-kvm (Ubuntu package)
linux-image-generic-lts-xenial (Ubuntu package)
linux-image-4.4.0-1118-kvm (Ubuntu package)
linux-image-virtual-lts-xenial (Ubuntu package)
linux-image-lowlatency (Ubuntu package)
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
kernel-livepatch-5_3_18-24_61-default
kernel-livepatch-5_3_18-24_61-default-debuginfo
kernel-livepatch-SLE15-SP2_Update_12-debugsource
kgraft-patch-4_12_14-95_74-default
kernel-livepatch-SLE15-SP3_Update_1-debugsource
kernel-livepatch-5_3_18-59_5-default
kernel-livepatch-5_3_18-59_5-default-debuginfo
kgraft-patch-4_12_14-122_66-default
kernel-rt-devel-debuginfo
kernel-rt_debug
kernel-rt_debug-debuginfo
kernel-rt_debug-debugsource
kernel-rt_debug-devel-debuginfo
kernel-syms-rt
ocfs2-kmp-rt
ocfs2-kmp-rt-debuginfo
kernel-devel-rt
kernel-source-rt
kernel-rt_debug-devel
kernel-rt-debugsource
kernel-rt-devel
cluster-md-kmp-rt
cluster-md-kmp-rt-debuginfo
dlm-kmp-rt
dlm-kmp-rt-debuginfo
gfs2-kmp-rt
gfs2-kmp-rt-debuginfo
kernel-rt
kernel-rt-base
kernel-rt-base-debuginfo
kernel-rt-debuginfo
kernel-azure
kernel-azure-base
kernel-azure-base-debuginfo
kernel-azure-debuginfo
kernel-azure-debugsource
kernel-azure-devel
kernel-syms-azure
kernel-devel-azure
kernel-source-azure
dlm-kmp-default-debuginfo
dlm-kmp-default
cluster-md-kmp-default-debuginfo
cluster-md-kmp-default
kernel-default-kgraft-devel
kernel-default-kgraft
kernel-default-man
kernel-source
kernel-macros
kernel-devel
kernel-syms
kernel-default-devel-debuginfo
kernel-default-devel
kernel-default-debugsource
kernel-default-debuginfo
kernel-default-base-debuginfo
kernel-default-base
kernel-default
ocfs2-kmp-default-debuginfo
ocfs2-kmp-default
gfs2-kmp-default-debuginfo
gfs2-kmp-default
kernel-obs-build
kernel-obs-build-debugsource
kernel-default-extra-debuginfo
kernel-default-extra
kernel-docs
kernel-vanilla-base-debuginfo
reiserfs-kmp-default-debuginfo
kernel-vanilla-debuginfo
kernel-vanilla-debugsource
reiserfs-kmp-default
kernel-vanilla-base
kernel-zfcpdump-debuginfo
kernel-zfcpdump-debugsource
kernel-default-livepatch
kernel-default-livepatch-devel
kernel-azure-devel-debuginfo
kernel-preempt-extra-debuginfo
kernel-preempt-debugsource
kernel-preempt-debuginfo
kernel-preempt-extra
kernel-preempt-devel
kernel-preempt
kernel-preempt-devel-debuginfo
kernel-64kb
kernel-64kb-debuginfo
kernel-64kb-debugsource
kernel-64kb-devel
kernel-64kb-devel-debuginfo
kernel-zfcpdump
IBM Spectrum Protect Plus

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

linux-kvm (Ubuntu package) - addressed in versions 4.15.0-1092.94, 5.4.0-1049.51
linux-snapdragon (Ubuntu package) - update to 4.15.0-1103.112
linux-hwe (Ubuntu package) - update to 4.15.0-144.148~16.04.1
linux-gcp (Ubuntu package) - addressed in versions 4.15.0-1100.113~16.04.1, 5.4.0-1057.61
linux-azure (Ubuntu package) - addressed in versions 4.15.0-1115.128~14.04.1, 4.15.0-1115.128~16.04.1, 5.4.0-1063.66
linux (Ubuntu package) - addressed in versions 4.15.0-144.148, 5.4.0-90.101
linux-raspi2 (Ubuntu package) - update to 4.15.0-1086.91
linux-oracle (Ubuntu package) - addressed in versions 4.15.0-1072.80~16.04.1, 4.15.0-1072.80, 5.4.0-1057.61
linux-aws (Ubuntu package) - addressed in versions 4.15.0-1103.110, 5.4.0-1059.62
linux-aws-hwe (Ubuntu package) - update to 4.15.0-1103.110~16.04.1
linux-azure-4.15 (Ubuntu package) - update to 4.15.0-1115.128
linux-gcp-4.15 (Ubuntu package) - update to 4.15.0-1100.113
linux-gke (Ubuntu package) - update to 5.4.0-1055.58
linux-hwe-5.4 (Ubuntu package) - update to 5.4.0-90.101~18.04.1
linux-gkeop-5.4 (Ubuntu package) - update to 5.4.0-1026.27~18.04.1
linux-ibm (Ubuntu package) - update to 5.4.0-1007.8
linux-bluefield (Ubuntu package) - update to 5.4.0-1021.24
linux-gke-5.4 (Ubuntu package) - update to 5.4.0-1055.58~18.04.1
linux-gkeop (Ubuntu package) - update to 5.4.0-1026.27
linux-raspi (Ubuntu package) - update to 5.4.0-1046.50
linux-aws-5.4 (Ubuntu package) - update to 5.4.0-1059.62~18.04.1
linux-azure-5.4 (Ubuntu package) - update to 5.4.0-1063.66~18.04.1
linux-oracle-5.4 (Ubuntu package) - update to 5.4.0-1057.61~18.04.1
linux-gcp-5.4 (Ubuntu package) - update to 5.4.0-1057.61~18.04.1
linux-raspi-5.4 (Ubuntu package) - update to 5.4.0-1046.50~18.04.1
linux-image-4.4.0-1155-aws (Ubuntu package) - update to Ubuntu Pro
linux-image-aws (Ubuntu package) - update to Ubuntu Pro (Infra-only)
linux-image-4.4.0-1117-aws (Ubuntu package) - update to Ubuntu Pro
linux-image-virtual (Ubuntu package) - update to Ubuntu Pro (Infra-only)
linux-image-generic (Ubuntu package) - update to Ubuntu Pro (Infra-only)
linux-image-lowlatency-lts-xenial (Ubuntu package) - update to Ubuntu Pro (Infra-only)
linux-image-4.4.0-239-lowlatency (Ubuntu package) - update to Ubuntu Pro
linux-image-4.4.0-239-generic (Ubuntu package) - update to Ubuntu Pro
linux-image-kvm (Ubuntu package) - update to Ubuntu Pro (Infra-only)
linux-image-generic-lts-xenial (Ubuntu package) - update to Ubuntu Pro (Infra-only)
linux-image-4.4.0-1118-kvm (Ubuntu package) - update to Ubuntu Pro
linux-image-virtual-lts-xenial (Ubuntu package) - update to Ubuntu Pro (Infra-only)
linux-image-lowlatency (Ubuntu package) - update to Ubuntu Pro (Infra-only)
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
kernel-livepatch-5_3_18-24_61-default - update to 1-5.3.4
kernel-livepatch-5_3_18-24_61-default-debuginfo - update to 1-5.3.4
kernel-livepatch-SLE15-SP2_Update_12-debugsource - 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 - update to 1-7.5.1
kernel-livepatch-5_3_18-59_5-default-debuginfo - update to 1-7.5.1
kgraft-patch-4_12_14-122_66-default - update to 1-8.3.2
kernel-rt-devel-debuginfo - addressed in versions 4.12.14-10.37.1, 5.3.18-33.1
kernel-rt_debug - update to 4.12.14-10.37.1
kernel-rt_debug-debuginfo - addressed in versions 4.12.14-10.37.1, 5.3.18-33.1
kernel-rt_debug-debugsource - addressed in versions 4.12.14-10.37.1, 5.3.18-33.1
kernel-rt_debug-devel-debuginfo - addressed in versions 4.12.14-10.37.1, 5.3.18-33.1
kernel-syms-rt - addressed in versions 4.12.14-10.37.1, 5.3.18-33.1
ocfs2-kmp-rt - addressed in versions 4.12.14-10.37.1, 5.3.18-33.1
ocfs2-kmp-rt-debuginfo - addressed in versions 4.12.14-10.37.1, 5.3.18-33.1
kernel-devel-rt - addressed in versions 4.12.14-10.37.1, 5.3.18-33.1
kernel-source-rt - addressed in versions 4.12.14-10.37.1, 5.3.18-33.1
kernel-rt_debug-devel - addressed in versions 4.12.14-10.37.1, 5.3.18-33.1
kernel-rt-debugsource - addressed in versions 4.12.14-10.37.1, 5.3.18-8.7.1, 5.3.18-33.1
kernel-rt-devel - addressed in versions 4.12.14-10.37.1, 5.3.18-33.1
cluster-md-kmp-rt - addressed in versions 4.12.14-10.37.1, 5.3.18-33.1
cluster-md-kmp-rt-debuginfo - addressed in versions 4.12.14-10.37.1, 5.3.18-33.1
dlm-kmp-rt - addressed in versions 4.12.14-10.37.1, 5.3.18-33.1
dlm-kmp-rt-debuginfo - addressed in versions 4.12.14-10.37.1, 5.3.18-33.1
gfs2-kmp-rt - addressed in versions 4.12.14-10.37.1, 5.3.18-33.1
gfs2-kmp-rt-debuginfo - addressed in versions 4.12.14-10.37.1, 5.3.18-33.1
kernel-rt - addressed in versions 4.12.14-10.37.1, 5.3.18-8.7.1, 5.3.18-33.1
kernel-rt-base - update to 4.12.14-10.37.1
kernel-rt-base-debuginfo - update to 4.12.14-10.37.1
kernel-rt-debuginfo - addressed in versions 4.12.14-10.37.1, 5.3.18-8.7.1, 5.3.18-33.1
kernel-azure - addressed in versions 4.12.14-16.50.1, 5.3.18-18.41.1, 5.3.18-38.3.1
kernel-azure-base - update to 4.12.14-16.50.1
kernel-azure-base-debuginfo - update to 4.12.14-16.50.1
kernel-azure-debuginfo - addressed in versions 4.12.14-16.50.1, 5.3.18-18.41.1, 5.3.18-38.3.1
kernel-azure-debugsource - addressed in versions 4.12.14-16.50.1, 5.3.18-18.41.1, 5.3.18-38.3.1
kernel-azure-devel - addressed in versions 4.12.14-16.50.1, 5.3.18-18.41.1, 5.3.18-38.3.1
kernel-syms-azure - addressed in versions 4.12.14-16.50.1, 5.3.18-18.41.1, 5.3.18-38.3.1
kernel-devel-azure - addressed in versions 4.12.14-16.50.1, 5.3.18-18.41.1, 5.3.18-38.3.1
kernel-source-azure - addressed in versions 4.12.14-16.50.1, 5.3.18-18.41.1, 5.3.18-38.3.1
dlm-kmp-default-debuginfo - addressed in versions 4.12.14-95.74.1, 4.12.14-122.66.2, 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 - addressed in versions 4.12.14-95.74.1, 4.12.14-122.66.2, 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 4.12.14-95.74.1, 4.12.14-122.66.2, 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 4.12.14-95.74.1, 4.12.14-122.66.2, 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-devel - addressed in versions 4.12.14-95.74.1, 4.12.14-122.66.2
kernel-default-kgraft - addressed in versions 4.12.14-95.74.1, 4.12.14-122.66.2
kernel-default-man - addressed in versions 4.12.14-95.74.1, 4.12.14-122.66.2, 4.12.14-150.72.1, 4.12.14-197.89.2
kernel-source - addressed in versions 4.12.14-95.74.1, 4.12.14-122.66.2, 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 4.12.14-95.74.1, 4.12.14-122.66.2, 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 4.12.14-95.74.1, 4.12.14-122.66.2, 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-syms - addressed in versions 4.12.14-95.74.1, 4.12.14-122.66.2, 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-devel-debuginfo - addressed in versions 4.12.14-95.74.1, 4.12.14-122.66.2, 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-devel - addressed in versions 4.12.14-95.74.1, 4.12.14-122.66.2, 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-debugsource - addressed in versions 4.12.14-95.74.1, 4.12.14-122.66.2, 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 4.12.14-95.74.1, 4.12.14-122.66.2, 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 4.12.14-95.74.1, 4.12.14-122.66.2, 4.12.14-197.89.2
kernel-default-base - addressed in versions 4.12.14-95.74.1, 4.12.14-122.66.2, 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 4.12.14-95.74.1, 4.12.14-122.66.2, 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 4.12.14-95.74.1, 4.12.14-122.66.2, 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 4.12.14-95.74.1, 4.12.14-122.66.2, 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 4.12.14-95.74.1, 4.12.14-122.66.2, 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 4.12.14-95.74.1, 4.12.14-122.66.2, 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-obs-build - addressed in versions 4.12.14-122.66.2, 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-debugsource - addressed in versions 4.12.14-122.66.2, 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-extra-debuginfo - addressed in versions 4.12.14-122.66.2, 5.3.18-24.61.1, 5.3.18-59.5.2
kernel-default-extra - addressed in versions 4.12.14-122.66.2, 5.3.18-24.61.1, 5.3.18-59.5.2
kernel-docs - addressed in versions 4.12.14-122.66.2, 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-vanilla-base-debuginfo - update to 4.12.14-150.72.1
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-vanilla-debuginfo - update to 4.12.14-150.72.1
kernel-vanilla-debugsource - update to 4.12.14-150.72.1
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-base - update to 4.12.14-150.72.1
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
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-azure-devel-debuginfo - addressed in versions 5.3.18-18.41.1, 5.3.18-38.3.1
kernel-preempt-extra-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-preempt-debuginfo - addressed in versions 5.3.18-24.61.1, 5.3.18-59.5.2
kernel-preempt-extra - 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 - 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-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
kernel-zfcpdump - update to 5.3.18-59.5.2
IBM Spectrum Protect Plus - update to 10.1.15.2

• http://seclists.org/oss-sec/2021/q1/212
• https://bugzilla.redhat.com/show_bug.cgi?id=1936786
• https://bugzilla.suse.com/show_bug.cgi?id=1173485

• Denial of service in ext4_es_cache_extent in Linux kernel
• Ubuntu update for linux
• Ubuntu update for linux-aws
• Ubuntu update for linux-aws
• Ubuntu update for linux
• Multiple vulnerabilities in IBM Spectrum Protect Plus
• 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
• Ubuntu update for linux
• Ubuntu update for linux-bluefield