NULL pointer dereference in Linux kernel - CVE-2023-4385

Vulnerability identifier: #VU80800

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-2023-4385

CWE-ID: CWE-476

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 a NULL pointer dereference error within the dbFree() function in fs/jfs/jfs_dmap.c in the journaling file system (JFS). A local user can perform a denial of service (DoS) attack.

Linux kernel
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise Server 11
SUSE Linux Enterprise High Availability Extension 12
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Software Development Kit 12
SUSE Linux Enterprise Real Time 12
SUSE Manager Proxy
SUSE Manager Retail Branch Server
SUSE Manager Server
SUSE CaaS Platform
SUSE Linux Enterprise Micro
SUSE Linux Enterprise Micro for Rancher
Anolis OS
SUSE Enterprise Storage
SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE
SUSE Linux Enterprise Live Patching
SUSE Linux Enterprise Workstation Extension 12
Ubuntu
SUSE Linux Enterprise Server 15 SP1 Business Critical Linux
SUSE Linux Enterprise Server 15 SP1 LTSS
SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS
SUSE Linux Enterprise Server 15 SP2 Business Critical Linux
SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS
SUSE Linux Enterprise Server 15 SP2 LTSS
SUSE Linux Enterprise Server 15 SP3 LTSS
SUSE Linux Enterprise Server 15 SP3 Business Critical Linux
openSUSE Leap
openEuler
linux-image-aws (Ubuntu package)
linux-image-4.4.0-1123-aws (Ubuntu package)
linux-image-virtual-lts-xenial (Ubuntu package)
linux-image-virtual (Ubuntu package)
linux-image-lowlatency-lts-xenial (Ubuntu package)
linux-image-lowlatency (Ubuntu package)
linux-image-kvm (Ubuntu package)
linux-image-generic-lts-xenial (Ubuntu package)
linux-image-generic (Ubuntu package)
linux-image-4.4.0-245-lowlatency (Ubuntu package)
linux-image-4.4.0-245-generic (Ubuntu package)
linux-image-4.4.0-1161-aws (Ubuntu package)
linux-image-4.4.0-1124-kvm (Ubuntu package)
kgraft-patch-4_12_14-122_176-default
kernel-livepatch-4_12_14-150100_197_157-default
kernel-livepatch-5_3_18-150200_24_163-default
kernel-livepatch-5_3_18-150200_24_163-default-debuginfo
kernel-livepatch-SLE15-SP2_Update_40-debugsource
kernel-livepatch-5_3_18-150300_59_133-default
kernel-xen
kernel-trace
kernel-default
kernel-default-base
kernel-default-devel
kernel-source
kernel-xen-devel
kernel-trace-devel
kernel-xen-base
kernel-syms
kernel-ec2-devel
kernel-ec2-base
kernel-trace-base
kernel-ec2
kernel-syms-rt
kernel-rt_debug
kernel-rt_debug-devel
kernel-rt-base
dlm-kmp-rt
dlm-kmp-rt-debuginfo
kernel-rt-base-debuginfo
ocfs2-kmp-rt-debuginfo
gfs2-kmp-rt
kernel-rt_debug-debugsource
cluster-md-kmp-rt
kernel-rt-debugsource
ocfs2-kmp-rt
kernel-rt-debuginfo
kernel-rt-devel
cluster-md-kmp-rt-debuginfo
kernel-rt_debug-debuginfo
kernel-rt-devel-debuginfo
gfs2-kmp-rt-debuginfo
kernel-devel-rt
kernel-source-rt
kernel-rt_debug-devel-debuginfo
kernel-rt
kernel-azure-base
kernel-azure
kernel-azure-debuginfo
kernel-azure-base-debuginfo
kernel-syms-azure
kernel-azure-devel
kernel-azure-debugsource
kernel-source-azure
kernel-devel-azure
kernel-default-base-debuginfo
dlm-kmp-default-debuginfo
dlm-kmp-default
ocfs2-kmp-default-debuginfo
ocfs2-kmp-default
kernel-macros
kernel-devel
gfs2-kmp-default-debuginfo
kernel-default-devel-debuginfo
kernel-default-kgraft-devel
kernel-default-extra-debuginfo
kernel-default-extra
kernel-default-man
kernel-obs-build-debugsource
kernel-obs-build
kernel-docs
kernel-default-kgraft
kernel-default-debugsource
cluster-md-kmp-default-debuginfo
kernel-default-debuginfo
cluster-md-kmp-default
gfs2-kmp-default
kernel-default-livepatch-devel
kernel-default-livepatch
kernel-zfcpdump-man
kernel-vanilla
kernel-kvmsmall-base
kernel-kvmsmall-base-debuginfo
reiserfs-kmp-default
kernel-zfcpdump-debuginfo
kernel-zfcpdump-debugsource
reiserfs-kmp-default-debuginfo
kernel-kvmsmall
kernel-zfcpdump
kernel-debug
kernel-debug-base-debuginfo
kernel-debug-base
kernel-vanilla-livepatch-devel
kernel-vanilla-debuginfo
kernel-vanilla-devel
kernel-vanilla-devel-debuginfo
kernel-vanilla-base
kernel-vanilla-debugsource
kernel-vanilla-base-debuginfo
kernel-tools
kernel-tools-devel
python2-perf-debuginfo
kernel-debugsource
kernel-debuginfo
perf-debuginfo
kernel-tools-debuginfo
python3-perf-debuginfo
kernel
bpftool-debuginfo
python3-perf
bpftool
perf
python2-perf
kernel-debug-core
kernel-modules
kernel-debug-devel
kernel-debug-modules
kernel-debug-modules-extra
kernel-headers
kernel-modules-extra
kernel-modules-internal
kernel-tools-libs
kernel-tools-libs-devel
kernel-core
python-perf
kernel-preempt
kernel-preempt-debuginfo
kernel-preempt-devel
kernel-preempt-debugsource
kernel-preempt-devel-debuginfo
kernel-64kb
kernel-64kb-debugsource
kernel-64kb-debuginfo
kernel-64kb-devel-debuginfo
kernel-64kb-devel
dtb-al
dtb-zte
dtb-aarch64
RecoverPoint for VMs
Dell EMC NetWorker vProxy

Install updates from vendor's website.

linux-image-aws (Ubuntu package) - update to Ubuntu Pro (Infra-only)
linux-image-4.4.0-1123-aws (Ubuntu package) - update to Ubuntu Pro
linux-image-virtual-lts-xenial (Ubuntu package) - update to Ubuntu Pro (Infra-only)
linux-image-virtual (Ubuntu package) - update to Ubuntu Pro (Infra-only)
linux-image-lowlatency-lts-xenial (Ubuntu package) - update to Ubuntu Pro (Infra-only)
linux-image-lowlatency (Ubuntu package) - update to Ubuntu Pro (Infra-only)
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-generic (Ubuntu package) - update to Ubuntu Pro (Infra-only)
linux-image-4.4.0-245-lowlatency (Ubuntu package) - update to Ubuntu Pro
linux-image-4.4.0-245-generic (Ubuntu package) - update to Ubuntu Pro
linux-image-4.4.0-1161-aws (Ubuntu package) - update to Ubuntu Pro
linux-image-4.4.0-1124-kvm (Ubuntu package) - update to Ubuntu Pro
kgraft-patch-4_12_14-122_176-default - update to 1-8.3.1
kernel-livepatch-4_12_14-150100_197_157-default - update to 1-150100.3.3.1
kernel-livepatch-5_3_18-150200_24_163-default - update to 1-150200.5.3.1
kernel-livepatch-5_3_18-150200_24_163-default-debuginfo - update to 1-150200.5.3.1
kernel-livepatch-SLE15-SP2_Update_40-debugsource - update to 1-150200.5.3.1
kernel-livepatch-5_3_18-150300_59_133-default - update to 1-150300.7.3.1
kernel-xen - update to 3.0.101-108.147.1
kernel-trace - update to 3.0.101-108.147.1
kernel-default - addressed in versions 3.0.101-108.147.1, 4.12.14-122.176.1, 4.12.14-150100.197.157.1, 5.3.18-150200.24.163.1, 5.3.18-150300.59.133.1
kernel-default-base - addressed in versions 3.0.101-108.147.1, 4.12.14-122.176.1, 4.12.14-150100.197.157.1, 5.3.18-150200.24.163.1.150200.9.81.1, 5.3.18-150300.59.133.1.150300.18.78.1
kernel-default-devel - addressed in versions 3.0.101-108.147.1, 4.12.14-122.176.1, 4.12.14-150100.197.157.1, 5.3.18-150200.24.163.1, 5.3.18-150300.59.133.1
kernel-source - addressed in versions 3.0.101-108.147.1, 4.12.14-122.176.1, 4.12.14-150100.197.157.1, 5.3.18-150200.24.163.1, 5.3.18-150300.59.133.1
kernel-xen-devel - update to 3.0.101-108.147.1
kernel-trace-devel - update to 3.0.101-108.147.1
kernel-xen-base - update to 3.0.101-108.147.1
kernel-syms - addressed in versions 3.0.101-108.147.1, 4.12.14-122.176.1, 4.12.14-150100.197.157.1, 5.3.18-150200.24.163.1, 5.3.18-150300.59.133.1
kernel-ec2-devel - update to 3.0.101-108.147.1
kernel-ec2-base - update to 3.0.101-108.147.1
kernel-trace-base - update to 3.0.101-108.147.1
kernel-ec2 - update to 3.0.101-108.147.1
kernel-syms-rt - update to 4.12.14-10.141.1
kernel-rt_debug - update to 4.12.14-10.141.1
kernel-rt_debug-devel - update to 4.12.14-10.141.1
kernel-rt-base - update to 4.12.14-10.141.1
dlm-kmp-rt - update to 4.12.14-10.141.1
dlm-kmp-rt-debuginfo - update to 4.12.14-10.141.1
kernel-rt-base-debuginfo - update to 4.12.14-10.141.1
ocfs2-kmp-rt-debuginfo - update to 4.12.14-10.141.1
gfs2-kmp-rt - update to 4.12.14-10.141.1
kernel-rt_debug-debugsource - update to 4.12.14-10.141.1
cluster-md-kmp-rt - update to 4.12.14-10.141.1
kernel-rt-debugsource - addressed in versions 4.12.14-10.141.1, 5.3.18-150300.141.1
ocfs2-kmp-rt - update to 4.12.14-10.141.1
kernel-rt-debuginfo - addressed in versions 4.12.14-10.141.1, 5.3.18-150300.141.1
kernel-rt-devel - update to 4.12.14-10.141.1
cluster-md-kmp-rt-debuginfo - update to 4.12.14-10.141.1
kernel-rt_debug-debuginfo - update to 4.12.14-10.141.1
kernel-rt-devel-debuginfo - update to 4.12.14-10.141.1
gfs2-kmp-rt-debuginfo - update to 4.12.14-10.141.1
kernel-devel-rt - update to 4.12.14-10.141.1
kernel-source-rt - update to 4.12.14-10.141.1
kernel-rt_debug-devel-debuginfo - update to 4.12.14-10.141.1
kernel-rt - addressed in versions 4.12.14-10.141.1, 5.3.18-150300.141.1
kernel-azure-base - update to 4.12.14-16.149.1
kernel-azure - update to 4.12.14-16.149.1
kernel-azure-debuginfo - update to 4.12.14-16.149.1
kernel-azure-base-debuginfo - update to 4.12.14-16.149.1
kernel-syms-azure - update to 4.12.14-16.149.1
kernel-azure-devel - update to 4.12.14-16.149.1
kernel-azure-debugsource - update to 4.12.14-16.149.1
kernel-source-azure - update to 4.12.14-16.149.1
kernel-devel-azure - update to 4.12.14-16.149.1
kernel-default-base-debuginfo - addressed in versions 4.12.14-122.176.1, 4.12.14-150100.197.157.1
dlm-kmp-default-debuginfo - addressed in versions 4.12.14-122.176.1, 4.12.14-150100.197.157.1, 5.3.18-150200.24.163.1, 5.3.18-150300.59.133.1
dlm-kmp-default - addressed in versions 4.12.14-122.176.1, 4.12.14-150100.197.157.1, 5.3.18-150200.24.163.1, 5.3.18-150300.59.133.1
ocfs2-kmp-default-debuginfo - addressed in versions 4.12.14-122.176.1, 4.12.14-150100.197.157.1, 5.3.18-150200.24.163.1, 5.3.18-150300.59.133.1
ocfs2-kmp-default - addressed in versions 4.12.14-122.176.1, 4.12.14-150100.197.157.1, 5.3.18-150200.24.163.1, 5.3.18-150300.59.133.1
kernel-macros - addressed in versions 4.12.14-122.176.1, 4.12.14-150100.197.157.1, 5.3.18-150200.24.163.1, 5.3.18-150300.59.133.1
kernel-devel - addressed in versions 4.12.14-122.176.1, 4.12.14-150100.197.157.1, 5.3.18-150200.24.163.1, 5.3.18-150300.59.133.1
gfs2-kmp-default-debuginfo - addressed in versions 4.12.14-122.176.1, 4.12.14-150100.197.157.1, 5.3.18-150200.24.163.1, 5.3.18-150300.59.133.1
kernel-default-devel-debuginfo - addressed in versions 4.12.14-122.176.1, 4.12.14-150100.197.157.1, 5.3.18-150200.24.163.1, 5.3.18-150300.59.133.1
kernel-default-kgraft-devel - update to 4.12.14-122.176.1
kernel-default-extra-debuginfo - update to 4.12.14-122.176.1
kernel-default-extra - update to 4.12.14-122.176.1
kernel-default-man - addressed in versions 4.12.14-122.176.1, 4.12.14-150100.197.157.1
kernel-obs-build-debugsource - addressed in versions 4.12.14-122.176.1, 4.12.14-150100.197.157.1, 5.3.18-150200.24.163.1, 5.3.18-150300.59.133.1
kernel-obs-build - addressed in versions 4.12.14-122.176.1, 4.12.14-150100.197.157.1, 5.3.18-150200.24.163.1, 5.3.18-150300.59.133.1
kernel-docs - addressed in versions 4.12.14-122.176.1, 4.12.14-150100.197.157.1, 5.3.18-150200.24.163.1, 5.3.18-150300.59.133.1
kernel-default-kgraft - update to 4.12.14-122.176.1
kernel-default-debugsource - addressed in versions 4.12.14-122.176.1, 4.12.14-150100.197.157.1, 5.3.18-150200.24.163.1, 5.3.18-150300.59.133.1
cluster-md-kmp-default-debuginfo - addressed in versions 4.12.14-122.176.1, 4.12.14-150100.197.157.1, 5.3.18-150200.24.163.1, 5.3.18-150300.59.133.1
kernel-default-debuginfo - addressed in versions 4.12.14-122.176.1, 4.12.14-150100.197.157.1, 5.3.18-150200.24.163.1, 5.3.18-150300.59.133.1
cluster-md-kmp-default - addressed in versions 4.12.14-122.176.1, 4.12.14-150100.197.157.1, 5.3.18-150200.24.163.1, 5.3.18-150300.59.133.1
gfs2-kmp-default - addressed in versions 4.12.14-122.176.1, 4.12.14-150100.197.157.1, 5.3.18-150200.24.163.1, 5.3.18-150300.59.133.1
kernel-default-livepatch-devel - addressed in versions 4.12.14-150100.197.157.1, 5.3.18-150200.24.163.1, 5.3.18-150300.59.133.1
kernel-default-livepatch - addressed in versions 4.12.14-150100.197.157.1, 5.3.18-150200.24.163.1, 5.3.18-150300.59.133.1
kernel-zfcpdump-man - update to 4.12.14-150100.197.157.1
kernel-vanilla - update to 4.12.14-150100.197.157.1
kernel-kvmsmall-base - update to 4.12.14-150100.197.157.1
kernel-kvmsmall-base-debuginfo - update to 4.12.14-150100.197.157.1
reiserfs-kmp-default - addressed in versions 4.12.14-150100.197.157.1, 5.3.18-150200.24.163.1, 5.3.18-150300.59.133.1
kernel-zfcpdump-debuginfo - addressed in versions 4.12.14-150100.197.157.1, 5.3.18-150300.59.133.1
kernel-zfcpdump-debugsource - addressed in versions 4.12.14-150100.197.157.1, 5.3.18-150300.59.133.1
reiserfs-kmp-default-debuginfo - addressed in versions 4.12.14-150100.197.157.1, 5.3.18-150200.24.163.1, 5.3.18-150300.59.133.1
kernel-kvmsmall - update to 4.12.14-150100.197.157.1
kernel-zfcpdump - addressed in versions 4.12.14-150100.197.157.1, 5.3.18-150300.59.133.1
kernel-debug - update to 4.12.14-150100.197.157.1
kernel-debug-base-debuginfo - update to 4.12.14-150100.197.157.1
kernel-debug-base - update to 4.12.14-150100.197.157.1
kernel-vanilla-livepatch-devel - update to 4.12.14-150100.197.157.1
kernel-vanilla-debuginfo - update to 4.12.14-150100.197.157.1
kernel-vanilla-devel - update to 4.12.14-150100.197.157.1
kernel-vanilla-devel-debuginfo - update to 4.12.14-150100.197.157.1
kernel-vanilla-base - update to 4.12.14-150100.197.157.1
kernel-vanilla-debugsource - update to 4.12.14-150100.197.157.1
kernel-vanilla-base-debuginfo - update to 4.12.14-150100.197.157.1
kernel-tools - update to 4.19.90-2308.5.0.0216
kernel-tools-devel - update to 4.19.90-2308.5.0.0216
python2-perf-debuginfo - update to 4.19.90-2308.5.0.0216
kernel-debugsource - update to 4.19.90-2308.5.0.0216
kernel-debuginfo - update to 4.19.90-2308.5.0.0216
perf-debuginfo - update to 4.19.90-2308.5.0.0216
kernel-source - update to 4.19.90-2308.5.0.0216
kernel-tools-debuginfo - update to 4.19.90-2308.5.0.0216
python3-perf-debuginfo - update to 4.19.90-2308.5.0.0216
kernel - update to 4.19.90-2308.5.0.0216
bpftool-debuginfo - update to 4.19.90-2308.5.0.0216
python3-perf - update to 4.19.90-2308.5.0.0216
bpftool - update to 4.19.90-2308.5.0.0216
perf - update to 4.19.90-2308.5.0.0216
python2-perf - update to 4.19.90-2308.5.0.0216
kernel-devel - update to 4.19.90-2308.5.0.0216
kernel-debug-core - addressed in versions 4.19.91-27.8, 4.19.91-28
kernel-modules - addressed in versions 4.19.91-27.8, 4.19.91-28
kernel-debug-devel - addressed in versions 4.19.91-27.8, 4.19.91-28
kernel-debug-modules - addressed in versions 4.19.91-27.8, 4.19.91-28
kernel-debug-modules-extra - addressed in versions 4.19.91-27.8, 4.19.91-28
kernel-devel - addressed in versions 4.19.91-27.8, 4.19.91-28
kernel-headers - addressed in versions 4.19.91-27.8, 4.19.91-28
kernel-modules-extra - addressed in versions 4.19.91-27.8, 4.19.91-28
kernel-modules-internal - addressed in versions 4.19.91-27.8, 4.19.91-28
kernel-tools - addressed in versions 4.19.91-27.8, 4.19.91-28
kernel-tools-libs - addressed in versions 4.19.91-27.8, 4.19.91-28
kernel-tools-libs-devel - addressed in versions 4.19.91-27.8, 4.19.91-28
perf - addressed in versions 4.19.91-27.8, 4.19.91-28
python3-perf - addressed in versions 4.19.91-27.8, 4.19.91-28
kernel-core - addressed in versions 4.19.91-27.8, 4.19.91-28
bpftool - addressed in versions 4.19.91-27.8, 4.19.91-28
kernel - addressed in versions 4.19.91-27.8, 4.19.91-28
kernel-debug - addressed in versions 4.19.91-27.8, 4.19.91-28
python-perf - addressed in versions 4.19.91-27.8, 4.19.91-28
kernel-preempt - addressed in versions 5.3.18-150200.24.163.1, 5.3.18-150300.59.133.1
kernel-preempt-debuginfo - addressed in versions 5.3.18-150200.24.163.1, 5.3.18-150300.59.133.1
kernel-preempt-devel - addressed in versions 5.3.18-150200.24.163.1, 5.3.18-150300.59.133.1
kernel-preempt-debugsource - addressed in versions 5.3.18-150200.24.163.1, 5.3.18-150300.59.133.1
kernel-preempt-devel-debuginfo - addressed in versions 5.3.18-150200.24.163.1, 5.3.18-150300.59.133.1
kernel-64kb - update to 5.3.18-150300.59.133.1
kernel-64kb-debugsource - update to 5.3.18-150300.59.133.1
kernel-64kb-debuginfo - update to 5.3.18-150300.59.133.1
kernel-64kb-devel-debuginfo - update to 5.3.18-150300.59.133.1
kernel-64kb-devel - update to 5.3.18-150300.59.133.1
dtb-al - update to 5.3.18-150300.59.133.1
dtb-zte - update to 5.3.18-150300.59.133.1
dtb-aarch64 - update to 5.3.18-150300.59.133.1
RecoverPoint for VMs - update to 6.0.SP1.P1
Dell EMC NetWorker vProxy - addressed in versions 19.9.0.4, 19.10

• https://bugzilla.redhat.com/show_bug.cgi?id=2219272
• https://github.com/torvalds/linux/commit/0d4837fdb796f99369cf7691d33de1b856bcaf1f
• https://access.redhat.com/security/cve/CVE-2023-4385

• Denial of service in Linux kernel JFS
• 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
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• Dell EMC NetWorker vProxy update for third-party components
• openEuler 20.03 LTS SP3 update for kernel
• openEuler 20.03 LTS SP1 update for kernel
• Multiple vulnerabilities in Dell RecoverPoint for Virtual Machines
• Anolis OS update for kernel
• Anolis OS update for kernel
• Anolis OS update for kernel
• Anolis OS update for kernel