Improper locking in Linux kernel - CVE-2022-48786

Vulnerability identifier: #VU94455

CSH Severity: Low

CVSS v4.0: 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/E:U/U:Clear

CVE-ID: CVE-2022-48786

CWE-ID: CWE-667

Exploitation vector: Local access

Exploit availability: No public exploit available

Affected software:
Linux kernel
SUSE Linux Enterprise Real Time 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 High Performance Computing 15
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise High Availability Extension 12
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Real Time 12
SUSE Linux Enterprise Workstation Extension 15
SUSE Linux Enterprise Software Development Kit 12
SUSE Manager Proxy
SUSE Manager Retail Branch Server
SUSE Manager Server
SUSE Linux Enterprise Micro for Rancher
SUSE Linux Enterprise Micro
openSUSE Leap Micro
Red Hat Enterprise Linux Server - TUS
Red Hat Enterprise Linux Server - AUS
SUSE Linux Enterprise Live Patching
SUSE Linux Enterprise Workstation Extension 12
SUSE Linux Enterprise Server 15 SP4 LTSS
SUSE Linux Enterprise Desktop 15 SP4 LTSS
SUSE Real Time Module
Basesystem Module
Development Tools Module
Legacy Module
Public Cloud Module
openSUSE Leap
openEuler
RecoverPoint for Virtual Machines
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
kgraft-patch-4_12_14-122_228-default
kernel-livepatch-5_14_21-150400_24_128-default
kernel-livepatch-5_14_21-150400_24_128-default-debuginfo
kernel-livepatch-SLE15-SP4_Update_29-debugsource
kernel-livepatch-5_14_21-150500_13_64-rt
kernel-livepatch-SLE15-SP5-RT_Update_18-debugsource
kernel-livepatch-5_14_21-150500_13_64-rt-debuginfo
kernel-livepatch-SLE15-SP5_Update_17-debugsource
kernel-livepatch-5_14_21-150500_55_73-default
kernel-livepatch-5_14_21-150500_55_73-default-debuginfo
kernel-rt_debug-debuginfo
ocfs2-kmp-rt-debuginfo
cluster-md-kmp-rt
dlm-kmp-rt
kernel-rt-devel
kernel-rt-base-debuginfo
kernel-rt_debug-debugsource
ocfs2-kmp-rt
kernel-rt_debug-devel
kernel-rt-devel-debuginfo
dlm-kmp-rt-debuginfo
kernel-devel-rt
kernel-source-rt
kernel-rt
kernel-rt_debug
gfs2-kmp-rt-debuginfo
kernel-rt-base
kernel-syms-rt
kernel-rt_debug-devel-debuginfo
gfs2-kmp-rt
kernel-rt-debugsource
cluster-md-kmp-rt-debuginfo
kernel-rt-debuginfo
kernel-azure-debuginfo
kernel-source-azure
kernel-devel-azure
kernel-azure-base-debuginfo
kernel-syms-azure
kernel-azure-debugsource
kernel-azure-devel
kernel-azure-base
kernel-azure
kernel-default-kgraft
kernel-default-devel-debuginfo
kernel-source
kernel-macros
kernel-devel
kernel-default
gfs2-kmp-default
kernel-default-kgraft-devel
dlm-kmp-default-debuginfo
kernel-default-base-debuginfo
ocfs2-kmp-default-debuginfo
kernel-default-man
cluster-md-kmp-default
dlm-kmp-default
kernel-default-debugsource
kernel-syms
kernel-default-base
kernel-default-debuginfo
ocfs2-kmp-default
gfs2-kmp-default-debuginfo
cluster-md-kmp-default-debuginfo
kernel-default-devel
kernel-default-extra-debuginfo
kernel-default-extra
kernel-obs-build
kernel-obs-build-debugsource
kernel-docs
kernel (Red Hat package)
kernel-debuginfo
kernel-tools-debuginfo
python3-perf
kernel-debugsource
perf
python2-perf
python2-perf-debuginfo
kernel-tools
bpftool
perf-debuginfo
kernel-tools-devel
python3-perf-debuginfo
kernel
bpftool-debuginfo
kernel-rt (Red Hat package)
dtb-renesas
dtb-amlogic
cluster-md-kmp-64kb-debuginfo
dtb-arm
dtb-mediatek
reiserfs-kmp-64kb-debuginfo
dtb-allwinner
dtb-altera
kernel-64kb-extra
dtb-freescale
reiserfs-kmp-64kb
dlm-kmp-64kb-debuginfo
kernel-64kb-optional
kernel-64kb-extra-debuginfo
dtb-cavium
dtb-broadcom
dtb-amazon
dtb-socionext
dtb-xilinx
dtb-nvidia
kernel-64kb-livepatch-devel
dtb-qcom
dtb-sprd
dtb-marvell
dtb-hisilicon
dlm-kmp-64kb
gfs2-kmp-64kb
dtb-rockchip
kernel-64kb-optional-debuginfo
dtb-apm
kselftests-kmp-64kb
cluster-md-kmp-64kb
kernel-64kb-devel
reiserfs-kmp-default-debuginfo
reiserfs-kmp-default
kernel-64kb-debuginfo
kernel-zfcpdump
kernel-zfcpdump-debugsource
dtb-exynos
kernel-64kb-debugsource
kernel-64kb-devel-debuginfo
kernel-64kb
dtb-apple
kernel-source-vanilla
ocfs2-kmp-64kb-debuginfo
kselftests-kmp-64kb-debuginfo
gfs2-kmp-64kb-debuginfo
ocfs2-kmp-64kb
dtb-amd
dtb-lg
dtb-aarch64
kernel-kvmsmall
kernel-obs-qa
kernel-default-livepatch-devel
kernel-default-optional-debuginfo
kernel-default-optional
kselftests-kmp-default-debuginfo
kernel-default-livepatch
kselftests-kmp-default
kernel-zfcpdump-debuginfo
kernel-kvmsmall-livepatch-devel
kernel-kvmsmall-debugsource
kernel-kvmsmall-devel-debuginfo
kernel-kvmsmall-devel
kernel-kvmsmall-debuginfo
kernel-debug-devel
kernel-debug-devel-debuginfo
kernel-debug-debugsource
kernel-debug-livepatch-devel
kernel-debug-debuginfo
kernel-debug
kernel-docs-html
kernel-default-base-rebuild
kselftests-kmp-rt-debuginfo
reiserfs-kmp-rt
kernel-rt-optional-debuginfo
kernel-rt-livepatch
kernel-rt_debug-vdso
kernel-rt_debug-livepatch-devel
kernel-rt-vdso
kernel-rt-extra-debuginfo
kselftests-kmp-rt
kernel-rt-extra
kernel-rt-vdso-debuginfo
kernel-rt-optional
kernel-rt_debug-vdso-debuginfo
reiserfs-kmp-rt-debuginfo
kernel-rt-livepatch-devel
dlm-kmp-azure-debuginfo
kselftests-kmp-azure-debuginfo
cluster-md-kmp-azure-debuginfo
kernel-azure-extra-debuginfo
dlm-kmp-azure
reiserfs-kmp-azure
gfs2-kmp-azure-debuginfo
reiserfs-kmp-azure-debuginfo
ocfs2-kmp-azure
kernel-azure-optional-debuginfo
gfs2-kmp-azure
ocfs2-kmp-azure-debuginfo
cluster-md-kmp-azure
kselftests-kmp-azure
kernel-azure-vdso
kernel-azure-vdso-debuginfo
kernel-azure-livepatch-devel
kernel-azure-extra
kernel-azure-optional
kernel-azure-devel-debuginfo
kernel-kvmsmall-vdso
kernel-kvmsmall-vdso-debuginfo
kernel-default-vdso
kernel-default-vdso-debuginfo
kernel-debug-vdso
kernel-debug-vdso-debuginfo
Dell EMC Storage Monitoring and Reporting (SMR)
Storage Resource Manager
Guardium Data Protection

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

The vulnerability exists due to improper locking within the vsock_stream_connect() function in net/vmw_vsock/af_vsock.c. A local user can perform a denial of service (DoS) attack.

Install update from vendor's website.

• https://git.kernel.org/stable/c/0bb88f3f7e8d506f3efe46d694964117e20efbfc
• https://git.kernel.org/stable/c/e3b3939fd137aab6d00d54bee0ee9244b286a608
• https://git.kernel.org/stable/c/2910bcb9f67551a45397735e47b6d456eb8cd549
• https://git.kernel.org/stable/c/5f326fe2aef411a6575628f92bd861463ea91df7
• https://git.kernel.org/stable/c/87cd1bbd6677411e17369cd4b7389ab1e1fdba44
• https://git.kernel.org/stable/c/787468ee7a435777521d33399d012fd591ae2f94
• https://git.kernel.org/stable/c/addd62a8cb6fa90aa322365c62487da61f6baab8
• https://git.kernel.org/stable/c/b9208492fcaecff8f43915529ae34b3bcb03877c
• https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.268
• https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.231
• https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.303
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.102
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.25
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.11
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.181