Integer underflow in Linux kernel - CVE-2022-48828

Vulnerability identifier: #VU94466

CSH Severity: Low

CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2022-48828

CWE-ID: CWE-191

Exploitation vector: Local access

Exploit availability: No public exploit available

Affected software:
Linux kernel
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise High Availability Extension 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Software Development Kit 12
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Real Time 12
SUSE Linux Enterprise Workstation Extension 15
SUSE Manager Server
SUSE Manager Retail Branch Server
SUSE Manager Proxy
SUSE Linux Enterprise Micro for Rancher
SUSE Linux Enterprise Micro
openSUSE Leap Micro
Anolis OS
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux for Real Time - Telecommunications Update Service
Red Hat Enterprise Linux Server - TUS
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
Public Cloud Module
Basesystem Module
Development Tools Module
Legacy 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_225-default
kernel-livepatch-SLE15-SP4_Update_29-debugsource
kernel-livepatch-5_14_21-150400_24_128-default-debuginfo
kernel-livepatch-5_14_21-150400_24_128-default
kernel-livepatch-5_14_21-150500_13_64-rt
kernel-livepatch-5_14_21-150500_55_73-default-debuginfo
kernel-livepatch-5_14_21-150500_55_73-default
kernel-livepatch-SLE15-SP5_Update_17-debugsource
kernel-livepatch-5_14_21-150500_13_64-rt-debuginfo
kernel-livepatch-SLE15-SP5-RT_Update_18-debugsource
kernel-rt_debug-devel-debuginfo
kernel-rt_debug-debuginfo
kernel-rt-debuginfo
cluster-md-kmp-rt-debuginfo
kernel-rt-base-debuginfo
kernel-rt-base
cluster-md-kmp-rt
kernel-rt_debug-debugsource
dlm-kmp-rt
dlm-kmp-rt-debuginfo
kernel-rt_debug-devel
ocfs2-kmp-rt-debuginfo
kernel-rt-debugsource
kernel-rt-devel
gfs2-kmp-rt-debuginfo
kernel-rt-devel-debuginfo
gfs2-kmp-rt
kernel-syms-rt
ocfs2-kmp-rt
kernel-source-rt
kernel-devel-rt
kernel-rt
kernel-rt_debug
kernel-azure
kernel-source-azure
kernel-azure-debuginfo
kernel-syms-azure
kernel-azure-base-debuginfo
kernel-azure-base
kernel-azure-devel
kernel-azure-debugsource
kernel-devel-azure
gfs2-kmp-default-debuginfo
kernel-default
kernel-source
kernel-devel
kernel-macros
kernel-default-devel-debuginfo
kernel-default-kgraft-devel
kernel-default-kgraft
kernel-obs-build-debugsource
kernel-obs-build
kernel-default-man
kernel-default-extra
kernel-default-extra-debuginfo
kernel-default-devel
kernel-default-base
cluster-md-kmp-default-debuginfo
kernel-default-debuginfo
gfs2-kmp-default
kernel-default-base-debuginfo
ocfs2-kmp-default-debuginfo
kernel-syms
dlm-kmp-default
kernel-default-debugsource
dlm-kmp-default-debuginfo
ocfs2-kmp-default
cluster-md-kmp-default
kernel-docs
kernel (Red Hat package)
kernel-rt (Red Hat package)
bpftool-debuginfo
kernel-debuginfo
kernel-tools-debuginfo
python3-perf-debuginfo
python3-perf
python2-perf-debuginfo
kernel-debugsource
python2-perf
kernel-tools
bpftool
perf-debuginfo
kernel-tools-devel
kernel
perf
kernel-headers
kernel-modules-internal
kernel-core
kernel-tools-libs-devel
kernel-tools-libs
kernel-debug-devel
kernel-debug
kernel-modules-extra
kernel-modules
kernel-debug-core
kernel-debug-modules-internal
kernel-debug-modules-extra
kernel-debug-modules
kernel-64kb-devel-debuginfo
reiserfs-kmp-default
kernel-obs-qa
kernel-default-livepatch-devel
kernel-default-optional-debuginfo
kernel-64kb-debugsource
kernel-64kb-debuginfo
kernel-64kb-devel
reiserfs-kmp-default-debuginfo
kernel-64kb
kernel-debug-debuginfo
kernel-default-optional
kselftests-kmp-default-debuginfo
kernel-default-livepatch
kselftests-kmp-default
kernel-kvmsmall-debugsource
kernel-kvmsmall-livepatch-devel
kernel-kvmsmall-devel-debuginfo
kernel-kvmsmall-devel
kernel-kvmsmall-debuginfo
kernel-debug-devel-debuginfo
kernel-debug-debugsource
kernel-debug-livepatch-devel
dtb-aarch64
kernel-docs-html
kernel-source-vanilla
kernel-zfcpdump-debuginfo
kernel-zfcpdump-debugsource
kernel-zfcpdump
dlm-kmp-64kb
cluster-md-kmp-64kb-debuginfo
dtb-amlogic
dtb-renesas
dtb-hisilicon
cluster-md-kmp-64kb
kselftests-kmp-64kb
dtb-apm
kernel-64kb-optional-debuginfo
dtb-rockchip
gfs2-kmp-64kb
dtb-arm
kernel-kvmsmall
dtb-amazon
dtb-socionext
dtb-xilinx
dtb-nvidia
kernel-64kb-livepatch-devel
dtb-qcom
dtb-sprd
dtb-marvell
dtb-broadcom
dtb-mediatek
dtb-lg
dtb-amd
ocfs2-kmp-64kb
gfs2-kmp-64kb-debuginfo
kselftests-kmp-64kb-debuginfo
ocfs2-kmp-64kb-debuginfo
dtb-exynos
dtb-apple
reiserfs-kmp-64kb-debuginfo
dtb-cavium
kernel-64kb-extra-debuginfo
dtb-allwinner
kernel-64kb-optional
dlm-kmp-64kb-debuginfo
reiserfs-kmp-64kb
dtb-freescale
kernel-64kb-extra
dtb-altera
kernel-default-base-rebuild
kselftests-kmp-rt
kernel-rt-extra
kernel-rt-vdso-debuginfo
kernel-rt-livepatch-devel
kernel-rt-optional
kernel-rt-extra-debuginfo
kernel-rt_debug-vdso-debuginfo
reiserfs-kmp-rt-debuginfo
kernel-rt_debug-vdso
kernel-rt_debug-livepatch-devel
reiserfs-kmp-rt
kernel-rt-livepatch
kernel-rt-optional-debuginfo
kselftests-kmp-rt-debuginfo
kernel-rt-vdso
dlm-kmp-azure
kernel-azure-extra
kernel-azure-optional
kselftests-kmp-azure
kernel-azure-devel-debuginfo
dlm-kmp-azure-debuginfo
kselftests-kmp-azure-debuginfo
cluster-md-kmp-azure-debuginfo
kernel-azure-extra-debuginfo
reiserfs-kmp-azure
reiserfs-kmp-azure-debuginfo
ocfs2-kmp-azure
kernel-azure-optional-debuginfo
gfs2-kmp-azure
ocfs2-kmp-azure-debuginfo
cluster-md-kmp-azure
gfs2-kmp-azure-debuginfo
kernel-azure-livepatch-devel
kernel-azure-vdso-debuginfo
kernel-azure-vdso
kernel-debug-vdso-debuginfo
kernel-debug-vdso
kernel-default-vdso-debuginfo
kernel-default-vdso
kernel-kvmsmall-vdso
kernel-kvmsmall-vdso-debuginfo
Dell EMC Storage Monitoring and Reporting (SMR)
Storage Resource Manager
Dell Secure Connect Gateway

The vulnerability allows a local user to execute arbitrary code.

The vulnerability exists due to integer underflow within the nfsd_setattr() function in fs/nfsd/vfs.c. A local user can execute arbitrary code.

Install update from vendor's website.

• https://git.kernel.org/stable/c/38d02ba22e43b6fc7d291cf724bc6e3b7be6626b
• https://git.kernel.org/stable/c/8e0ecaf7a7e57b30284d6b3289cc436100fadc48
• https://git.kernel.org/stable/c/da22ca1ad548429d7822011c54cfe210718e0aa7
• https://git.kernel.org/stable/c/e6faac3f58c7c4176b66f63def17a34232a17b0e
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.220
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.24
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.10
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17