Buffer overflow in Linux kernel - CVE-2022-48769

Vulnerability identifier: #VU93248

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-2022-48769

CWE-ID: CWE-119

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 Server 15
SUSE Linux Enterprise Real Time 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 Software Development Kit 12
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise High Availability Extension 12
SUSE Linux Enterprise Real Time 12
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Workstation Extension 15
SUSE Manager Proxy
SUSE Manager Retail Branch Server
SUSE Manager Server
SUSE Linux Enterprise Micro
SUSE Linux Enterprise Micro for Rancher
openSUSE Leap Micro
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
Legacy Module
Development Tools Module
Basesystem Module
SUSE Real Time Module
Public Cloud Module
openSUSE Leap
RecoverPoint for Virtual Machines
kgraft-patch-4_12_14-122_228-default
kernel-livepatch-5_14_21-150400_24_128-default-debuginfo
kernel-livepatch-SLE15-SP4_Update_29-debugsource
kernel-livepatch-5_14_21-150400_24_128-default
kernel-livepatch-5_14_21-150500_55_73-default-debuginfo
kernel-livepatch-SLE15-SP5-RT_Update_17-debugsource
kernel-livepatch-5_14_21-150500_13_61-rt-debuginfo
kernel-livepatch-5_14_21-150500_13_61-rt
kernel-livepatch-SLE15-SP5_Update_17-debugsource
kernel-livepatch-5_14_21-150500_55_73-default
kernel-rt-base
kernel-syms-rt
kernel-rt_debug-devel-debuginfo
gfs2-kmp-rt-debuginfo
gfs2-kmp-rt
kernel-rt-debugsource
kernel-rt-debuginfo
cluster-md-kmp-rt-debuginfo
kernel-rt_debug-debuginfo
cluster-md-kmp-rt
dlm-kmp-rt
kernel-rt-devel
kernel-rt-base-debuginfo
kernel-rt_debug-debugsource
ocfs2-kmp-rt
ocfs2-kmp-rt-debuginfo
kernel-rt_debug-devel
kernel-rt-devel-debuginfo
dlm-kmp-rt-debuginfo
kernel-devel-rt
kernel-source-rt
kernel-rt
kernel-rt_debug
kernel-devel-azure
kernel-source-azure
kernel-azure-base
kernel-syms-azure
kernel-azure-debugsource
kernel-azure-devel
kernel-azure
kernel-azure-base-debuginfo
kernel-azure-debuginfo
cluster-md-kmp-default-debuginfo
kernel-default-extra-debuginfo
gfs2-kmp-default-debuginfo
ocfs2-kmp-default
kernel-default-debuginfo
kernel-default-base
kernel-syms
kernel-default-debugsource
dlm-kmp-default
cluster-md-kmp-default
ocfs2-kmp-default-debuginfo
kernel-default-base-debuginfo
dlm-kmp-default-debuginfo
kernel-default-devel
kernel-default-extra
kernel-default-man
kernel-default-kgraft
kernel-default-kgraft-devel
kernel-default-devel-debuginfo
kernel-source
kernel-macros
kernel-devel
kernel-default
gfs2-kmp-default
kernel-obs-build
kernel-obs-build-debugsource
kernel-docs
dtb-freescale
kernel-default-optional-debuginfo
reiserfs-kmp-64kb
dlm-kmp-64kb-debuginfo
kernel-64kb-optional
dtb-allwinner
kernel-64kb-extra-debuginfo
dtb-cavium
reiserfs-kmp-64kb-debuginfo
dtb-apple
dtb-exynos
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
dtb-rockchip
dtb-amazon
dtb-socionext
dtb-xilinx
dtb-nvidia
kernel-64kb-livepatch-devel
dtb-qcom
dtb-sprd
dtb-marvell
dtb-broadcom
dlm-kmp-64kb
gfs2-kmp-64kb
kernel-64kb-extra
kernel-64kb-optional-debuginfo
dtb-apm
kselftests-kmp-64kb
cluster-md-kmp-64kb
dtb-hisilicon
dtb-renesas
dtb-amlogic
cluster-md-kmp-64kb-debuginfo
dtb-arm
dtb-mediatek
dtb-altera
kernel-64kb-devel-debuginfo
reiserfs-kmp-default
reiserfs-kmp-default-debuginfo
kernel-64kb-devel
kernel-64kb-debuginfo
kernel-64kb-debugsource
kselftests-kmp-default-debuginfo
kernel-64kb
kernel-default-optional
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
kernel-debug-devel-debuginfo
kernel-debug-debugsource
kernel-debug-debuginfo
kernel-debug-livepatch-devel
kernel-zfcpdump
kernel-zfcpdump-debugsource
kernel-zfcpdump-debuginfo
kernel-source-vanilla
kernel-docs-html
kernel-debug
kernel-default-base-rebuild
kernel-rt_debug-vdso-debuginfo
reiserfs-kmp-rt
kernel-rt-optional
kernel-rt-optional-debuginfo
kernel-rt_debug-vdso
reiserfs-kmp-rt-debuginfo
kselftests-kmp-rt-debuginfo
kselftests-kmp-rt
kernel-rt-extra
kernel-rt-livepatch-devel
kernel-rt_debug-livepatch-devel
kernel-rt-vdso-debuginfo
kernel-rt-vdso
kernel-rt-extra-debuginfo
kernel-rt-livepatch
kernel-azure-devel-debuginfo
kernel-azure-vdso-debuginfo
kernel-azure-vdso
dlm-kmp-azure
cluster-md-kmp-azure
gfs2-kmp-azure
kernel-azure-optional-debuginfo
ocfs2-kmp-azure-debuginfo
kernel-azure-extra
gfs2-kmp-azure-debuginfo
kselftests-kmp-azure
kernel-azure-livepatch-devel
reiserfs-kmp-azure-debuginfo
cluster-md-kmp-azure-debuginfo
dlm-kmp-azure-debuginfo
reiserfs-kmp-azure
kernel-azure-optional
kernel-azure-extra-debuginfo
ocfs2-kmp-azure
kselftests-kmp-azure-debuginfo
kernel-kvmsmall-vdso-debuginfo
kernel-kvmsmall-vdso
kernel-default-vdso
kernel-default-vdso-debuginfo
kernel-debug-vdso
kernel-debug-vdso-debuginfo
Storage Resource Manager
Dell EMC Storage Monitoring and Reporting (SMR)

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

The vulnerability exists due to memory corruption within the efi_systab_report_header() function in drivers/firmware/efi/efi.c. A local user can perform a denial of service (DoS) attack.

Install update from vendor's website.

• https://git.kernel.org/stable/c/b0f1cc093bc2493ac259c53766fd2b800e085807
• https://git.kernel.org/stable/c/3df52448978802ae15dcebf66beba1029df957b4
• https://git.kernel.org/stable/c/a4085859411c825c321c9b55b8a9dc5a128a6684
• https://git.kernel.org/stable/c/f5390cd0b43c2e54c7cf5506c7da4a37c5cef746
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.96
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.19
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.5
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17