NULL pointer dereference in Linux kernel - CVE-2022-48646

Vulnerability identifier: #VU90565

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-2022-48646

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 NULL pointer dereference within the efx_siena_hard_start_xmit() function in drivers/net/ethernet/sfc/siena/tx.c. A local user can perform a denial of service (DoS) attack.

Linux kernel
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Workstation Extension 15
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise Micro
SUSE Linux Enterprise Live Patching
SUSE Real Time Module
Legacy Module
Development Tools Module
Basesystem Module
Public Cloud Module
openSUSE Leap
IBM API Connect
kernel-livepatch-5_14_21-150500_55_62-default-debuginfo
kernel-livepatch-5_14_21-150500_55_62-default
kernel-livepatch-SLE15-SP5_Update_13-debugsource
kernel-livepatch-SLE15-SP5-RT_Update_14-debugsource
kernel-livepatch-5_14_21-150500_13_52-rt
kernel-livepatch-5_14_21-150500_13_52-rt-debuginfo
kernel-rt_debug-devel-debuginfo
reiserfs-kmp-rt
gfs2-kmp-rt
kernel-rt_debug-vdso-debuginfo
kernel-rt
kernel-rt_debug
dlm-kmp-rt-debuginfo
kernel-rt-devel
kernel-syms-rt
kernel-rt_debug-vdso
kernel-rt-extra
ocfs2-kmp-rt-debuginfo
kernel-rt-optional
kernel-rt_debug-debugsource
cluster-md-kmp-rt-debuginfo
kernel-rt_debug-devel
ocfs2-kmp-rt
kernel-rt_debug-livepatch-devel
kernel-rt-vdso
kernel-devel-rt
kernel-source-rt
kernel-rt-extra-debuginfo
kselftests-kmp-rt-debuginfo
cluster-md-kmp-rt
kernel-rt-livepatch-devel
reiserfs-kmp-rt-debuginfo
kernel-rt-debuginfo
kernel-rt-devel-debuginfo
kernel-rt-debugsource
kernel-rt-vdso-debuginfo
kernel-rt_debug-debuginfo
kernel-rt-optional-debuginfo
kernel-rt-livepatch
dlm-kmp-rt
kselftests-kmp-rt
gfs2-kmp-rt-debuginfo
cluster-md-kmp-azure-debuginfo
ocfs2-kmp-azure-debuginfo
kernel-source-azure
kernel-azure-debuginfo
kernel-azure-extra-debuginfo
reiserfs-kmp-azure
kernel-devel-azure
gfs2-kmp-azure-debuginfo
dlm-kmp-azure
kernel-azure-debugsource
kselftests-kmp-azure
kernel-azure-devel
dlm-kmp-azure-debuginfo
kernel-azure-livepatch-devel
cluster-md-kmp-azure
kernel-azure-optional-debuginfo
kernel-azure-optional
reiserfs-kmp-azure-debuginfo
kselftests-kmp-azure-debuginfo
ocfs2-kmp-azure
kernel-azure-devel-debuginfo
kernel-syms-azure
gfs2-kmp-azure
kernel-azure
kernel-azure-extra
kernel-azure-vdso
kernel-azure-vdso-debuginfo
dtb-qcom
dtb-xilinx
dtb-sprd
dtb-renesas
dtb-hisilicon
dtb-aarch64
dtb-lg
dtb-amlogic
dtb-mediatek
dtb-apm
dtb-amazon
dtb-allwinner
dtb-exynos
dtb-freescale
dtb-nvidia
dtb-rockchip
dtb-arm
dtb-cavium
dtb-broadcom
dtb-amd
dtb-altera
dtb-marvell
dtb-socionext
dtb-apple
kernel-syms
kernel-obs-qa
kernel-default-optional-debuginfo
kernel-kvmsmall-livepatch-devel
kernel-kvmsmall-debugsource
kernel-kvmsmall-devel
kernel-kvmsmall-debuginfo
kernel-obs-build
gfs2-kmp-default-debuginfo
kernel-default-livepatch-devel
kernel-default-optional
kernel-debug-vdso-debuginfo
dlm-kmp-default
kernel-default-devel-debuginfo
dlm-kmp-default-debuginfo
reiserfs-kmp-default
ocfs2-kmp-default-debuginfo
cluster-md-kmp-default-debuginfo
kernel-default-extra-debuginfo
reiserfs-kmp-default-debuginfo
kernel-debug-devel-debuginfo
kernel-docs
kernel-devel
kernel-macros
kernel-source-vanilla
kernel-docs-html
kernel-source
kernel-debug
kernel-debug-debugsource
kernel-debug-devel
kernel-kvmsmall-devel-debuginfo
kernel-debug-debuginfo
kernel-debug-livepatch-devel
kernel-debug-vdso
kernel-default-vdso
kernel-kvmsmall-vdso
kernel-kvmsmall-vdso-debuginfo
kernel-default-vdso-debuginfo
kselftests-kmp-64kb-debuginfo
kernel-64kb-extra
ocfs2-kmp-64kb-debuginfo
reiserfs-kmp-64kb-debuginfo
reiserfs-kmp-64kb
kernel-64kb-debugsource
kselftests-kmp-64kb
ocfs2-kmp-64kb
kernel-64kb-devel
dlm-kmp-64kb
kernel-default
kernel-64kb
kernel-kvmsmall
kernel-zfcpdump
kernel-zfcpdump-debuginfo
cluster-md-kmp-64kb-debuginfo
gfs2-kmp-64kb
kernel-zfcpdump-debugsource
dlm-kmp-64kb-debuginfo
kernel-64kb-extra-debuginfo
kernel-64kb-livepatch-devel
kernel-default-devel
ocfs2-kmp-default
kernel-64kb-debuginfo
kernel-64kb-devel-debuginfo
kselftests-kmp-default-debuginfo
cluster-md-kmp-64kb
kernel-obs-build-debugsource
kernel-64kb-optional
gfs2-kmp-64kb-debuginfo
cluster-md-kmp-default
gfs2-kmp-default
kernel-default-livepatch
kernel-default-debuginfo
kernel-default-debugsource
kernel-64kb-optional-debuginfo
kselftests-kmp-default
kernel-default-extra
kernel-default-base-rebuild
kernel-default-base

Install update from vendor's website.

Linux kernel - addressed in versions 5.19.12, 6.0
IBM API Connect - update to 10.0.8.5
kernel-livepatch-5_14_21-150500_55_62-default-debuginfo - update to 1-150500.11.3.2
kernel-livepatch-5_14_21-150500_55_62-default - update to 1-150500.11.3.2
kernel-livepatch-SLE15-SP5_Update_13-debugsource - update to 1-150500.11.3.2
kernel-livepatch-SLE15-SP5-RT_Update_14-debugsource - update to 1-150500.11.5.1
kernel-livepatch-5_14_21-150500_13_52-rt - update to 1-150500.11.5.1
kernel-livepatch-5_14_21-150500_13_52-rt-debuginfo - update to 1-150500.11.5.1
kernel-rt_debug-devel-debuginfo - update to 5.14.21-150500.13.52.1
reiserfs-kmp-rt - update to 5.14.21-150500.13.52.1
gfs2-kmp-rt - update to 5.14.21-150500.13.52.1
kernel-rt_debug-vdso-debuginfo - update to 5.14.21-150500.13.52.1
kernel-rt - update to 5.14.21-150500.13.52.1
kernel-rt_debug - update to 5.14.21-150500.13.52.1
dlm-kmp-rt-debuginfo - update to 5.14.21-150500.13.52.1
kernel-rt-devel - update to 5.14.21-150500.13.52.1
kernel-syms-rt - update to 5.14.21-150500.13.52.1
kernel-rt_debug-vdso - update to 5.14.21-150500.13.52.1
kernel-rt-extra - update to 5.14.21-150500.13.52.1
ocfs2-kmp-rt-debuginfo - update to 5.14.21-150500.13.52.1
kernel-rt-optional - update to 5.14.21-150500.13.52.1
kernel-rt_debug-debugsource - update to 5.14.21-150500.13.52.1
cluster-md-kmp-rt-debuginfo - update to 5.14.21-150500.13.52.1
kernel-rt_debug-devel - update to 5.14.21-150500.13.52.1
ocfs2-kmp-rt - update to 5.14.21-150500.13.52.1
kernel-rt_debug-livepatch-devel - update to 5.14.21-150500.13.52.1
kernel-rt-vdso - update to 5.14.21-150500.13.52.1
kernel-devel-rt - update to 5.14.21-150500.13.52.1
kernel-source-rt - update to 5.14.21-150500.13.52.1
kernel-rt-extra-debuginfo - update to 5.14.21-150500.13.52.1
kselftests-kmp-rt-debuginfo - update to 5.14.21-150500.13.52.1
cluster-md-kmp-rt - update to 5.14.21-150500.13.52.1
kernel-rt-livepatch-devel - update to 5.14.21-150500.13.52.1
reiserfs-kmp-rt-debuginfo - update to 5.14.21-150500.13.52.1
kernel-rt-debuginfo - update to 5.14.21-150500.13.52.1
kernel-rt-devel-debuginfo - update to 5.14.21-150500.13.52.1
kernel-rt-debugsource - update to 5.14.21-150500.13.52.1
kernel-rt-vdso-debuginfo - update to 5.14.21-150500.13.52.1
kernel-rt_debug-debuginfo - update to 5.14.21-150500.13.52.1
kernel-rt-optional-debuginfo - update to 5.14.21-150500.13.52.1
kernel-rt-livepatch - update to 5.14.21-150500.13.52.1
dlm-kmp-rt - update to 5.14.21-150500.13.52.1
kselftests-kmp-rt - update to 5.14.21-150500.13.52.1
gfs2-kmp-rt-debuginfo - update to 5.14.21-150500.13.52.1
cluster-md-kmp-azure-debuginfo - update to 5.14.21-150500.33.51.1
ocfs2-kmp-azure-debuginfo - update to 5.14.21-150500.33.51.1
kernel-source-azure - update to 5.14.21-150500.33.51.1
kernel-azure-debuginfo - update to 5.14.21-150500.33.51.1
kernel-azure-extra-debuginfo - update to 5.14.21-150500.33.51.1
reiserfs-kmp-azure - update to 5.14.21-150500.33.51.1
kernel-devel-azure - update to 5.14.21-150500.33.51.1
gfs2-kmp-azure-debuginfo - update to 5.14.21-150500.33.51.1
dlm-kmp-azure - update to 5.14.21-150500.33.51.1
kernel-azure-debugsource - update to 5.14.21-150500.33.51.1
kselftests-kmp-azure - update to 5.14.21-150500.33.51.1
kernel-azure-devel - update to 5.14.21-150500.33.51.1
dlm-kmp-azure-debuginfo - update to 5.14.21-150500.33.51.1
kernel-azure-livepatch-devel - update to 5.14.21-150500.33.51.1
cluster-md-kmp-azure - update to 5.14.21-150500.33.51.1
kernel-azure-optional-debuginfo - update to 5.14.21-150500.33.51.1
kernel-azure-optional - update to 5.14.21-150500.33.51.1
reiserfs-kmp-azure-debuginfo - update to 5.14.21-150500.33.51.1
kselftests-kmp-azure-debuginfo - update to 5.14.21-150500.33.51.1
ocfs2-kmp-azure - update to 5.14.21-150500.33.51.1
kernel-azure-devel-debuginfo - update to 5.14.21-150500.33.51.1
kernel-syms-azure - update to 5.14.21-150500.33.51.1
gfs2-kmp-azure - update to 5.14.21-150500.33.51.1
kernel-azure - update to 5.14.21-150500.33.51.1
kernel-azure-extra - update to 5.14.21-150500.33.51.1
kernel-azure-vdso - update to 5.14.21-150500.33.51.1
kernel-azure-vdso-debuginfo - update to 5.14.21-150500.33.51.1
dtb-qcom - update to 5.14.21-150500.55.62.1
dtb-xilinx - update to 5.14.21-150500.55.62.1
dtb-sprd - update to 5.14.21-150500.55.62.1
dtb-renesas - update to 5.14.21-150500.55.62.1
dtb-hisilicon - update to 5.14.21-150500.55.62.1
dtb-aarch64 - update to 5.14.21-150500.55.62.1
dtb-lg - update to 5.14.21-150500.55.62.1
dtb-amlogic - update to 5.14.21-150500.55.62.1
dtb-mediatek - update to 5.14.21-150500.55.62.1
dtb-apm - update to 5.14.21-150500.55.62.1
dtb-amazon - update to 5.14.21-150500.55.62.1
dtb-allwinner - update to 5.14.21-150500.55.62.1
dtb-exynos - update to 5.14.21-150500.55.62.1
dtb-freescale - update to 5.14.21-150500.55.62.1
dtb-nvidia - update to 5.14.21-150500.55.62.1
dtb-rockchip - update to 5.14.21-150500.55.62.1
dtb-arm - update to 5.14.21-150500.55.62.1
dtb-cavium - update to 5.14.21-150500.55.62.1
dtb-broadcom - update to 5.14.21-150500.55.62.1
dtb-amd - update to 5.14.21-150500.55.62.1
dtb-altera - update to 5.14.21-150500.55.62.1
dtb-marvell - update to 5.14.21-150500.55.62.1
dtb-socionext - update to 5.14.21-150500.55.62.1
dtb-apple - update to 5.14.21-150500.55.62.1
kernel-syms - update to 5.14.21-150500.55.62.1
kernel-obs-qa - update to 5.14.21-150500.55.62.1
kernel-default-optional-debuginfo - update to 5.14.21-150500.55.62.2
kernel-kvmsmall-livepatch-devel - update to 5.14.21-150500.55.62.2
kernel-kvmsmall-debugsource - update to 5.14.21-150500.55.62.2
kernel-kvmsmall-devel - update to 5.14.21-150500.55.62.2
kernel-kvmsmall-debuginfo - update to 5.14.21-150500.55.62.2
kernel-obs-build - update to 5.14.21-150500.55.62.2
gfs2-kmp-default-debuginfo - update to 5.14.21-150500.55.62.2
kernel-default-livepatch-devel - update to 5.14.21-150500.55.62.2
kernel-default-optional - update to 5.14.21-150500.55.62.2
kernel-debug-vdso-debuginfo - update to 5.14.21-150500.55.62.2
dlm-kmp-default - update to 5.14.21-150500.55.62.2
kernel-default-devel-debuginfo - update to 5.14.21-150500.55.62.2
dlm-kmp-default-debuginfo - update to 5.14.21-150500.55.62.2
reiserfs-kmp-default - update to 5.14.21-150500.55.62.2
ocfs2-kmp-default-debuginfo - update to 5.14.21-150500.55.62.2
cluster-md-kmp-default-debuginfo - update to 5.14.21-150500.55.62.2
kernel-default-extra-debuginfo - update to 5.14.21-150500.55.62.2
reiserfs-kmp-default-debuginfo - update to 5.14.21-150500.55.62.2
kernel-debug-devel-debuginfo - update to 5.14.21-150500.55.62.2
kernel-docs - update to 5.14.21-150500.55.62.2
kernel-devel - update to 5.14.21-150500.55.62.2
kernel-macros - update to 5.14.21-150500.55.62.2
kernel-source-vanilla - update to 5.14.21-150500.55.62.2
kernel-docs-html - update to 5.14.21-150500.55.62.2
kernel-source - update to 5.14.21-150500.55.62.2
kernel-debug - update to 5.14.21-150500.55.62.2
kernel-debug-debugsource - update to 5.14.21-150500.55.62.2
kernel-debug-devel - update to 5.14.21-150500.55.62.2
kernel-kvmsmall-devel-debuginfo - update to 5.14.21-150500.55.62.2
kernel-debug-debuginfo - update to 5.14.21-150500.55.62.2
kernel-debug-livepatch-devel - update to 5.14.21-150500.55.62.2
kernel-debug-vdso - update to 5.14.21-150500.55.62.2
kernel-default-vdso - update to 5.14.21-150500.55.62.2
kernel-kvmsmall-vdso - update to 5.14.21-150500.55.62.2
kernel-kvmsmall-vdso-debuginfo - update to 5.14.21-150500.55.62.2
kernel-default-vdso-debuginfo - update to 5.14.21-150500.55.62.2
kselftests-kmp-64kb-debuginfo - update to 5.14.21-150500.55.62.2
kernel-64kb-extra - update to 5.14.21-150500.55.62.2
ocfs2-kmp-64kb-debuginfo - update to 5.14.21-150500.55.62.2
reiserfs-kmp-64kb-debuginfo - update to 5.14.21-150500.55.62.2
reiserfs-kmp-64kb - update to 5.14.21-150500.55.62.2
kernel-64kb-debugsource - update to 5.14.21-150500.55.62.2
kselftests-kmp-64kb - update to 5.14.21-150500.55.62.2
ocfs2-kmp-64kb - update to 5.14.21-150500.55.62.2
kernel-64kb-devel - update to 5.14.21-150500.55.62.2
dlm-kmp-64kb - update to 5.14.21-150500.55.62.2
kernel-default - update to 5.14.21-150500.55.62.2
kernel-64kb - update to 5.14.21-150500.55.62.2
kernel-kvmsmall - update to 5.14.21-150500.55.62.2
kernel-zfcpdump - update to 5.14.21-150500.55.62.2
kernel-zfcpdump-debuginfo - update to 5.14.21-150500.55.62.2
cluster-md-kmp-64kb-debuginfo - update to 5.14.21-150500.55.62.2
gfs2-kmp-64kb - update to 5.14.21-150500.55.62.2
kernel-zfcpdump-debugsource - update to 5.14.21-150500.55.62.2
dlm-kmp-64kb-debuginfo - update to 5.14.21-150500.55.62.2
kernel-64kb-extra-debuginfo - update to 5.14.21-150500.55.62.2
kernel-64kb-livepatch-devel - update to 5.14.21-150500.55.62.2
kernel-default-devel - update to 5.14.21-150500.55.62.2
ocfs2-kmp-default - update to 5.14.21-150500.55.62.2
kernel-64kb-debuginfo - update to 5.14.21-150500.55.62.2
kernel-64kb-devel-debuginfo - update to 5.14.21-150500.55.62.2
kselftests-kmp-default-debuginfo - update to 5.14.21-150500.55.62.2
cluster-md-kmp-64kb - update to 5.14.21-150500.55.62.2
kernel-obs-build-debugsource - update to 5.14.21-150500.55.62.2
kernel-64kb-optional - update to 5.14.21-150500.55.62.2
gfs2-kmp-64kb-debuginfo - update to 5.14.21-150500.55.62.2
cluster-md-kmp-default - update to 5.14.21-150500.55.62.2
gfs2-kmp-default - update to 5.14.21-150500.55.62.2
kernel-default-livepatch - update to 5.14.21-150500.55.62.2
kernel-default-debuginfo - update to 5.14.21-150500.55.62.2
kernel-default-debugsource - update to 5.14.21-150500.55.62.2
kernel-64kb-optional-debuginfo - update to 5.14.21-150500.55.62.2
kselftests-kmp-default - update to 5.14.21-150500.55.62.2
kernel-default-extra - update to 5.14.21-150500.55.62.2
kernel-default-base-rebuild - update to 5.14.21-150500.55.62.2.150500.6.27.2
kernel-default-base - update to 5.14.21-150500.55.62.2.150500.6.27.2

• https://git.kernel.org/stable/c/a4eadca702dff0768dd01be6789bbec2a18e5b0a
• https://git.kernel.org/stable/c/589c6eded10c77a12b7b2cf235b6b19a2bdb91fa
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.12
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0

• NULL pointer dereference in Linux kernel sfc siena driver
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• Multiple vulnerabilities in IBM API Connect