NULL pointer dereference in Linux kernel - CVE-2023-52915

Vulnerability identifier: #VU96934

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-2023-52915

CWE-ID: CWE-476

Exploitation vector: Local access

Exploit availability: No public exploit available

Affected software:
Linux kernel
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise Software Development Kit 12
SUSE Linux Enterprise High Availability Extension 12
SUSE Linux Enterprise Real Time 12
SUSE Linux Enterprise Workstation Extension 15
SUSE Linux Enterprise Micro
openSUSE Leap Micro
SUSE Linux Enterprise Live Patching
SUSE Linux Enterprise Workstation Extension 12
Public Cloud Module
Legacy Module
Development Tools Module
Basesystem Module
SUSE Real Time Module
Confidential Computing Module
openSUSE Leap
openEuler
RecoverPoint for Virtual Machines
kgraft-patch-4_12_14-122_231-default
kernel-livepatch-5_14_21-150500_13_79-rt
kernel-livepatch-5_14_21-150500_13_79-rt-debuginfo
kernel-livepatch-SLE15-SP5-RT_Update_23-debugsource
kernel-livepatch-5_14_21-150500_55_88-default-debuginfo
kernel-livepatch-5_14_21-150500_55_88-default
kernel-livepatch-SLE15-SP5_Update_21-debugsource
kernel-livepatch-6_4_0-150600_10_14-rt-debuginfo
kernel-livepatch-6_4_0-150600_10_14-rt
kernel-livepatch-SLE15-SP6-RT_Update_4-debugsource
kernel-livepatch-SLE15-SP6_Update_5-debugsource
kernel-livepatch-6_4_0-150600_23_25-default-debuginfo
kernel-livepatch-6_4_0-150600_23_25-default
kernel-rt-debugsource
kernel-rt-base
kernel-rt-devel-debuginfo
gfs2-kmp-rt
gfs2-kmp-rt-debuginfo
dlm-kmp-rt
kernel-rt-devel
kernel-rt-debuginfo
kernel-rt_debug-debugsource
cluster-md-kmp-rt
kernel-syms-rt
kernel-rt_debug-debuginfo
kernel-rt_debug-devel-debuginfo
kernel-rt-base-debuginfo
cluster-md-kmp-rt-debuginfo
dlm-kmp-rt-debuginfo
kernel-rt_debug-devel
ocfs2-kmp-rt-debuginfo
ocfs2-kmp-rt
kernel-source-rt
kernel-devel-rt
kernel-rt_debug
kernel-rt
kernel-source-azure
kernel-azure-debugsource
kernel-azure-base-debuginfo
kernel-azure-devel
kernel-azure-base
kernel-syms-azure
kernel-azure-debuginfo
kernel-azure
kernel-devel-azure
kernel-docs
kernel-obs-build-debugsource
kernel-obs-build
kernel-default
kernel-default-debuginfo
kernel-default-debugsource
kernel-default-base-debuginfo
kernel-default-kgraft
kernel-default-kgraft-devel
kernel-default-extra-debuginfo
kernel-default-extra
dlm-kmp-default
cluster-md-kmp-default
ocfs2-kmp-default
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gfs2-kmp-default-debuginfo
dlm-kmp-default-debuginfo
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kernel-default-base
kernel-default-devel
kernel-syms
kernel-source
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kernel-default-man
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bpftool
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python2-perf
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kernel-tools
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python3-perf
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kernel-headers
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kernel-rt-vdso
reiserfs-kmp-rt-debuginfo
kernel-rt-livepatch
kselftests-kmp-rt-debuginfo
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reiserfs-kmp-rt
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kernel-rt-optional-debuginfo
kernel-rt-livepatch-devel
kernel-rt_debug-vdso
kernel-rt-extra
cluster-md-kmp-azure-debuginfo
kernel-azure-vdso-debuginfo
kernel-azure-vdso
kselftests-kmp-azure-debuginfo
kernel-azure-devel-debuginfo
kernel-azure-optional-debuginfo
reiserfs-kmp-azure-debuginfo
reiserfs-kmp-azure
gfs2-kmp-azure
dlm-kmp-azure-debuginfo
cluster-md-kmp-azure
kernel-azure-optional
gfs2-kmp-azure-debuginfo
dlm-kmp-azure
ocfs2-kmp-azure
kselftests-kmp-azure
ocfs2-kmp-azure-debuginfo
kernel-azure-extra
kernel-azure-extra-debuginfo
kernel-zfcpdump-debugsource
kernel-zfcpdump-debuginfo
kernel-zfcpdump
kernel-64kb-debugsource
kernel-64kb-devel
kernel-64kb-debuginfo
kernel-64kb-devel-debuginfo
kernel-64kb
kernel-default-livepatch-devel
kernel-default-livepatch
reiserfs-kmp-default
reiserfs-kmp-default-debuginfo
kernel-devel-coco
kernel-coco
kernel-coco_debug
kernel-coco-debugsource
kernel-coco_debug-debuginfo
kernel-coco_debug-devel
kernel-coco_debug-debugsource
kernel-coco-devel
kernel-coco-vdso-debuginfo
reiserfs-kmp-coco
kernel-coco-debuginfo
kernel-coco_debug-devel-debuginfo
reiserfs-kmp-coco-debuginfo
kernel-syms-coco
kernel-source-coco
kernel-azure-livepatch-devel
kernel-rt_debug-livepatch-devel
kernel-debug-devel-debuginfo
kernel-debug-livepatch-devel
kernel-debug-debuginfo
kernel-debug-devel
kernel-debug-debugsource
kernel-debug
kernel-source-vanilla
kernel-debug-vdso
kernel-64kb-extra
dtb-aarch64
gfs2-kmp-64kb-debuginfo
dtb-cavium
kernel-64kb-optional-debuginfo
dtb-broadcom
dtb-renesas
dlm-kmp-64kb
dtb-nvidia
dlm-kmp-64kb-debuginfo
kernel-64kb-livepatch-devel
dtb-allwinner
reiserfs-kmp-64kb-debuginfo
dtb-altera
ocfs2-kmp-64kb-debuginfo
reiserfs-kmp-64kb
kselftests-kmp-64kb-debuginfo
dtb-apple
dtb-mediatek
dtb-socionext
dtb-hisilicon
kernel-default-optional-debuginfo
kselftests-kmp-default
kselftests-kmp-default-debuginfo
kernel-64kb-extra-debuginfo
kernel-obs-qa
kernel-kvmsmall
kernel-default-optional
dtb-arm
kernel-default-vdso-debuginfo
dtb-marvell
kernel-kvmsmall-livepatch-devel
kernel-kvmsmall-debuginfo
kernel-kvmsmall-devel-debuginfo
kernel-kvmsmall-debugsource
kernel-kvmsmall-devel
kernel-debug-vdso-debuginfo
kernel-kvmsmall-vdso-debuginfo
kernel-default-vdso
kernel-kvmsmall-vdso
ocfs2-kmp-64kb
cluster-md-kmp-64kb-debuginfo
dtb-qcom
kselftests-kmp-64kb
dtb-amazon
dtb-lg
dtb-rockchip
dtb-freescale
dtb-exynos
dtb-apm
dtb-xilinx
kernel-64kb-optional
cluster-md-kmp-64kb
dtb-sprd
dtb-amlogic
gfs2-kmp-64kb
dtb-amd
kernel-default-base-rebuild
kernel-docs-html

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

The vulnerability exists due to NULL pointer dereference within the af9035_i2c_master_xfer() function in drivers/media/usb/dvb-usb-v2/af9035.c. A local user can perform a denial of service (DoS) attack.

Install update from vendor's website.

• https://git.kernel.org/stable/c/b2f54ed7739dfdf42c4df0a11131aad7c8635464
• https://git.kernel.org/stable/c/fa58d9db5cad4bb7bb694b6837e3b96d87554f2b
• https://git.kernel.org/stable/c/b49c6e5dd236787f13a062ec528d724169f11152
• https://git.kernel.org/stable/c/6c01ef65de0b321b2db1ef9abf8f1d15862b937e
• https://git.kernel.org/stable/c/d9ef84a7c222497ecb5fdf93361c76931804825e
• https://git.kernel.org/stable/c/0143f282b15f7cedc0392ea10050fb6000fd16e6
• https://git.kernel.org/stable/c/41b7181a40af84448a2b144fb02d8bf32b7e9a23
• https://git.kernel.org/stable/c/7bf744f2de0a848fb1d717f5831b03db96feae89
• https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.326
• https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.295
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.197
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.133
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.257
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.55
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.5
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6