Buffer overflow in Linux kernel - CVE-2023-52778

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Main Vulnerability Database Vulnerabilities #VU93169

Buffer overflow in Linux kernel - CVE-2023-52778

Published: June 24, 2024 / Updated: May 13, 2025


Vulnerability identifier: #VU93169
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-2023-52778
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to memory corruption within the mptcp_update_infinite_map() and mptcp_sendmsg_frag() functions in net/mptcp/protocol.c. A local user can perform a denial of service (DoS) attack.


Affected software

Linux kernel
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Workstation Extension 15
Development Tools Module
Basesystem Module
SUSE Linux Enterprise Live Patching
Legacy Module
Confidential Computing Module
SUSE Real Time Module
Public Cloud Module
openSUSE Leap
SmartFabric Manager
Dell EMC VxRail Appliance
kernel-livepatch-SLE15-SP6-RT_Update_6-debugsource
kernel-livepatch-6_4_0-150600_10_20-rt
kernel-livepatch-6_4_0-150600_10_20-rt-debuginfo
kernel-livepatch-6_4_0-150600_23_30-default
kernel-livepatch-SLE15-SP6_Update_6-debugsource
kernel-livepatch-6_4_0-150600_23_30-default-debuginfo
kernel-coco_debug
kernel-coco
kernel-coco_debug-debuginfo
kernel-coco_debug-devel
kernel-coco_debug-debugsource
kernel-coco_debug-devel-debuginfo
reiserfs-kmp-coco-debuginfo
kernel-coco-vdso-debuginfo
kernel-coco-debugsource
kernel-coco-devel
reiserfs-kmp-coco
kernel-syms-coco
kernel-coco-debuginfo
kernel-source-coco
kernel-devel-coco
kernel-azure-debugsource
dlm-kmp-azure
dlm-kmp-azure-debuginfo
kernel-azure-extra
cluster-md-kmp-azure-debuginfo
kernel-azure-devel-debuginfo
kernel-azure
kernel-azure-vdso
kernel-azure-vdso-debuginfo
kernel-devel-azure
kernel-source-azure
kselftests-kmp-azure
reiserfs-kmp-azure
kernel-azure-optional-debuginfo
kernel-azure-devel
ocfs2-kmp-azure-debuginfo
ocfs2-kmp-azure
gfs2-kmp-azure-debuginfo
kernel-azure-optional
kernel-syms-azure
cluster-md-kmp-azure
kernel-azure-debuginfo
kernel-azure-extra-debuginfo
reiserfs-kmp-azure-debuginfo
gfs2-kmp-azure
kselftests-kmp-azure-debuginfo
kernel-rt-devel
kernel-rt_debug-vdso
kselftests-kmp-rt-debuginfo
kernel-rt_debug-debugsource
kernel-rt-debugsource
gfs2-kmp-rt-debuginfo
kernel-rt_debug
kernel-rt
kernel-source-rt
kernel-devel-rt
kernel-rt-livepatch-devel
cluster-md-kmp-rt-debuginfo
gfs2-kmp-rt
dlm-kmp-rt-debuginfo
kselftests-kmp-rt
kernel-rt-debuginfo
kernel-syms-rt
kernel-rt-optional-debuginfo
kernel-rt-vdso-debuginfo
kernel-rt-vdso
kernel-rt-extra-debuginfo
cluster-md-kmp-rt
kernel-rt_debug-devel
ocfs2-kmp-rt-debuginfo
ocfs2-kmp-rt
kernel-rt_debug-devel-debuginfo
reiserfs-kmp-rt
kernel-rt-devel-debuginfo
dlm-kmp-rt
kernel-rt_debug-debuginfo
kernel-rt-optional
kernel-rt-extra
reiserfs-kmp-rt-debuginfo
kernel-rt_debug-vdso-debuginfo
kernel-64kb-optional-debuginfo
kernel-64kb
cluster-md-kmp-64kb-debuginfo
ocfs2-kmp-64kb
dtb-marvell
dtb-qcom
dtb-xilinx
dtb-exynos
kernel-64kb-devel-debuginfo
kernel-default-debugsource
cluster-md-kmp-default
cluster-md-kmp-default-debuginfo
kernel-obs-build
kernel-obs-build-debugsource
kselftests-kmp-default
kernel-default-debuginfo
kernel-default-optional-debuginfo
kernel-syms
kernel-default-extra
kernel-obs-qa
kselftests-kmp-default-debuginfo
kernel-default-devel
ocfs2-kmp-default-debuginfo
kernel-default-devel-debuginfo
dlm-kmp-default-debuginfo
kernel-default-livepatch
kernel-default-optional
ocfs2-kmp-default
reiserfs-kmp-default-debuginfo
gfs2-kmp-default
dtb-renesas
kernel-kvmsmall-vdso-debuginfo
kernel-macros
kernel-devel
kernel-docs-html
kernel-source-vanilla
kernel-source
kernel-debug
kernel-debug-debugsource
kernel-debug-devel-debuginfo
kernel-debug-devel
kernel-debug-debuginfo
kernel-default-extra-debuginfo
kernel-default-vdso-debuginfo
kernel-kvmsmall-vdso
kernel-debug-vdso
kernel-debug-vdso-debuginfo
kernel-default-vdso
kernel-kvmsmall-devel-debuginfo
kernel-kvmsmall-debugsource
kernel-kvmsmall-debuginfo
kernel-kvmsmall-devel
reiserfs-kmp-default
dtb-altera
gfs2-kmp-default-debuginfo
dtb-apple
dlm-kmp-64kb
dtb-amd
dlm-kmp-64kb-debuginfo
dtb-sprd
dtb-hisilicon
gfs2-kmp-64kb-debuginfo
kernel-64kb-debuginfo
kernel-64kb-debugsource
reiserfs-kmp-64kb-debuginfo
dtb-nvidia
gfs2-kmp-64kb
kselftests-kmp-64kb
kselftests-kmp-64kb-debuginfo
dtb-socionext
dtb-amlogic
dtb-lg
kernel-64kb-extra-debuginfo
dtb-rockchip
kernel-docs
kernel-64kb-extra
dlm-kmp-default
kernel-default
kernel-default-livepatch-devel
kernel-kvmsmall
kernel-zfcpdump
kernel-zfcpdump-debugsource
kernel-zfcpdump-debuginfo
dtb-aarch64
dtb-amazon
dtb-allwinner
dtb-arm
kernel-64kb-devel
kernel-64kb-optional
dtb-cavium
dtb-apm
dtb-freescale
reiserfs-kmp-64kb
cluster-md-kmp-64kb
ocfs2-kmp-64kb-debuginfo
dtb-mediatek
dtb-broadcom
kernel-default-base-rebuild
kernel-default-base
APEX Cloud Platform for Red Hat OpenShift

How to mitigate CVE-2023-52778

Install update from vendor's website.

Linux kernel - addressed in versions 6.1.64, 6.5.13, 6.6.3, 6.7
SmartFabric Manager - addressed in versions 1.2.0, 1.3.0
Dell EMC VxRail Appliance - update to 8.321
kernel-livepatch-SLE15-SP6-RT_Update_6-debugsource - update to 1-150600.1.3.1
kernel-livepatch-6_4_0-150600_10_20-rt - update to 1-150600.1.3.1
kernel-livepatch-6_4_0-150600_10_20-rt-debuginfo - update to 1-150600.1.3.1
kernel-livepatch-6_4_0-150600_23_30-default - update to 1-150600.13.3.5
kernel-livepatch-SLE15-SP6_Update_6-debugsource - update to 1-150600.13.3.5
kernel-livepatch-6_4_0-150600_23_30-default-debuginfo - update to 1-150600.13.3.5
APEX Cloud Platform for Red Hat OpenShift - update to 03.02.04.00
kernel-coco_debug - update to 6.4.0-15061.9.coco15sp6.1
kernel-coco - update to 6.4.0-15061.9.coco15sp6.1
kernel-coco_debug-debuginfo - update to 6.4.0-15061.9.coco15sp6.1
kernel-coco_debug-devel - update to 6.4.0-15061.9.coco15sp6.1
kernel-coco_debug-debugsource - update to 6.4.0-15061.9.coco15sp6.1
kernel-coco_debug-devel-debuginfo - update to 6.4.0-15061.9.coco15sp6.1
reiserfs-kmp-coco-debuginfo - update to 6.4.0-15061.9.coco15sp6.1
kernel-coco-vdso-debuginfo - update to 6.4.0-15061.9.coco15sp6.1
kernel-coco-debugsource - update to 6.4.0-15061.9.coco15sp6.1
kernel-coco-devel - update to 6.4.0-15061.9.coco15sp6.1
reiserfs-kmp-coco - update to 6.4.0-15061.9.coco15sp6.1
kernel-syms-coco - update to 6.4.0-15061.9.coco15sp6.1
kernel-coco-debuginfo - update to 6.4.0-15061.9.coco15sp6.1
kernel-source-coco - update to 6.4.0-15061.9.coco15sp6.1
kernel-devel-coco - update to 6.4.0-15061.9.coco15sp6.1
kernel-azure-debugsource - update to 6.4.0-150600.8.20.1
dlm-kmp-azure - update to 6.4.0-150600.8.20.1
dlm-kmp-azure-debuginfo - update to 6.4.0-150600.8.20.1
kernel-azure-extra - update to 6.4.0-150600.8.20.1
cluster-md-kmp-azure-debuginfo - update to 6.4.0-150600.8.20.1
kernel-azure-devel-debuginfo - update to 6.4.0-150600.8.20.1
kernel-azure - update to 6.4.0-150600.8.20.1
kernel-azure-vdso - update to 6.4.0-150600.8.20.1
kernel-azure-vdso-debuginfo - update to 6.4.0-150600.8.20.1
kernel-devel-azure - update to 6.4.0-150600.8.20.1
kernel-source-azure - update to 6.4.0-150600.8.20.1
kselftests-kmp-azure - update to 6.4.0-150600.8.20.1
reiserfs-kmp-azure - update to 6.4.0-150600.8.20.1
kernel-azure-optional-debuginfo - update to 6.4.0-150600.8.20.1
kernel-azure-devel - update to 6.4.0-150600.8.20.1
ocfs2-kmp-azure-debuginfo - update to 6.4.0-150600.8.20.1
ocfs2-kmp-azure - update to 6.4.0-150600.8.20.1
gfs2-kmp-azure-debuginfo - update to 6.4.0-150600.8.20.1
kernel-azure-optional - update to 6.4.0-150600.8.20.1
kernel-syms-azure - update to 6.4.0-150600.8.20.1
cluster-md-kmp-azure - update to 6.4.0-150600.8.20.1
kernel-azure-debuginfo - update to 6.4.0-150600.8.20.1
kernel-azure-extra-debuginfo - update to 6.4.0-150600.8.20.1
reiserfs-kmp-azure-debuginfo - update to 6.4.0-150600.8.20.1
gfs2-kmp-azure - update to 6.4.0-150600.8.20.1
kselftests-kmp-azure-debuginfo - update to 6.4.0-150600.8.20.1
kernel-rt-devel - update to 6.4.0-150600.10.20.1
kernel-rt_debug-vdso - update to 6.4.0-150600.10.20.1
kselftests-kmp-rt-debuginfo - update to 6.4.0-150600.10.20.1
kernel-rt_debug-debugsource - update to 6.4.0-150600.10.20.1
kernel-rt-debugsource - update to 6.4.0-150600.10.20.1
gfs2-kmp-rt-debuginfo - update to 6.4.0-150600.10.20.1
kernel-rt_debug - update to 6.4.0-150600.10.20.1
kernel-rt - update to 6.4.0-150600.10.20.1
kernel-source-rt - update to 6.4.0-150600.10.20.1
kernel-devel-rt - update to 6.4.0-150600.10.20.1
kernel-rt-livepatch-devel - update to 6.4.0-150600.10.20.1
cluster-md-kmp-rt-debuginfo - update to 6.4.0-150600.10.20.1
gfs2-kmp-rt - update to 6.4.0-150600.10.20.1
dlm-kmp-rt-debuginfo - update to 6.4.0-150600.10.20.1
kselftests-kmp-rt - update to 6.4.0-150600.10.20.1
kernel-rt-debuginfo - update to 6.4.0-150600.10.20.1
kernel-syms-rt - update to 6.4.0-150600.10.20.1
kernel-rt-optional-debuginfo - update to 6.4.0-150600.10.20.1
kernel-rt-vdso-debuginfo - update to 6.4.0-150600.10.20.1
kernel-rt-vdso - update to 6.4.0-150600.10.20.1
kernel-rt-extra-debuginfo - update to 6.4.0-150600.10.20.1
cluster-md-kmp-rt - update to 6.4.0-150600.10.20.1
kernel-rt_debug-devel - update to 6.4.0-150600.10.20.1
ocfs2-kmp-rt-debuginfo - update to 6.4.0-150600.10.20.1
ocfs2-kmp-rt - update to 6.4.0-150600.10.20.1
kernel-rt_debug-devel-debuginfo - update to 6.4.0-150600.10.20.1
reiserfs-kmp-rt - update to 6.4.0-150600.10.20.1
kernel-rt-devel-debuginfo - update to 6.4.0-150600.10.20.1
dlm-kmp-rt - update to 6.4.0-150600.10.20.1
kernel-rt_debug-debuginfo - update to 6.4.0-150600.10.20.1
kernel-rt-optional - update to 6.4.0-150600.10.20.1
kernel-rt-extra - update to 6.4.0-150600.10.20.1
reiserfs-kmp-rt-debuginfo - update to 6.4.0-150600.10.20.1
kernel-rt_debug-vdso-debuginfo - update to 6.4.0-150600.10.20.1
kernel-64kb-optional-debuginfo - update to 6.4.0-150600.23.30.1
kernel-64kb - update to 6.4.0-150600.23.30.1
cluster-md-kmp-64kb-debuginfo - update to 6.4.0-150600.23.30.1
ocfs2-kmp-64kb - update to 6.4.0-150600.23.30.1
dtb-marvell - update to 6.4.0-150600.23.30.1
dtb-qcom - update to 6.4.0-150600.23.30.1
dtb-xilinx - update to 6.4.0-150600.23.30.1
dtb-exynos - update to 6.4.0-150600.23.30.1
kernel-64kb-devel-debuginfo - update to 6.4.0-150600.23.30.1
kernel-default-debugsource - update to 6.4.0-150600.23.30.1
cluster-md-kmp-default - update to 6.4.0-150600.23.30.1
cluster-md-kmp-default-debuginfo - update to 6.4.0-150600.23.30.1
kernel-obs-build - update to 6.4.0-150600.23.30.1
kernel-obs-build-debugsource - update to 6.4.0-150600.23.30.1
kselftests-kmp-default - update to 6.4.0-150600.23.30.1
kernel-default-debuginfo - update to 6.4.0-150600.23.30.1
kernel-default-optional-debuginfo - update to 6.4.0-150600.23.30.1
kernel-syms - update to 6.4.0-150600.23.30.1
kernel-default-extra - update to 6.4.0-150600.23.30.1
kernel-obs-qa - update to 6.4.0-150600.23.30.1
kselftests-kmp-default-debuginfo - update to 6.4.0-150600.23.30.1
kernel-default-devel - update to 6.4.0-150600.23.30.1
ocfs2-kmp-default-debuginfo - update to 6.4.0-150600.23.30.1
kernel-default-devel-debuginfo - update to 6.4.0-150600.23.30.1
dlm-kmp-default-debuginfo - update to 6.4.0-150600.23.30.1
kernel-default-livepatch - update to 6.4.0-150600.23.30.1
kernel-default-optional - update to 6.4.0-150600.23.30.1
ocfs2-kmp-default - update to 6.4.0-150600.23.30.1
reiserfs-kmp-default-debuginfo - update to 6.4.0-150600.23.30.1
gfs2-kmp-default - update to 6.4.0-150600.23.30.1
dtb-renesas - update to 6.4.0-150600.23.30.1
kernel-kvmsmall-vdso-debuginfo - update to 6.4.0-150600.23.30.1
kernel-macros - update to 6.4.0-150600.23.30.1
kernel-devel - update to 6.4.0-150600.23.30.1
kernel-docs-html - update to 6.4.0-150600.23.30.1
kernel-source-vanilla - update to 6.4.0-150600.23.30.1
kernel-source - update to 6.4.0-150600.23.30.1
kernel-debug - update to 6.4.0-150600.23.30.1
kernel-debug-debugsource - update to 6.4.0-150600.23.30.1
kernel-debug-devel-debuginfo - update to 6.4.0-150600.23.30.1
kernel-debug-devel - update to 6.4.0-150600.23.30.1
kernel-debug-debuginfo - update to 6.4.0-150600.23.30.1
kernel-default-extra-debuginfo - update to 6.4.0-150600.23.30.1
kernel-default-vdso-debuginfo - update to 6.4.0-150600.23.30.1
kernel-kvmsmall-vdso - update to 6.4.0-150600.23.30.1
kernel-debug-vdso - update to 6.4.0-150600.23.30.1
kernel-debug-vdso-debuginfo - update to 6.4.0-150600.23.30.1
kernel-default-vdso - update to 6.4.0-150600.23.30.1
kernel-kvmsmall-devel-debuginfo - update to 6.4.0-150600.23.30.1
kernel-kvmsmall-debugsource - update to 6.4.0-150600.23.30.1
kernel-kvmsmall-debuginfo - update to 6.4.0-150600.23.30.1
kernel-kvmsmall-devel - update to 6.4.0-150600.23.30.1
reiserfs-kmp-default - update to 6.4.0-150600.23.30.1
dtb-altera - update to 6.4.0-150600.23.30.1
gfs2-kmp-default-debuginfo - update to 6.4.0-150600.23.30.1
dtb-apple - update to 6.4.0-150600.23.30.1
dlm-kmp-64kb - update to 6.4.0-150600.23.30.1
dtb-amd - update to 6.4.0-150600.23.30.1
dlm-kmp-64kb-debuginfo - update to 6.4.0-150600.23.30.1
dtb-sprd - update to 6.4.0-150600.23.30.1
dtb-hisilicon - update to 6.4.0-150600.23.30.1
gfs2-kmp-64kb-debuginfo - update to 6.4.0-150600.23.30.1
kernel-64kb-debuginfo - update to 6.4.0-150600.23.30.1
kernel-64kb-debugsource - update to 6.4.0-150600.23.30.1
reiserfs-kmp-64kb-debuginfo - update to 6.4.0-150600.23.30.1
dtb-nvidia - update to 6.4.0-150600.23.30.1
gfs2-kmp-64kb - update to 6.4.0-150600.23.30.1
kselftests-kmp-64kb - update to 6.4.0-150600.23.30.1
kselftests-kmp-64kb-debuginfo - update to 6.4.0-150600.23.30.1
dtb-socionext - update to 6.4.0-150600.23.30.1
dtb-amlogic - update to 6.4.0-150600.23.30.1
dtb-lg - update to 6.4.0-150600.23.30.1
kernel-64kb-extra-debuginfo - update to 6.4.0-150600.23.30.1
dtb-rockchip - update to 6.4.0-150600.23.30.1
kernel-docs - update to 6.4.0-150600.23.30.1
kernel-64kb-extra - update to 6.4.0-150600.23.30.1
dlm-kmp-default - update to 6.4.0-150600.23.30.1
kernel-default - update to 6.4.0-150600.23.30.1
kernel-default-livepatch-devel - update to 6.4.0-150600.23.30.1
kernel-kvmsmall - update to 6.4.0-150600.23.30.1
kernel-zfcpdump - update to 6.4.0-150600.23.30.1
kernel-zfcpdump-debugsource - update to 6.4.0-150600.23.30.1
kernel-zfcpdump-debuginfo - update to 6.4.0-150600.23.30.1
dtb-aarch64 - update to 6.4.0-150600.23.30.1
dtb-amazon - update to 6.4.0-150600.23.30.1
dtb-allwinner - update to 6.4.0-150600.23.30.1
dtb-arm - update to 6.4.0-150600.23.30.1
kernel-64kb-devel - update to 6.4.0-150600.23.30.1
kernel-64kb-optional - update to 6.4.0-150600.23.30.1
dtb-cavium - update to 6.4.0-150600.23.30.1
dtb-apm - update to 6.4.0-150600.23.30.1
dtb-freescale - update to 6.4.0-150600.23.30.1
reiserfs-kmp-64kb - update to 6.4.0-150600.23.30.1
cluster-md-kmp-64kb - update to 6.4.0-150600.23.30.1
ocfs2-kmp-64kb-debuginfo - update to 6.4.0-150600.23.30.1
dtb-mediatek - update to 6.4.0-150600.23.30.1
dtb-broadcom - update to 6.4.0-150600.23.30.1
kernel-default-base-rebuild - update to 6.4.0-150600.23.30.1.150600.12.12.6
kernel-default-base - update to 6.4.0-150600.23.30.1.150600.12.12.6

External References

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