Memory leak in Linux kernel - CVE-2023-53715

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Main Vulnerability Database Vulnerabilities #VU117548

Memory leak in Linux kernel - CVE-2023-53715

Published: October 23, 2025 / Updated: October 26, 2025


Vulnerability identifier: #VU117548
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-2023-53715
CWE-ID: CWE-401
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 leak within the brcmf_map_fw_linkdown_reason() function in drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c. A local user can perform a denial of service (DoS) attack.


Affected software

Linux kernel
SUSE Manager Proxy 4.3
SUSE Linux Enterprise Server 12 SP5 LTSS Extended
SUSE Linux Enterprise Server 12 SP5
SUSE Manager Server 4.3
SUSE Manager Retail Branch Server 4.3
SUSE Linux Enterprise Server 15 SP4
SUSE Linux Enterprise Server 15 SP5
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise High Performance Computing 12
SUSE Manager Server
SUSE Manager Retail Branch Server
SUSE Manager Proxy
SUSE Linux Enterprise Micro for Rancher
SUSE Linux Enterprise Micro
SUSE Linux Enterprise Live Patching
openSUSE Leap
openEuler
kgraft-patch-4_12_14-122_280-default
kernel-livepatch-SLE15-SP4_Update_46-debugsource
kernel-livepatch-5_14_21-150400_24_184-default-debuginfo
kernel-livepatch-5_14_21-150400_24_184-default
kernel-livepatch-SLE15-SP5_Update_32-debugsource
kernel-livepatch-5_14_21-150500_55_127-default
kernel-livepatch-5_14_21-150500_55_127-default-debuginfo
dlm-kmp-default
kernel-devel
kernel-source
kernel-default
kernel-default-base-debuginfo
kernel-default-debuginfo
ocfs2-kmp-default
kernel-default-devel
cluster-md-kmp-default
kernel-default-devel-debuginfo
cluster-md-kmp-default-debuginfo
dlm-kmp-default-debuginfo
ocfs2-kmp-default-debuginfo
kernel-default-debugsource
gfs2-kmp-default
kernel-default-base
kernel-syms
gfs2-kmp-default-debuginfo
kernel-default-man
kernel-macros
kernel-default-kgraft
kernel-default-kgraft-devel
python3-perf
python2-perf-debuginfo
python2-perf
perf-debuginfo
perf
kernel-tools-devel
kernel-tools-debuginfo
kernel-tools
kernel-debugsource
kernel-debuginfo
bpftool-debuginfo
bpftool
kernel
python3-perf-debuginfo
kernel-rt
kernel-rt-debuginfo
kernel-rt-debugsource
kernel-source-rt
kernel-default-extra
kernel-default-optional
reiserfs-kmp-default-debuginfo
kernel-default-extra-debuginfo
kernel-obs-qa
reiserfs-kmp-default
kselftests-kmp-default
kernel-default-optional-debuginfo
kernel-default-livepatch-devel
kernel-kvmsmall
kernel-zfcpdump
kernel-zfcpdump-debuginfo
kernel-docs
kernel-docs-html
kernel-source-vanilla
kernel-kvmsmall-debuginfo
kernel-kvmsmall-devel
kernel-kvmsmall-debugsource
kernel-kvmsmall-devel-debuginfo
dtb-aarch64
kselftests-kmp-default-debuginfo
kernel-default-livepatch
kernel-obs-build-debugsource
kernel-obs-build
kernel-64kb-extra-debuginfo
dtb-marvell
cluster-md-kmp-64kb
kernel-64kb-debugsource
reiserfs-kmp-64kb-debuginfo
kernel-64kb-optional
dtb-apple
dtb-cavium
kselftests-kmp-64kb
cluster-md-kmp-64kb-debuginfo
dtb-xilinx
dlm-kmp-64kb
kselftests-kmp-64kb-debuginfo
dtb-sprd
dtb-allwinner
reiserfs-kmp-64kb
kernel-64kb-devel-debuginfo
dtb-altera
dtb-amlogic
dtb-qcom
dtb-exynos
kernel-zfcpdump-debugsource
dtb-freescale
kernel-64kb-extra
kernel-64kb-devel
dtb-lg
dtb-socionext
kernel-64kb-optional-debuginfo
dlm-kmp-64kb-debuginfo
ocfs2-kmp-64kb
dtb-apm
gfs2-kmp-64kb-debuginfo
kernel-64kb-debuginfo
gfs2-kmp-64kb
dtb-broadcom
dtb-arm
dtb-rockchip
dtb-mediatek
dtb-hisilicon
dtb-amazon
dtb-renesas
kernel-64kb
dtb-amd
dtb-nvidia
ocfs2-kmp-64kb-debuginfo
kernel-default-base-rebuild
kernel-rt-optional
kernel-rt-livepatch-devel
kselftests-kmp-rt
kernel-rt-devel
kernel-syms-rt
kernel-rt_debug-vdso
kernel-rt-extra
gfs2-kmp-rt
kernel-rt-devel-debuginfo
cluster-md-kmp-rt-debuginfo
kernel-rt_debug-debugsource
kernel-devel-rt
kernel-rt_debug
kernel-rt-livepatch
kernel-rt_debug-vdso-debuginfo
ocfs2-kmp-rt-debuginfo
ocfs2-kmp-rt
kernel-rt_debug-debuginfo
kernel-rt_debug-devel
reiserfs-kmp-rt-debuginfo
kernel-rt-vdso-debuginfo
gfs2-kmp-rt-debuginfo
reiserfs-kmp-rt
dlm-kmp-rt
dlm-kmp-rt-debuginfo
kernel-rt-extra-debuginfo
kernel-rt-vdso
cluster-md-kmp-rt
kernel-rt-optional-debuginfo
kernel-rt_debug-devel-debuginfo
kselftests-kmp-rt-debuginfo
kernel-default-vdso-debuginfo
kernel-default-vdso
kernel-kvmsmall-vdso
kernel-kvmsmall-vdso-debuginfo

How to mitigate CVE-2023-53715

Install update from vendor's repository.

Linux kernel - update to 6.1.30
kgraft-patch-4_12_14-122_280-default - update to 1-8.5.1
kernel-livepatch-SLE15-SP4_Update_46-debugsource - update to 1-150400.9.5.1
kernel-livepatch-5_14_21-150400_24_184-default-debuginfo - update to 1-150400.9.5.1
kernel-livepatch-5_14_21-150400_24_184-default - update to 1-150400.9.5.1
kernel-livepatch-SLE15-SP5_Update_32-debugsource - update to 1-150500.11.3.1
kernel-livepatch-5_14_21-150500_55_127-default - update to 1-150500.11.3.1
kernel-livepatch-5_14_21-150500_55_127-default-debuginfo - update to 1-150500.11.3.1
dlm-kmp-default - addressed in versions 4.12.14-122.280.1, 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-devel - addressed in versions 4.12.14-122.280.1, 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-source - addressed in versions 4.12.14-122.280.1, 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-default - addressed in versions 4.12.14-122.280.1, 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-default-base-debuginfo - update to 4.12.14-122.280.1
kernel-default-debuginfo - addressed in versions 4.12.14-122.280.1, 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
ocfs2-kmp-default - addressed in versions 4.12.14-122.280.1, 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-default-devel - addressed in versions 4.12.14-122.280.1, 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
cluster-md-kmp-default - addressed in versions 4.12.14-122.280.1, 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-default-devel-debuginfo - addressed in versions 4.12.14-122.280.1, 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
cluster-md-kmp-default-debuginfo - addressed in versions 4.12.14-122.280.1, 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dlm-kmp-default-debuginfo - addressed in versions 4.12.14-122.280.1, 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
ocfs2-kmp-default-debuginfo - addressed in versions 4.12.14-122.280.1, 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-default-debugsource - addressed in versions 4.12.14-122.280.1, 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
gfs2-kmp-default - addressed in versions 4.12.14-122.280.1, 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-default-base - addressed in versions 4.12.14-122.280.1, 5.14.21-150400.24.184.1.150400.24.94.2, 5.14.21-150500.55.127.1.150500.6.61.1
kernel-syms - addressed in versions 4.12.14-122.280.1, 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
gfs2-kmp-default-debuginfo - addressed in versions 4.12.14-122.280.1, 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-default-man - update to 4.12.14-122.280.1
kernel-macros - addressed in versions 4.12.14-122.280.1, 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-default-kgraft - update to 4.12.14-122.280.1
kernel-default-kgraft-devel - update to 4.12.14-122.280.1
python3-perf - update to 4.19.90-2602.1.0.0361
python2-perf-debuginfo - update to 4.19.90-2602.1.0.0361
python2-perf - update to 4.19.90-2602.1.0.0361
perf-debuginfo - update to 4.19.90-2602.1.0.0361
perf - update to 4.19.90-2602.1.0.0361
kernel-tools-devel - update to 4.19.90-2602.1.0.0361
kernel-tools-debuginfo - update to 4.19.90-2602.1.0.0361
kernel-tools - update to 4.19.90-2602.1.0.0361
kernel-source - update to 4.19.90-2602.1.0.0361
kernel-devel - update to 4.19.90-2602.1.0.0361
kernel-debugsource - update to 4.19.90-2602.1.0.0361
kernel-debuginfo - update to 4.19.90-2602.1.0.0361
bpftool-debuginfo - update to 4.19.90-2602.1.0.0361
bpftool - update to 4.19.90-2602.1.0.0361
kernel - update to 4.19.90-2602.1.0.0361
python3-perf-debuginfo - update to 4.19.90-2602.1.0.0361
kernel-rt - addressed in versions 5.14.21-150400.15.136.1, 5.14.21-150500.13.112.1
kernel-rt-debuginfo - addressed in versions 5.14.21-150400.15.136.1, 5.14.21-150500.13.112.1
kernel-rt-debugsource - addressed in versions 5.14.21-150400.15.136.1, 5.14.21-150500.13.112.1
kernel-source-rt - addressed in versions 5.14.21-150400.15.136.1, 5.14.21-150500.13.112.1
kernel-default-extra - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-default-optional - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
reiserfs-kmp-default-debuginfo - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-default-extra-debuginfo - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-obs-qa - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
reiserfs-kmp-default - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kselftests-kmp-default - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-default-optional-debuginfo - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-default-livepatch-devel - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-kvmsmall - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-zfcpdump - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-zfcpdump-debuginfo - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-docs - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-docs-html - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-source-vanilla - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-kvmsmall-debuginfo - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-kvmsmall-devel - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-kvmsmall-debugsource - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-kvmsmall-devel-debuginfo - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dtb-aarch64 - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kselftests-kmp-default-debuginfo - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-default-livepatch - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-obs-build-debugsource - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-obs-build - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-64kb-extra-debuginfo - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dtb-marvell - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
cluster-md-kmp-64kb - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-64kb-debugsource - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
reiserfs-kmp-64kb-debuginfo - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-64kb-optional - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dtb-apple - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dtb-cavium - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kselftests-kmp-64kb - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
cluster-md-kmp-64kb-debuginfo - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dtb-xilinx - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dlm-kmp-64kb - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kselftests-kmp-64kb-debuginfo - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dtb-sprd - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dtb-allwinner - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
reiserfs-kmp-64kb - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-64kb-devel-debuginfo - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dtb-altera - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dtb-amlogic - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dtb-qcom - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dtb-exynos - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-zfcpdump-debugsource - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dtb-freescale - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-64kb-extra - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-64kb-devel - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dtb-lg - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dtb-socionext - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-64kb-optional-debuginfo - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dlm-kmp-64kb-debuginfo - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
ocfs2-kmp-64kb - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dtb-apm - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
gfs2-kmp-64kb-debuginfo - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-64kb-debuginfo - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
gfs2-kmp-64kb - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dtb-broadcom - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dtb-arm - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dtb-rockchip - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dtb-mediatek - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dtb-hisilicon - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dtb-amazon - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dtb-renesas - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-64kb - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dtb-amd - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
dtb-nvidia - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
ocfs2-kmp-64kb-debuginfo - addressed in versions 5.14.21-150400.24.184.1, 5.14.21-150500.55.127.1
kernel-default-base-rebuild - addressed in versions 5.14.21-150400.24.184.1.150400.24.94.2, 5.14.21-150500.55.127.1.150500.6.61.1
kernel-rt-optional - update to 5.14.21-150500.13.112.1
kernel-rt-livepatch-devel - update to 5.14.21-150500.13.112.1
kselftests-kmp-rt - update to 5.14.21-150500.13.112.1
kernel-rt-devel - update to 5.14.21-150500.13.112.1
kernel-syms-rt - update to 5.14.21-150500.13.112.1
kernel-rt_debug-vdso - update to 5.14.21-150500.13.112.1
kernel-rt-extra - update to 5.14.21-150500.13.112.1
gfs2-kmp-rt - update to 5.14.21-150500.13.112.1
kernel-rt-devel-debuginfo - update to 5.14.21-150500.13.112.1
cluster-md-kmp-rt-debuginfo - update to 5.14.21-150500.13.112.1
kernel-rt_debug-debugsource - update to 5.14.21-150500.13.112.1
kernel-devel-rt - update to 5.14.21-150500.13.112.1
kernel-rt_debug - update to 5.14.21-150500.13.112.1
kernel-rt-livepatch - update to 5.14.21-150500.13.112.1
kernel-rt_debug-vdso-debuginfo - update to 5.14.21-150500.13.112.1
ocfs2-kmp-rt-debuginfo - update to 5.14.21-150500.13.112.1
ocfs2-kmp-rt - update to 5.14.21-150500.13.112.1
kernel-rt_debug-debuginfo - update to 5.14.21-150500.13.112.1
kernel-rt_debug-devel - update to 5.14.21-150500.13.112.1
reiserfs-kmp-rt-debuginfo - update to 5.14.21-150500.13.112.1
kernel-rt-vdso-debuginfo - update to 5.14.21-150500.13.112.1
gfs2-kmp-rt-debuginfo - update to 5.14.21-150500.13.112.1
reiserfs-kmp-rt - update to 5.14.21-150500.13.112.1
dlm-kmp-rt - update to 5.14.21-150500.13.112.1
dlm-kmp-rt-debuginfo - update to 5.14.21-150500.13.112.1
kernel-rt-extra-debuginfo - update to 5.14.21-150500.13.112.1
kernel-rt-vdso - update to 5.14.21-150500.13.112.1
cluster-md-kmp-rt - update to 5.14.21-150500.13.112.1
kernel-rt-optional-debuginfo - update to 5.14.21-150500.13.112.1
kernel-rt_debug-devel-debuginfo - update to 5.14.21-150500.13.112.1
kselftests-kmp-rt-debuginfo - update to 5.14.21-150500.13.112.1
kernel-default-vdso-debuginfo - update to 5.14.21-150500.55.127.1
kernel-default-vdso - update to 5.14.21-150500.55.127.1
kernel-kvmsmall-vdso - update to 5.14.21-150500.55.127.1
kernel-kvmsmall-vdso-debuginfo - update to 5.14.21-150500.55.127.1

External References

Related Security Bulletins