Double free in Linux kernel - CVE-2023-53665

Vulnerability identifier: #VU116812

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-2023-53665

CWE-ID: CWE-415

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 a double free error within the mddev_unlock() function in drivers/md/md.c. A local user can perform a denial of service (DoS) attack.

Linux kernel
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Workstation Extension 15
SUSE Linux Enterprise Live Patching
Legacy Module
SUSE Real Time Module
Development Tools Module
Basesystem Module
Public Cloud Module
openSUSE Leap
kernel-livepatch-6_4_0-150600_10_58-rt-debuginfo
kernel-livepatch-6_4_0-150600_10_58-rt
kernel-livepatch-SLE15-SP6_Update_17-debugsource
kernel-livepatch-6_4_0-150600_23_78-default-debuginfo
kernel-livepatch-6_4_0-150600_23_78-default
kernel-livepatch-6_4_0-150700_7_22-rt
kernel-livepatch-6_4_0-150700_7_22-rt-debuginfo
kernel-livepatch-SLE15-SP7-RT_Update_6-debugsource
kernel-livepatch-6_4_0-150700_53_22-default-debuginfo
kernel-livepatch-6_4_0-150700_53_22-default
kernel-livepatch-SLE15-SP7_Update_6-debugsource
gfs2-kmp-azure
cluster-md-kmp-azure-debuginfo
dlm-kmp-azure
reiserfs-kmp-azure-debuginfo
reiserfs-kmp-azure
kernel-azure-devel-debuginfo
kernel-azure-extra
kselftests-kmp-azure
ocfs2-kmp-azure
kernel-syms-azure
kernel-source-azure
kernel-devel-azure
gfs2-kmp-azure-debuginfo
kselftests-kmp-azure-debuginfo
kernel-azure-debuginfo
kernel-azure-vdso
kernel-azure-vdso-debuginfo
kernel-azure
kernel-azure-extra-debuginfo
kernel-azure-debugsource
dlm-kmp-azure-debuginfo
kernel-azure-optional
cluster-md-kmp-azure
ocfs2-kmp-azure-debuginfo
kernel-azure-devel
kernel-azure-optional-debuginfo
kernel-rt-optional
gfs2-kmp-rt-debuginfo
dlm-kmp-rt
kernel-rt-extra
kernel-rt-vdso
kernel-rt-debugsource
kernel-rt-extra-debuginfo
reiserfs-kmp-rt-debuginfo
kernel-rt-debuginfo
kernel-rt-vdso-debuginfo
kernel-rt_debug-vdso
kselftests-kmp-rt-debuginfo
kernel-rt_debug-vdso-debuginfo
reiserfs-kmp-rt
kselftests-kmp-rt
kernel-rt-optional-debuginfo
kernel-rt-livepatch-devel
kernel-rt
kernel-rt_debug
kernel-source-rt
ocfs2-kmp-rt-debuginfo
kernel-rt_debug-devel-debuginfo
kernel-devel-rt
dlm-kmp-rt-debuginfo
kernel-syms-rt
cluster-md-kmp-rt-debuginfo
kernel-rt-devel-debuginfo
ocfs2-kmp-rt
gfs2-kmp-rt
kernel-rt_debug-debuginfo
cluster-md-kmp-rt
kernel-rt_debug-debugsource
kernel-rt_debug-devel
kernel-rt-devel
dtb-apm
dtb-xilinx
dtb-exynos
dlm-kmp-64kb
dtb-apple
cluster-md-kmp-64kb
kernel-64kb-devel-debuginfo
kernel-64kb-debugsource
dtb-amd
dtb-qcom
kernel-64kb-extra-debuginfo
dtb-allwinner
dtb-arm
dtb-freescale
reiserfs-kmp-64kb-debuginfo
kernel-64kb-extra
dtb-rockchip
dtb-aarch64
kernel-zfcpdump-debugsource
kernel-zfcpdump-debuginfo
kernel-zfcpdump
kernel-kvmsmall
kernel-default-devel
kernel-default-livepatch-devel
dlm-kmp-64kb-debuginfo
kernel-64kb
dtb-amazon
kernel-64kb-debuginfo
kselftests-kmp-64kb-debuginfo
gfs2-kmp-64kb
dtb-marvell
dtb-hisilicon
dtb-sprd
dtb-socionext
kernel-64kb-devel
dtb-altera
kernel-64kb-optional-debuginfo
dtb-lg
dtb-nvidia
gfs2-kmp-64kb-debuginfo
dtb-broadcom
dtb-cavium
ocfs2-kmp-64kb-debuginfo
cluster-md-kmp-64kb-debuginfo
dtb-renesas
dtb-amlogic
dtb-mediatek
reiserfs-kmp-64kb
ocfs2-kmp-64kb
kernel-64kb-optional
kselftests-kmp-64kb
kernel-debug-debugsource
kernel-default-debugsource
kernel-kvmsmall-devel
kernel-kvmsmall-debugsource
kernel-kvmsmall-debuginfo
kernel-kvmsmall-devel-debuginfo
kernel-debug-vdso-debuginfo
kernel-kvmsmall-vdso
kernel-default-vdso-debuginfo
kernel-kvmsmall-vdso-debuginfo
kernel-default-vdso
kernel-debug-vdso
kselftests-kmp-default
kernel-debug-devel
kernel-debug-debuginfo
kernel-debug-devel-debuginfo
kernel-debug
kernel-devel
kernel-source
kernel-macros
kernel-docs-html
kernel-source-vanilla
kernel-docs
kernel-default
kernel-obs-qa
cluster-md-kmp-default-debuginfo
kernel-default-devel-debuginfo
kernel-syms
reiserfs-kmp-default-debuginfo
kselftests-kmp-default-debuginfo
kernel-obs-build
reiserfs-kmp-default
gfs2-kmp-default
dlm-kmp-default
kernel-default-optional-debuginfo
dlm-kmp-default-debuginfo
kernel-default-optional
kernel-default-extra-debuginfo
kernel-obs-build-debugsource
cluster-md-kmp-default
kernel-default-livepatch
kernel-default-extra
ocfs2-kmp-default
ocfs2-kmp-default-debuginfo
gfs2-kmp-default-debuginfo
kernel-default-debuginfo
kernel-default-base-rebuild
kernel-default-base

Install update from vendor's repository.

Linux kernel - update to 6.5.5
kernel-livepatch-6_4_0-150600_10_58-rt-debuginfo - update to 1-150600.1.3.1
kernel-livepatch-6_4_0-150600_10_58-rt - update to 1-150600.1.3.1
kernel-livepatch-SLE15-SP6_Update_17-debugsource - update to 1-150600.13.5.1
kernel-livepatch-6_4_0-150600_23_78-default-debuginfo - update to 1-150600.13.5.1
kernel-livepatch-6_4_0-150600_23_78-default - update to 1-150600.13.5.1
kernel-livepatch-6_4_0-150700_7_22-rt - update to 1-150700.1.3.1
kernel-livepatch-6_4_0-150700_7_22-rt-debuginfo - update to 1-150700.1.3.1
kernel-livepatch-SLE15-SP7-RT_Update_6-debugsource - update to 1-150700.1.3.1
kernel-livepatch-6_4_0-150700_53_22-default-debuginfo - update to 1-150700.15.3.1
kernel-livepatch-6_4_0-150700_53_22-default - update to 1-150700.15.3.1
kernel-livepatch-SLE15-SP7_Update_6-debugsource - update to 1-150700.15.3.1
gfs2-kmp-azure - update to 6.4.0-150600.8.55.1
cluster-md-kmp-azure-debuginfo - update to 6.4.0-150600.8.55.1
dlm-kmp-azure - update to 6.4.0-150600.8.55.1
reiserfs-kmp-azure-debuginfo - update to 6.4.0-150600.8.55.1
reiserfs-kmp-azure - update to 6.4.0-150600.8.55.1
kernel-azure-devel-debuginfo - addressed in versions 6.4.0-150600.8.55.1, 6.4.0-150700.20.18.1
kernel-azure-extra - update to 6.4.0-150600.8.55.1
kselftests-kmp-azure - update to 6.4.0-150600.8.55.1
ocfs2-kmp-azure - update to 6.4.0-150600.8.55.1
kernel-syms-azure - addressed in versions 6.4.0-150600.8.55.1, 6.4.0-150700.20.18.1
kernel-source-azure - addressed in versions 6.4.0-150600.8.55.1, 6.4.0-150700.20.18.1
kernel-devel-azure - addressed in versions 6.4.0-150600.8.55.1, 6.4.0-150700.20.18.1
gfs2-kmp-azure-debuginfo - update to 6.4.0-150600.8.55.1
kselftests-kmp-azure-debuginfo - update to 6.4.0-150600.8.55.1
kernel-azure-debuginfo - addressed in versions 6.4.0-150600.8.55.1, 6.4.0-150700.20.18.1
kernel-azure-vdso - update to 6.4.0-150600.8.55.1
kernel-azure-vdso-debuginfo - update to 6.4.0-150600.8.55.1
kernel-azure - addressed in versions 6.4.0-150600.8.55.1, 6.4.0-150700.20.18.1
kernel-azure-extra-debuginfo - update to 6.4.0-150600.8.55.1
kernel-azure-debugsource - addressed in versions 6.4.0-150600.8.55.1, 6.4.0-150700.20.18.1
dlm-kmp-azure-debuginfo - update to 6.4.0-150600.8.55.1
kernel-azure-optional - update to 6.4.0-150600.8.55.1
cluster-md-kmp-azure - update to 6.4.0-150600.8.55.1
ocfs2-kmp-azure-debuginfo - update to 6.4.0-150600.8.55.1
kernel-azure-devel - addressed in versions 6.4.0-150600.8.55.1, 6.4.0-150700.20.18.1
kernel-azure-optional-debuginfo - update to 6.4.0-150600.8.55.1
kernel-rt-optional - update to 6.4.0-150600.10.58.1
gfs2-kmp-rt-debuginfo - addressed in versions 6.4.0-150600.10.58.1, 6.4.0-150700.7.22.1
dlm-kmp-rt - addressed in versions 6.4.0-150600.10.58.1, 6.4.0-150700.7.22.1
kernel-rt-extra - update to 6.4.0-150600.10.58.1
kernel-rt-vdso - update to 6.4.0-150600.10.58.1
kernel-rt-debugsource - addressed in versions 6.4.0-150600.10.58.1, 6.4.0-150700.7.22.1
kernel-rt-extra-debuginfo - update to 6.4.0-150600.10.58.1
reiserfs-kmp-rt-debuginfo - update to 6.4.0-150600.10.58.1
kernel-rt-debuginfo - addressed in versions 6.4.0-150600.10.58.1, 6.4.0-150700.7.22.1
kernel-rt-vdso-debuginfo - update to 6.4.0-150600.10.58.1
kernel-rt_debug-vdso - update to 6.4.0-150600.10.58.1
kselftests-kmp-rt-debuginfo - update to 6.4.0-150600.10.58.1
kernel-rt_debug-vdso-debuginfo - update to 6.4.0-150600.10.58.1
reiserfs-kmp-rt - update to 6.4.0-150600.10.58.1
kselftests-kmp-rt - update to 6.4.0-150600.10.58.1
kernel-rt-optional-debuginfo - update to 6.4.0-150600.10.58.1
kernel-rt-livepatch-devel - update to 6.4.0-150600.10.58.1
kernel-rt - addressed in versions 6.4.0-150600.10.58.1, 6.4.0-150700.7.22.1
kernel-rt_debug - update to 6.4.0-150600.10.58.1
kernel-source-rt - addressed in versions 6.4.0-150600.10.58.1, 6.4.0-150700.7.22.1
ocfs2-kmp-rt-debuginfo - addressed in versions 6.4.0-150600.10.58.1, 6.4.0-150700.7.22.1
kernel-rt_debug-devel-debuginfo - update to 6.4.0-150600.10.58.1
kernel-devel-rt - addressed in versions 6.4.0-150600.10.58.1, 6.4.0-150700.7.22.1
dlm-kmp-rt-debuginfo - addressed in versions 6.4.0-150600.10.58.1, 6.4.0-150700.7.22.1
kernel-syms-rt - addressed in versions 6.4.0-150600.10.58.1, 6.4.0-150700.7.22.1
cluster-md-kmp-rt-debuginfo - addressed in versions 6.4.0-150600.10.58.1, 6.4.0-150700.7.22.1
kernel-rt-devel-debuginfo - addressed in versions 6.4.0-150600.10.58.1, 6.4.0-150700.7.22.1
ocfs2-kmp-rt - addressed in versions 6.4.0-150600.10.58.1, 6.4.0-150700.7.22.1
gfs2-kmp-rt - addressed in versions 6.4.0-150600.10.58.1, 6.4.0-150700.7.22.1
kernel-rt_debug-debuginfo - update to 6.4.0-150600.10.58.1
cluster-md-kmp-rt - addressed in versions 6.4.0-150600.10.58.1, 6.4.0-150700.7.22.1
kernel-rt_debug-debugsource - update to 6.4.0-150600.10.58.1
kernel-rt_debug-devel - update to 6.4.0-150600.10.58.1
kernel-rt-devel - addressed in versions 6.4.0-150600.10.58.1, 6.4.0-150700.7.22.1
dtb-apm - update to 6.4.0-150600.23.78.1
dtb-xilinx - update to 6.4.0-150600.23.78.1
dtb-exynos - update to 6.4.0-150600.23.78.1
dlm-kmp-64kb - update to 6.4.0-150600.23.78.1
dtb-apple - update to 6.4.0-150600.23.78.1
cluster-md-kmp-64kb - update to 6.4.0-150600.23.78.1
kernel-64kb-devel-debuginfo - addressed in versions 6.4.0-150600.23.78.1, 6.4.0-150700.53.22.1
kernel-64kb-debugsource - addressed in versions 6.4.0-150600.23.78.1, 6.4.0-150700.53.22.1
dtb-amd - update to 6.4.0-150600.23.78.1
dtb-qcom - update to 6.4.0-150600.23.78.1
kernel-64kb-extra-debuginfo - update to 6.4.0-150600.23.78.1
dtb-allwinner - update to 6.4.0-150600.23.78.1
dtb-arm - update to 6.4.0-150600.23.78.1
dtb-freescale - update to 6.4.0-150600.23.78.1
reiserfs-kmp-64kb-debuginfo - update to 6.4.0-150600.23.78.1
kernel-64kb-extra - update to 6.4.0-150600.23.78.1
dtb-rockchip - update to 6.4.0-150600.23.78.1
dtb-aarch64 - update to 6.4.0-150600.23.78.1
kernel-zfcpdump-debugsource - addressed in versions 6.4.0-150600.23.78.1, 6.4.0-150700.53.22.1
kernel-zfcpdump-debuginfo - addressed in versions 6.4.0-150600.23.78.1, 6.4.0-150700.53.22.1
kernel-zfcpdump - addressed in versions 6.4.0-150600.23.78.1, 6.4.0-150700.53.22.1
kernel-kvmsmall - update to 6.4.0-150600.23.78.1
kernel-default-devel - addressed in versions 6.4.0-150600.23.78.1, 6.4.0-150700.53.22.1
kernel-default-livepatch-devel - addressed in versions 6.4.0-150600.23.78.1, 6.4.0-150700.53.22.1
dlm-kmp-64kb-debuginfo - update to 6.4.0-150600.23.78.1
kernel-64kb - addressed in versions 6.4.0-150600.23.78.1, 6.4.0-150700.53.22.1
dtb-amazon - update to 6.4.0-150600.23.78.1
kernel-64kb-debuginfo - addressed in versions 6.4.0-150600.23.78.1, 6.4.0-150700.53.22.1
kselftests-kmp-64kb-debuginfo - update to 6.4.0-150600.23.78.1
gfs2-kmp-64kb - update to 6.4.0-150600.23.78.1
dtb-marvell - update to 6.4.0-150600.23.78.1
dtb-hisilicon - update to 6.4.0-150600.23.78.1
dtb-sprd - update to 6.4.0-150600.23.78.1
dtb-socionext - update to 6.4.0-150600.23.78.1
kernel-64kb-devel - addressed in versions 6.4.0-150600.23.78.1, 6.4.0-150700.53.22.1
dtb-altera - update to 6.4.0-150600.23.78.1
kernel-64kb-optional-debuginfo - update to 6.4.0-150600.23.78.1
dtb-lg - update to 6.4.0-150600.23.78.1
dtb-nvidia - update to 6.4.0-150600.23.78.1
gfs2-kmp-64kb-debuginfo - update to 6.4.0-150600.23.78.1
dtb-broadcom - update to 6.4.0-150600.23.78.1
dtb-cavium - update to 6.4.0-150600.23.78.1
ocfs2-kmp-64kb-debuginfo - update to 6.4.0-150600.23.78.1
cluster-md-kmp-64kb-debuginfo - update to 6.4.0-150600.23.78.1
dtb-renesas - update to 6.4.0-150600.23.78.1
dtb-amlogic - update to 6.4.0-150600.23.78.1
dtb-mediatek - update to 6.4.0-150600.23.78.1
reiserfs-kmp-64kb - update to 6.4.0-150600.23.78.1
ocfs2-kmp-64kb - update to 6.4.0-150600.23.78.1
kernel-64kb-optional - update to 6.4.0-150600.23.78.1
kselftests-kmp-64kb - update to 6.4.0-150600.23.78.1
kernel-debug-debugsource - update to 6.4.0-150600.23.78.1
kernel-default-debugsource - addressed in versions 6.4.0-150600.23.78.1, 6.4.0-150700.53.22.1
kernel-kvmsmall-devel - update to 6.4.0-150600.23.78.1
kernel-kvmsmall-debugsource - update to 6.4.0-150600.23.78.1
kernel-kvmsmall-debuginfo - update to 6.4.0-150600.23.78.1
kernel-kvmsmall-devel-debuginfo - update to 6.4.0-150600.23.78.1
kernel-debug-vdso-debuginfo - update to 6.4.0-150600.23.78.1
kernel-kvmsmall-vdso - update to 6.4.0-150600.23.78.1
kernel-default-vdso-debuginfo - update to 6.4.0-150600.23.78.1
kernel-kvmsmall-vdso-debuginfo - update to 6.4.0-150600.23.78.1
kernel-default-vdso - update to 6.4.0-150600.23.78.1
kernel-debug-vdso - update to 6.4.0-150600.23.78.1
kselftests-kmp-default - update to 6.4.0-150600.23.78.1
kernel-debug-devel - update to 6.4.0-150600.23.78.1
kernel-debug-debuginfo - update to 6.4.0-150600.23.78.1
kernel-debug-devel-debuginfo - update to 6.4.0-150600.23.78.1
kernel-debug - update to 6.4.0-150600.23.78.1
kernel-devel - addressed in versions 6.4.0-150600.23.78.1, 6.4.0-150700.53.22.1
kernel-source - addressed in versions 6.4.0-150600.23.78.1, 6.4.0-150700.53.22.1
kernel-macros - addressed in versions 6.4.0-150600.23.78.1, 6.4.0-150700.53.22.1
kernel-docs-html - update to 6.4.0-150600.23.78.1
kernel-source-vanilla - update to 6.4.0-150600.23.78.1
kernel-docs - addressed in versions 6.4.0-150600.23.78.1, 6.4.0-150700.53.22.1
kernel-default - addressed in versions 6.4.0-150600.23.78.1, 6.4.0-150700.53.22.1
kernel-obs-qa - update to 6.4.0-150600.23.78.1
cluster-md-kmp-default-debuginfo - addressed in versions 6.4.0-150600.23.78.1, 6.4.0-150700.53.22.1
kernel-default-devel-debuginfo - addressed in versions 6.4.0-150600.23.78.1, 6.4.0-150700.53.22.1
kernel-syms - addressed in versions 6.4.0-150600.23.78.1, 6.4.0-150700.53.22.1
reiserfs-kmp-default-debuginfo - addressed in versions 6.4.0-150600.23.78.1, 6.4.0-150700.53.22.1
kselftests-kmp-default-debuginfo - update to 6.4.0-150600.23.78.1
kernel-obs-build - addressed in versions 6.4.0-150600.23.78.1, 6.4.0-150700.53.22.1
reiserfs-kmp-default - addressed in versions 6.4.0-150600.23.78.1, 6.4.0-150700.53.22.1
gfs2-kmp-default - addressed in versions 6.4.0-150600.23.78.1, 6.4.0-150700.53.22.1
dlm-kmp-default - addressed in versions 6.4.0-150600.23.78.1, 6.4.0-150700.53.22.1
kernel-default-optional-debuginfo - update to 6.4.0-150600.23.78.1
dlm-kmp-default-debuginfo - addressed in versions 6.4.0-150600.23.78.1, 6.4.0-150700.53.22.1
kernel-default-optional - update to 6.4.0-150600.23.78.1
kernel-default-extra-debuginfo - addressed in versions 6.4.0-150600.23.78.1, 6.4.0-150700.53.22.1
kernel-obs-build-debugsource - addressed in versions 6.4.0-150600.23.78.1, 6.4.0-150700.53.22.1
cluster-md-kmp-default - addressed in versions 6.4.0-150600.23.78.1, 6.4.0-150700.53.22.1
kernel-default-livepatch - addressed in versions 6.4.0-150600.23.78.1, 6.4.0-150700.53.22.1
kernel-default-extra - addressed in versions 6.4.0-150600.23.78.1, 6.4.0-150700.53.22.1
ocfs2-kmp-default - addressed in versions 6.4.0-150600.23.78.1, 6.4.0-150700.53.22.1
ocfs2-kmp-default-debuginfo - addressed in versions 6.4.0-150600.23.78.1, 6.4.0-150700.53.22.1
gfs2-kmp-default-debuginfo - addressed in versions 6.4.0-150600.23.78.1, 6.4.0-150700.53.22.1
kernel-default-debuginfo - addressed in versions 6.4.0-150600.23.78.1, 6.4.0-150700.53.22.1
kernel-default-base-rebuild - update to 6.4.0-150600.23.78.1.150600.12.34.2
kernel-default-base - addressed in versions 6.4.0-150600.23.78.1.150600.12.34.2, 6.4.0-150700.53.22.1.150700.17.15.1

• https://git.kernel.org/stable/c/7deac114be5fb25a4e865212ed0feaf5f85f2a28
• https://git.kernel.org/stable/c/ad430ad0669d2757377373390d68e1454fc7a344
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.5

• Double free in Linux kernel md driver
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel