Use-after-free in Linux kernel - CVE-2021-0707

Vulnerability identifier: #VU61996

CSH Severity: Low

CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-0707

CWE-ID: CWE-416

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to a use-after-free error in dma_buf. A local user can trigger a race between closing the dmabuf file and reading the dmabuf's debug info and execute arbitrary code with elevated privileges.

Linux kernel
SUSE Manager Server
SUSE Manager Retail Branch Server
SUSE Manager Proxy
SUSE Linux Enterprise Micro
Google Android
SUSE Linux Enterprise Server
SUSE Linux Enterprise Server for SAP Applications
SUSE Linux Enterprise Desktop
SUSE Linux Enterprise Module for Realtime
SUSE Linux Enterprise Real Time
SUSE Linux Enterprise Realtime Extension
SUSE Linux Enterprise Workstation Extension
SUSE Linux Enterprise Module for Public Cloud
SUSE Linux Enterprise Module for Live Patching
SUSE Linux Enterprise Module for Legacy Software
SUSE Linux Enterprise Module for Development Tools
SUSE Linux Enterprise Module for Basesystem
SUSE Linux Enterprise High Availability
SUSE Linux Enterprise High Performance Computing
openSUSE Leap
kernel-livepatch-5_3_18-150300_59_68-default
kernel-source-azure
reiserfs-kmp-azure
cluster-md-kmp-azure
cluster-md-kmp-azure-debuginfo
dlm-kmp-azure
dlm-kmp-azure-debuginfo
gfs2-kmp-azure
gfs2-kmp-azure-debuginfo
kernel-azure
kernel-azure-debuginfo
kernel-azure-debugsource
kernel-azure-devel
kernel-azure-devel-debuginfo
kernel-azure-extra
kernel-azure-extra-debuginfo
kernel-azure-livepatch-devel
kernel-azure-optional
kernel-azure-optional-debuginfo
kernel-syms-azure
kselftests-kmp-azure
kselftests-kmp-azure-debuginfo
ocfs2-kmp-azure
ocfs2-kmp-azure-debuginfo
reiserfs-kmp-azure-debuginfo
kernel-devel-azure
cluster-md-kmp-64kb
kernel-kvmsmall-livepatch-devel
cluster-md-kmp-64kb-debuginfo
dlm-kmp-64kb
dlm-kmp-64kb-debuginfo
dtb-allwinner
dtb-altera
dtb-amd
dtb-amlogic
dtb-apm
dtb-arm
dtb-broadcom
dtb-cavium
dtb-exynos
dtb-freescale
dtb-hisilicon
dtb-lg
dtb-marvell
kernel-debug-debugsource
kselftests-kmp-default
kselftests-kmp-default-debuginfo
ocfs2-kmp-default
ocfs2-kmp-default-debuginfo
reiserfs-kmp-default
reiserfs-kmp-default-debuginfo
kernel-debug
kernel-debug-debuginfo
dtb-mediatek
kernel-debug-devel
kernel-debug-devel-debuginfo
kernel-debug-livepatch-devel
kernel-kvmsmall
kernel-kvmsmall-debuginfo
kernel-kvmsmall-debugsource
kernel-kvmsmall-devel
kernel-kvmsmall-devel-debuginfo
kselftests-kmp-64kb
kernel-docs-html
kernel-docs
kernel-devel
reiserfs-kmp-64kb-debuginfo
reiserfs-kmp-64kb
ocfs2-kmp-64kb-debuginfo
ocfs2-kmp-64kb
kselftests-kmp-64kb-debuginfo
kernel-macros
kernel-64kb-optional-debuginfo
kernel-64kb-optional
kernel-64kb-livepatch-devel
kernel-64kb-extra-debuginfo
kernel-64kb-extra
kernel-64kb-devel-debuginfo
kernel-64kb-devel
kernel-64kb-debugsource
kernel-64kb
dtb-qcom
dtb-renesas
dtb-rockchip
dtb-socionext
dtb-sprd
dtb-xilinx
gfs2-kmp-64kb
gfs2-kmp-64kb-debuginfo
dtb-nvidia
kernel-64kb-debuginfo
kernel-zfcpdump-debugsource
kernel-default-debugsource
kernel-zfcpdump-debuginfo
kernel-zfcpdump
kernel-source-vanilla
kernel-source
kernel-preempt-extra
dtb-al
reiserfs-kmp-preempt-debuginfo
reiserfs-kmp-preempt
ocfs2-kmp-preempt-debuginfo
ocfs2-kmp-preempt
kselftests-kmp-preempt-debuginfo
kselftests-kmp-preempt
kernel-preempt-optional-debuginfo
kernel-preempt-optional
kernel-preempt-livepatch-devel
kernel-preempt-extra-debuginfo
kernel-obs-qa
kernel-preempt-devel-debuginfo
kernel-preempt-devel
kernel-preempt-debugsource
kernel-preempt-debuginfo
kernel-preempt
gfs2-kmp-preempt-debuginfo
gfs2-kmp-preempt
dlm-kmp-preempt-debuginfo
dlm-kmp-preempt
cluster-md-kmp-preempt-debuginfo
cluster-md-kmp-preempt
cluster-md-kmp-default
dtb-zte
kernel-syms
kernel-obs-build-debugsource
kernel-obs-build
kernel-default-optional-debuginfo
kernel-default-optional
kernel-default-livepatch-devel
kernel-default-livepatch
kernel-default-extra-debuginfo
kernel-default-extra
kernel-default-devel-debuginfo
kernel-default-devel
kernel-default-debuginfo
kernel-default
gfs2-kmp-default-debuginfo
gfs2-kmp-default
dlm-kmp-default-debuginfo
dlm-kmp-default
cluster-md-kmp-default-debuginfo
kernel-default-base-rebuild
kernel-default-base
kernel-syms-rt
kernel-rt-debugsource
kernel-rt-debuginfo
kernel-rt
gfs2-kmp-rt-debuginfo
gfs2-kmp-rt
dlm-kmp-rt-debuginfo
dlm-kmp-rt
cluster-md-kmp-rt-debuginfo
kernel-source-rt
cluster-md-kmp-rt
kernel-rt-devel
kernel-rt-devel-debuginfo
kernel-rt_debug-debuginfo
kernel-rt_debug-debugsource
kernel-rt_debug-devel
kernel-rt_debug-devel-debuginfo
ocfs2-kmp-rt
ocfs2-kmp-rt-debuginfo
kernel-devel-rt
release-notes-sle_rt

Install updates from vendor's website.

Google Android - addressed in versions 10 2022-04-05, 11 2022-04-05, 12L 2022-04-05, 12 2022-04-05
kernel-livepatch-5_3_18-150300_59_68-default - update to 1-150300.7.5.1
kernel-source-azure - update to 5.3.18-150300.38.56.1
reiserfs-kmp-azure - update to 5.3.18-150300.38.56.1
cluster-md-kmp-azure - update to 5.3.18-150300.38.56.1
cluster-md-kmp-azure-debuginfo - update to 5.3.18-150300.38.56.1
dlm-kmp-azure - update to 5.3.18-150300.38.56.1
dlm-kmp-azure-debuginfo - update to 5.3.18-150300.38.56.1
gfs2-kmp-azure - update to 5.3.18-150300.38.56.1
gfs2-kmp-azure-debuginfo - update to 5.3.18-150300.38.56.1
kernel-azure - update to 5.3.18-150300.38.56.1
kernel-azure-debuginfo - update to 5.3.18-150300.38.56.1
kernel-azure-debugsource - update to 5.3.18-150300.38.56.1
kernel-azure-devel - update to 5.3.18-150300.38.56.1
kernel-azure-devel-debuginfo - update to 5.3.18-150300.38.56.1
kernel-azure-extra - update to 5.3.18-150300.38.56.1
kernel-azure-extra-debuginfo - update to 5.3.18-150300.38.56.1
kernel-azure-livepatch-devel - update to 5.3.18-150300.38.56.1
kernel-azure-optional - update to 5.3.18-150300.38.56.1
kernel-azure-optional-debuginfo - update to 5.3.18-150300.38.56.1
kernel-syms-azure - update to 5.3.18-150300.38.56.1
kselftests-kmp-azure - update to 5.3.18-150300.38.56.1
kselftests-kmp-azure-debuginfo - update to 5.3.18-150300.38.56.1
ocfs2-kmp-azure - update to 5.3.18-150300.38.56.1
ocfs2-kmp-azure-debuginfo - update to 5.3.18-150300.38.56.1
reiserfs-kmp-azure-debuginfo - update to 5.3.18-150300.38.56.1
kernel-devel-azure - update to 5.3.18-150300.38.56.1
cluster-md-kmp-64kb - update to 5.3.18-150300.59.68.1
kernel-kvmsmall-livepatch-devel - update to 5.3.18-150300.59.68.1
cluster-md-kmp-64kb-debuginfo - update to 5.3.18-150300.59.68.1
dlm-kmp-64kb - update to 5.3.18-150300.59.68.1
dlm-kmp-64kb-debuginfo - update to 5.3.18-150300.59.68.1
dtb-allwinner - update to 5.3.18-150300.59.68.1
dtb-altera - update to 5.3.18-150300.59.68.1
dtb-amd - update to 5.3.18-150300.59.68.1
dtb-amlogic - update to 5.3.18-150300.59.68.1
dtb-apm - update to 5.3.18-150300.59.68.1
dtb-arm - update to 5.3.18-150300.59.68.1
dtb-broadcom - update to 5.3.18-150300.59.68.1
dtb-cavium - update to 5.3.18-150300.59.68.1
dtb-exynos - update to 5.3.18-150300.59.68.1
dtb-freescale - update to 5.3.18-150300.59.68.1
dtb-hisilicon - update to 5.3.18-150300.59.68.1
dtb-lg - update to 5.3.18-150300.59.68.1
dtb-marvell - update to 5.3.18-150300.59.68.1
kernel-debug-debugsource - update to 5.3.18-150300.59.68.1
kselftests-kmp-default - update to 5.3.18-150300.59.68.1
kselftests-kmp-default-debuginfo - update to 5.3.18-150300.59.68.1
ocfs2-kmp-default - update to 5.3.18-150300.59.68.1
ocfs2-kmp-default-debuginfo - update to 5.3.18-150300.59.68.1
reiserfs-kmp-default - update to 5.3.18-150300.59.68.1
reiserfs-kmp-default-debuginfo - update to 5.3.18-150300.59.68.1
kernel-debug - update to 5.3.18-150300.59.68.1
kernel-debug-debuginfo - update to 5.3.18-150300.59.68.1
dtb-mediatek - update to 5.3.18-150300.59.68.1
kernel-debug-devel - update to 5.3.18-150300.59.68.1
kernel-debug-devel-debuginfo - update to 5.3.18-150300.59.68.1
kernel-debug-livepatch-devel - update to 5.3.18-150300.59.68.1
kernel-kvmsmall - update to 5.3.18-150300.59.68.1
kernel-kvmsmall-debuginfo - update to 5.3.18-150300.59.68.1
kernel-kvmsmall-debugsource - update to 5.3.18-150300.59.68.1
kernel-kvmsmall-devel - update to 5.3.18-150300.59.68.1
kernel-kvmsmall-devel-debuginfo - update to 5.3.18-150300.59.68.1
kselftests-kmp-64kb - update to 5.3.18-150300.59.68.1
kernel-docs-html - update to 5.3.18-150300.59.68.1
kernel-docs - update to 5.3.18-150300.59.68.1
kernel-devel - update to 5.3.18-150300.59.68.1
reiserfs-kmp-64kb-debuginfo - update to 5.3.18-150300.59.68.1
reiserfs-kmp-64kb - update to 5.3.18-150300.59.68.1
ocfs2-kmp-64kb-debuginfo - update to 5.3.18-150300.59.68.1
ocfs2-kmp-64kb - update to 5.3.18-150300.59.68.1
kselftests-kmp-64kb-debuginfo - update to 5.3.18-150300.59.68.1
kernel-macros - update to 5.3.18-150300.59.68.1
kernel-64kb-optional-debuginfo - update to 5.3.18-150300.59.68.1
kernel-64kb-optional - update to 5.3.18-150300.59.68.1
kernel-64kb-livepatch-devel - update to 5.3.18-150300.59.68.1
kernel-64kb-extra-debuginfo - update to 5.3.18-150300.59.68.1
kernel-64kb-extra - update to 5.3.18-150300.59.68.1
kernel-64kb-devel-debuginfo - update to 5.3.18-150300.59.68.1
kernel-64kb-devel - update to 5.3.18-150300.59.68.1
kernel-64kb-debugsource - update to 5.3.18-150300.59.68.1
kernel-64kb - update to 5.3.18-150300.59.68.1
dtb-qcom - update to 5.3.18-150300.59.68.1
dtb-renesas - update to 5.3.18-150300.59.68.1
dtb-rockchip - update to 5.3.18-150300.59.68.1
dtb-socionext - update to 5.3.18-150300.59.68.1
dtb-sprd - update to 5.3.18-150300.59.68.1
dtb-xilinx - update to 5.3.18-150300.59.68.1
gfs2-kmp-64kb - update to 5.3.18-150300.59.68.1
gfs2-kmp-64kb-debuginfo - update to 5.3.18-150300.59.68.1
dtb-nvidia - update to 5.3.18-150300.59.68.1
kernel-64kb-debuginfo - update to 5.3.18-150300.59.68.1
kernel-zfcpdump-debugsource - update to 5.3.18-150300.59.68.1
kernel-default-debugsource - update to 5.3.18-150300.59.68.1
kernel-zfcpdump-debuginfo - update to 5.3.18-150300.59.68.1
kernel-zfcpdump - update to 5.3.18-150300.59.68.1
kernel-source-vanilla - update to 5.3.18-150300.59.68.1
kernel-source - update to 5.3.18-150300.59.68.1
kernel-preempt-extra - update to 5.3.18-150300.59.68.1
dtb-al - update to 5.3.18-150300.59.68.1
reiserfs-kmp-preempt-debuginfo - update to 5.3.18-150300.59.68.1
reiserfs-kmp-preempt - update to 5.3.18-150300.59.68.1
ocfs2-kmp-preempt-debuginfo - update to 5.3.18-150300.59.68.1
ocfs2-kmp-preempt - update to 5.3.18-150300.59.68.1
kselftests-kmp-preempt-debuginfo - update to 5.3.18-150300.59.68.1
kselftests-kmp-preempt - update to 5.3.18-150300.59.68.1
kernel-preempt-optional-debuginfo - update to 5.3.18-150300.59.68.1
kernel-preempt-optional - update to 5.3.18-150300.59.68.1
kernel-preempt-livepatch-devel - update to 5.3.18-150300.59.68.1
kernel-preempt-extra-debuginfo - update to 5.3.18-150300.59.68.1
kernel-obs-qa - update to 5.3.18-150300.59.68.1
kernel-preempt-devel-debuginfo - update to 5.3.18-150300.59.68.1
kernel-preempt-devel - update to 5.3.18-150300.59.68.1
kernel-preempt-debugsource - update to 5.3.18-150300.59.68.1
kernel-preempt-debuginfo - update to 5.3.18-150300.59.68.1
kernel-preempt - update to 5.3.18-150300.59.68.1
gfs2-kmp-preempt-debuginfo - update to 5.3.18-150300.59.68.1
gfs2-kmp-preempt - update to 5.3.18-150300.59.68.1
dlm-kmp-preempt-debuginfo - update to 5.3.18-150300.59.68.1
dlm-kmp-preempt - update to 5.3.18-150300.59.68.1
cluster-md-kmp-preempt-debuginfo - update to 5.3.18-150300.59.68.1
cluster-md-kmp-preempt - update to 5.3.18-150300.59.68.1
cluster-md-kmp-default - update to 5.3.18-150300.59.68.1
dtb-zte - update to 5.3.18-150300.59.68.1
kernel-syms - update to 5.3.18-150300.59.68.1
kernel-obs-build-debugsource - update to 5.3.18-150300.59.68.1
kernel-obs-build - update to 5.3.18-150300.59.68.1
kernel-default-optional-debuginfo - update to 5.3.18-150300.59.68.1
kernel-default-optional - update to 5.3.18-150300.59.68.1
kernel-default-livepatch-devel - update to 5.3.18-150300.59.68.1
kernel-default-livepatch - update to 5.3.18-150300.59.68.1
kernel-default-extra-debuginfo - update to 5.3.18-150300.59.68.1
kernel-default-extra - update to 5.3.18-150300.59.68.1
kernel-default-devel-debuginfo - update to 5.3.18-150300.59.68.1
kernel-default-devel - update to 5.3.18-150300.59.68.1
kernel-default-debuginfo - update to 5.3.18-150300.59.68.1
kernel-default - update to 5.3.18-150300.59.68.1
gfs2-kmp-default-debuginfo - update to 5.3.18-150300.59.68.1
gfs2-kmp-default - update to 5.3.18-150300.59.68.1
dlm-kmp-default-debuginfo - update to 5.3.18-150300.59.68.1
dlm-kmp-default - update to 5.3.18-150300.59.68.1
cluster-md-kmp-default-debuginfo - update to 5.3.18-150300.59.68.1
kernel-default-base-rebuild - update to 5.3.18-150300.59.68.1.150300.18.41.3
kernel-default-base - update to 5.3.18-150300.59.68.1.150300.18.41.3
kernel-syms-rt - update to 5.3.18-150300.88.1
kernel-rt-debugsource - update to 5.3.18-150300.88.2
kernel-rt-debuginfo - update to 5.3.18-150300.88.2
kernel-rt - update to 5.3.18-150300.88.2
gfs2-kmp-rt-debuginfo - update to 5.3.18-150300.88.2
gfs2-kmp-rt - update to 5.3.18-150300.88.2
dlm-kmp-rt-debuginfo - update to 5.3.18-150300.88.2
dlm-kmp-rt - update to 5.3.18-150300.88.2
cluster-md-kmp-rt-debuginfo - update to 5.3.18-150300.88.2
kernel-source-rt - update to 5.3.18-150300.88.2
cluster-md-kmp-rt - update to 5.3.18-150300.88.2
kernel-rt-devel - update to 5.3.18-150300.88.2
kernel-rt-devel-debuginfo - update to 5.3.18-150300.88.2
kernel-rt_debug-debuginfo - update to 5.3.18-150300.88.2
kernel-rt_debug-debugsource - update to 5.3.18-150300.88.2
kernel-rt_debug-devel - update to 5.3.18-150300.88.2
kernel-rt_debug-devel-debuginfo - update to 5.3.18-150300.88.2
ocfs2-kmp-rt - update to 5.3.18-150300.88.2
ocfs2-kmp-rt-debuginfo - update to 5.3.18-150300.88.2
kernel-devel-rt - update to 5.3.18-150300.88.2
release-notes-sle_rt - update to 15.3.20220422-150300.3.3.2

• https://source.android.com/security/bulletin/2022-04-01#details-05
• https://android.googlesource.com/kernel/common/+/6e6c15288df8c4c6264f394ece251ef9f64b0e3f

• Use-after-free in Linux kernel dma_buf
• Multiple vulnerabilities in Google Android
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel