Improper locking in Linux kernel - CVE-2022-48982

Vulnerability identifier: #VU98992

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-2022-48982

CWE-ID: CWE-667

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 improper locking within the hci_register_dev() function in net/bluetooth/hci_core.c. A local user can perform a denial of service (DoS) attack.

Linux kernel
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise High Availability Extension 15
openSUSE Leap Micro
SUSE Linux Enterprise Micro
Basesystem Module
Public Cloud Module
SUSE Linux Enterprise Live Patching
Legacy Module
Development Tools Module
SUSE Real Time Module
openSUSE Leap
openEuler
kernel-livepatch-SLE15-SP5-RT_Update_23-debugsource
kernel-livepatch-5_14_21-150500_13_79-rt-debuginfo
kernel-livepatch-5_14_21-150500_13_79-rt
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-debuginfo
kernel
python3-perf-debuginfo
python3-perf
perf
kernel-debugsource
kernel-devel
kernel-headers
kernel-source
kernel-tools-debuginfo
kernel-tools
kernel-tools-devel
perf-debuginfo
kernel-devel-rt
kernel-source-rt
kernel-rt_debug
kernel-rt
kernel-rt-extra
reiserfs-kmp-rt-debuginfo
kselftests-kmp-rt-debuginfo
kernel-rt-livepatch
kernel-rt-optional
kernel-rt-extra-debuginfo
reiserfs-kmp-rt
kselftests-kmp-rt
kernel-rt-optional-debuginfo
kernel-rt-livepatch-devel
kernel-rt_debug-devel-debuginfo
kernel-rt-debuginfo
kernel-rt-devel-debuginfo
kernel-rt_debug-vdso
kernel-rt-debugsource
kernel-rt_debug-debugsource
cluster-md-kmp-rt
kernel-rt_debug-devel
dlm-kmp-rt-debuginfo
gfs2-kmp-rt-debuginfo
kernel-rt_debug-debuginfo
kernel-rt-vdso
kernel-rt_debug-vdso-debuginfo
dlm-kmp-rt
kernel-rt-devel
gfs2-kmp-rt
kernel-syms-rt
ocfs2-kmp-rt
kernel-rt-vdso-debuginfo
cluster-md-kmp-rt-debuginfo
ocfs2-kmp-rt-debuginfo
kernel-syms-azure
kernel-azure-optional-debuginfo
kernel-azure-devel-debuginfo
kernel-azure-devel
reiserfs-kmp-azure-debuginfo
reiserfs-kmp-azure
gfs2-kmp-azure
dlm-kmp-azure-debuginfo
kernel-azure-debuginfo
kernel-azure-debugsource
cluster-md-kmp-azure
kernel-azure-optional
gfs2-kmp-azure-debuginfo
dlm-kmp-azure
ocfs2-kmp-azure
kselftests-kmp-azure
ocfs2-kmp-azure-debuginfo
cluster-md-kmp-azure-debuginfo
kernel-azure-extra
kernel-azure-extra-debuginfo
kselftests-kmp-azure-debuginfo
kernel-azure
kernel-azure-vdso
kernel-azure-vdso-debuginfo
kernel-devel-azure
kernel-source-azure
kernel-docs
kernel-default
kernel-default-debuginfo
kernel-default-debugsource
kernel-64kb
kernel-64kb-devel-debuginfo
kernel-64kb-debuginfo
kernel-64kb-devel
kernel-64kb-debugsource
kernel-default-devel
kernel-default-devel-debuginfo
kernel-macros
kernel-zfcpdump
kernel-zfcpdump-debugsource
kernel-zfcpdump-debuginfo
kernel-default-livepatch-devel
ocfs2-kmp-default-debuginfo
dlm-kmp-default
cluster-md-kmp-default
gfs2-kmp-default
dlm-kmp-default-debuginfo
gfs2-kmp-default-debuginfo
cluster-md-kmp-default-debuginfo
ocfs2-kmp-default
kernel-default-livepatch
reiserfs-kmp-default
reiserfs-kmp-default-debuginfo
kernel-obs-build-debugsource
kernel-obs-build
kernel-syms
kernel-default-base

Install update from vendor's website.

Linux kernel - addressed in versions 5.10.159, 5.15.83, 6.0.13, 6.1
kernel-livepatch-SLE15-SP5-RT_Update_23-debugsource - update to 1-150500.11.3.1
kernel-livepatch-5_14_21-150500_13_79-rt-debuginfo - update to 1-150500.11.3.1
kernel-livepatch-5_14_21-150500_13_79-rt - update to 1-150500.11.3.1
kernel-livepatch-5_14_21-150500_55_88-default-debuginfo - update to 1-150500.11.5.1
kernel-livepatch-5_14_21-150500_55_88-default - update to 1-150500.11.5.1
kernel-livepatch-SLE15-SP5_Update_21-debugsource - update to 1-150500.11.5.1
kernel-debuginfo - update to 5.10.0-136.100.0.181
kernel - update to 5.10.0-136.100.0.181
python3-perf-debuginfo - update to 5.10.0-136.100.0.181
python3-perf - update to 5.10.0-136.100.0.181
perf - update to 5.10.0-136.100.0.181
kernel-debugsource - update to 5.10.0-136.100.0.181
kernel-devel - update to 5.10.0-136.100.0.181
kernel-headers - update to 5.10.0-136.100.0.181
kernel-source - update to 5.10.0-136.100.0.181
kernel-tools-debuginfo - update to 5.10.0-136.100.0.181
kernel-tools - update to 5.10.0-136.100.0.181
kernel-tools-devel - update to 5.10.0-136.100.0.181
perf-debuginfo - update to 5.10.0-136.100.0.181
kernel-devel-rt - update to 5.14.21-150500.13.79.1
kernel-source-rt - update to 5.14.21-150500.13.79.1
kernel-rt_debug - update to 5.14.21-150500.13.79.1
kernel-rt - update to 5.14.21-150500.13.79.1
kernel-rt-extra - update to 5.14.21-150500.13.79.1
reiserfs-kmp-rt-debuginfo - update to 5.14.21-150500.13.79.1
kselftests-kmp-rt-debuginfo - update to 5.14.21-150500.13.79.1
kernel-rt-livepatch - update to 5.14.21-150500.13.79.1
kernel-rt-optional - update to 5.14.21-150500.13.79.1
kernel-rt-extra-debuginfo - update to 5.14.21-150500.13.79.1
reiserfs-kmp-rt - update to 5.14.21-150500.13.79.1
kselftests-kmp-rt - update to 5.14.21-150500.13.79.1
kernel-rt-optional-debuginfo - update to 5.14.21-150500.13.79.1
kernel-rt-livepatch-devel - update to 5.14.21-150500.13.79.1
kernel-rt_debug-devel-debuginfo - update to 5.14.21-150500.13.79.1
kernel-rt-debuginfo - update to 5.14.21-150500.13.79.1
kernel-rt-devel-debuginfo - update to 5.14.21-150500.13.79.1
kernel-rt_debug-vdso - update to 5.14.21-150500.13.79.1
kernel-rt-debugsource - update to 5.14.21-150500.13.79.1
kernel-rt_debug-debugsource - update to 5.14.21-150500.13.79.1
cluster-md-kmp-rt - update to 5.14.21-150500.13.79.1
kernel-rt_debug-devel - update to 5.14.21-150500.13.79.1
dlm-kmp-rt-debuginfo - update to 5.14.21-150500.13.79.1
gfs2-kmp-rt-debuginfo - update to 5.14.21-150500.13.79.1
kernel-rt_debug-debuginfo - update to 5.14.21-150500.13.79.1
kernel-rt-vdso - update to 5.14.21-150500.13.79.1
kernel-rt_debug-vdso-debuginfo - update to 5.14.21-150500.13.79.1
dlm-kmp-rt - update to 5.14.21-150500.13.79.1
kernel-rt-devel - update to 5.14.21-150500.13.79.1
gfs2-kmp-rt - update to 5.14.21-150500.13.79.1
kernel-syms-rt - update to 5.14.21-150500.13.79.1
ocfs2-kmp-rt - update to 5.14.21-150500.13.79.1
kernel-rt-vdso-debuginfo - update to 5.14.21-150500.13.79.1
cluster-md-kmp-rt-debuginfo - update to 5.14.21-150500.13.79.1
ocfs2-kmp-rt-debuginfo - update to 5.14.21-150500.13.79.1
kernel-syms-azure - update to 5.14.21-150500.33.75.1
kernel-azure-optional-debuginfo - update to 5.14.21-150500.33.75.1
kernel-azure-devel-debuginfo - update to 5.14.21-150500.33.75.1
kernel-azure-devel - update to 5.14.21-150500.33.75.1
reiserfs-kmp-azure-debuginfo - update to 5.14.21-150500.33.75.1
reiserfs-kmp-azure - update to 5.14.21-150500.33.75.1
gfs2-kmp-azure - update to 5.14.21-150500.33.75.1
dlm-kmp-azure-debuginfo - update to 5.14.21-150500.33.75.1
kernel-azure-debuginfo - update to 5.14.21-150500.33.75.1
kernel-azure-debugsource - update to 5.14.21-150500.33.75.1
cluster-md-kmp-azure - update to 5.14.21-150500.33.75.1
kernel-azure-optional - update to 5.14.21-150500.33.75.1
gfs2-kmp-azure-debuginfo - update to 5.14.21-150500.33.75.1
dlm-kmp-azure - update to 5.14.21-150500.33.75.1
ocfs2-kmp-azure - update to 5.14.21-150500.33.75.1
kselftests-kmp-azure - update to 5.14.21-150500.33.75.1
ocfs2-kmp-azure-debuginfo - update to 5.14.21-150500.33.75.1
cluster-md-kmp-azure-debuginfo - update to 5.14.21-150500.33.75.1
kernel-azure-extra - update to 5.14.21-150500.33.75.1
kernel-azure-extra-debuginfo - update to 5.14.21-150500.33.75.1
kselftests-kmp-azure-debuginfo - update to 5.14.21-150500.33.75.1
kernel-azure - update to 5.14.21-150500.33.75.1
kernel-azure-vdso - update to 5.14.21-150500.33.75.1
kernel-azure-vdso-debuginfo - update to 5.14.21-150500.33.75.1
kernel-devel-azure - update to 5.14.21-150500.33.75.1
kernel-source-azure - update to 5.14.21-150500.33.75.1
kernel-docs - update to 5.14.21-150500.55.88.1
kernel-default - update to 5.14.21-150500.55.88.1
kernel-default-debuginfo - update to 5.14.21-150500.55.88.1
kernel-default-debugsource - update to 5.14.21-150500.55.88.1
kernel-64kb - update to 5.14.21-150500.55.88.1
kernel-64kb-devel-debuginfo - update to 5.14.21-150500.55.88.1
kernel-64kb-debuginfo - update to 5.14.21-150500.55.88.1
kernel-64kb-devel - update to 5.14.21-150500.55.88.1
kernel-64kb-debugsource - update to 5.14.21-150500.55.88.1
kernel-default-devel - update to 5.14.21-150500.55.88.1
kernel-default-devel-debuginfo - update to 5.14.21-150500.55.88.1
kernel-macros - update to 5.14.21-150500.55.88.1
kernel-devel - update to 5.14.21-150500.55.88.1
kernel-zfcpdump - update to 5.14.21-150500.55.88.1
kernel-zfcpdump-debugsource - update to 5.14.21-150500.55.88.1
kernel-zfcpdump-debuginfo - update to 5.14.21-150500.55.88.1
kernel-default-livepatch-devel - update to 5.14.21-150500.55.88.1
ocfs2-kmp-default-debuginfo - update to 5.14.21-150500.55.88.1
dlm-kmp-default - update to 5.14.21-150500.55.88.1
cluster-md-kmp-default - update to 5.14.21-150500.55.88.1
gfs2-kmp-default - update to 5.14.21-150500.55.88.1
dlm-kmp-default-debuginfo - update to 5.14.21-150500.55.88.1
gfs2-kmp-default-debuginfo - update to 5.14.21-150500.55.88.1
cluster-md-kmp-default-debuginfo - update to 5.14.21-150500.55.88.1
ocfs2-kmp-default - update to 5.14.21-150500.55.88.1
kernel-default-livepatch - update to 5.14.21-150500.55.88.1
reiserfs-kmp-default - update to 5.14.21-150500.55.88.1
reiserfs-kmp-default-debuginfo - update to 5.14.21-150500.55.88.1
kernel-source - update to 5.14.21-150500.55.88.1
kernel-obs-build-debugsource - update to 5.14.21-150500.55.88.1
kernel-obs-build - update to 5.14.21-150500.55.88.1
kernel-syms - update to 5.14.21-150500.55.88.1
kernel-default-base - update to 5.14.21-150500.55.88.1.150500.6.39.4

• https://git.kernel.org/stable/c/549b46f8130effccf168293270bb3b1d5da529cc
• https://git.kernel.org/stable/c/a49894a5ac3656f1a4f0f6b110460060e8026bf8
• https://git.kernel.org/stable/c/dc8fa6570deadb70c3fb74d7cd8ce38849feaed0
• https://git.kernel.org/stable/c/b5ca338751ad4783ec8d37b5d99c3e37b7813e59
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.159
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.83
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.13
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1

• Improper locking in Linux kernel bluetooth
• openEuler 22.03 LTS SP1 update for kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel