Race condition in Pixel - CVE-2022-20567

Vulnerability identifier: #VU74690

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-2022-20567

CWE-ID: CWE-362

Exploitation vector: Local access

Exploit availability: No public exploit available

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

The vulnerability exists due to a race condition within the pppol2tp_create() function in l2tp_ppp.c. A local user can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system.

Pixel
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise High Availability Extension 12
SUSE Linux Enterprise Real Time 12
SUSE Linux Enterprise Software Development Kit 12
SUSE CaaS Platform
SUSE Manager Server
SUSE Manager Retail Branch Server
SUSE Manager Proxy
SUSE OpenStack Cloud
SUSE OpenStack Cloud Crowbar
SUSE Linux Enterprise Server 12 SP4 LTSS
SUSE Linux Enterprise Server 12 SP4 ESPOS
SUSE Linux Enterprise Live Patching
SUSE Linux Enterprise Workstation Extension 12
Ubuntu
SUSE Linux Enterprise Server 15 SP1 LTSS
SUSE Linux Enterprise Server 15 SP1 Business Critical Linux
SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS
openSUSE Leap
linux-image-aws (Ubuntu package)
linux-image-4.4.0-1130-kvm (Ubuntu package)
linux-image-4.4.0-252-generic (Ubuntu package)
linux-image-4.4.0-252-lowlatency (Ubuntu package)
linux-image-generic (Ubuntu package)
linux-image-generic-lts-xenial (Ubuntu package)
linux-image-kvm (Ubuntu package)
linux-image-lowlatency (Ubuntu package)
linux-image-virtual (Ubuntu package)
linux-image-virtual-lts-xenial (Ubuntu package)
linux-image-4.4.0-1129-aws (Ubuntu package)
linux-image-4.4.0-1167-aws (Ubuntu package)
linux-image-lowlatency-lts-xenial (Ubuntu package)
kgraft-patch-4_12_14-95_125-default
kgraft-patch-4_12_14-122_156-default
kernel-livepatch-4_12_14-150100_197_142-default
kernel-rt_debug
kernel-source-rt
kernel-devel-rt
gfs2-kmp-rt-debuginfo
cluster-md-kmp-rt
dlm-kmp-rt-debuginfo
kernel-rt-devel
kernel-rt_debug-debugsource
dlm-kmp-rt
gfs2-kmp-rt
kernel-rt-debugsource
kernel-rt
kernel-rt_debug-debuginfo
ocfs2-kmp-rt-debuginfo
kernel-rt-base-debuginfo
ocfs2-kmp-rt
kernel-rt_debug-devel-debuginfo
kernel-rt_debug-devel
kernel-rt-base
kernel-rt-devel-debuginfo
kernel-rt-debuginfo
cluster-md-kmp-rt-debuginfo
kernel-syms-rt
kernel-azure
kernel-azure-base-debuginfo
kernel-azure-debugsource
kernel-syms-azure
kernel-azure-base
kernel-azure-debuginfo
kernel-azure-devel
kernel-source-azure
kernel-devel-azure
gfs2-kmp-default
kernel-default-debugsource
ocfs2-kmp-default-debuginfo
cluster-md-kmp-default-debuginfo
gfs2-kmp-default-debuginfo
dlm-kmp-default-debuginfo
dlm-kmp-default
ocfs2-kmp-default
kernel-default-kgraft-devel
kernel-default-kgraft
kernel-default-man
cluster-md-kmp-default
kernel-devel
kernel-macros
kernel-source
kernel-default
kernel-default-base-debuginfo
kernel-default-base
kernel-default-devel-debuginfo
kernel-default-devel
kernel-default-debuginfo
kernel-syms
kernel-default-extra
kernel-default-extra-debuginfo
kernel-obs-build-debugsource
kernel-obs-build
kernel-docs
kernel-zfcpdump
kernel-kvmsmall
kernel-debug
kernel-debug-base-debuginfo
kernel-debug-base
kernel-vanilla-livepatch-devel
kernel-vanilla-devel
kernel-vanilla-devel-debuginfo
reiserfs-kmp-default-debuginfo
kernel-zfcpdump-debuginfo
kernel-zfcpdump-debugsource
reiserfs-kmp-default
kernel-default-livepatch-devel
kernel-kvmsmall-base-debuginfo
kernel-kvmsmall-base
kernel-vanilla
kernel-zfcpdump-man
kernel-default-livepatch
kernel-vanilla-base
kernel-vanilla-debugsource
kernel-vanilla-base-debuginfo
kernel-vanilla-debuginfo
drbd
drbd-debugsource
drbd-kmp-default-debuginfo
drbd-kmp-default
EMC Cloud Tiering Appliance

Install security update from vendor's website.

Pixel - update to 2022-12-05
linux-image-aws (Ubuntu package) - update to Ubuntu Pro (Infra-only)
linux-image-4.4.0-1130-kvm (Ubuntu package) - update to Ubuntu Pro
linux-image-4.4.0-252-generic (Ubuntu package) - update to Ubuntu Pro
linux-image-4.4.0-252-lowlatency (Ubuntu package) - update to Ubuntu Pro
linux-image-generic (Ubuntu package) - update to Ubuntu Pro (Infra-only)
linux-image-generic-lts-xenial (Ubuntu package) - update to Ubuntu Pro (Infra-only)
linux-image-kvm (Ubuntu package) - update to Ubuntu Pro (Infra-only)
linux-image-lowlatency (Ubuntu package) - update to Ubuntu Pro (Infra-only)
linux-image-virtual (Ubuntu package) - update to Ubuntu Pro (Infra-only)
linux-image-virtual-lts-xenial (Ubuntu package) - update to Ubuntu Pro (Infra-only)
linux-image-4.4.0-1129-aws (Ubuntu package) - update to Ubuntu Pro
linux-image-4.4.0-1167-aws (Ubuntu package) - update to Ubuntu Pro
linux-image-lowlatency-lts-xenial (Ubuntu package) - update to Ubuntu Pro (Infra-only)
kgraft-patch-4_12_14-95_125-default - update to 1-6.5.1
kgraft-patch-4_12_14-122_156-default - update to 1-8.3.1
kernel-livepatch-4_12_14-150100_197_142-default - update to 1-150100.3.5.1
kernel-rt_debug - update to 4.12.14-10.121.1
kernel-source-rt - update to 4.12.14-10.121.1
kernel-devel-rt - update to 4.12.14-10.121.1
gfs2-kmp-rt-debuginfo - update to 4.12.14-10.121.1
cluster-md-kmp-rt - update to 4.12.14-10.121.1
dlm-kmp-rt-debuginfo - update to 4.12.14-10.121.1
kernel-rt-devel - update to 4.12.14-10.121.1
kernel-rt_debug-debugsource - update to 4.12.14-10.121.1
dlm-kmp-rt - update to 4.12.14-10.121.1
gfs2-kmp-rt - update to 4.12.14-10.121.1
kernel-rt-debugsource - update to 4.12.14-10.121.1
kernel-rt - update to 4.12.14-10.121.1
kernel-rt_debug-debuginfo - update to 4.12.14-10.121.1
ocfs2-kmp-rt-debuginfo - update to 4.12.14-10.121.1
kernel-rt-base-debuginfo - update to 4.12.14-10.121.1
ocfs2-kmp-rt - update to 4.12.14-10.121.1
kernel-rt_debug-devel-debuginfo - update to 4.12.14-10.121.1
kernel-rt_debug-devel - update to 4.12.14-10.121.1
kernel-rt-base - update to 4.12.14-10.121.1
kernel-rt-devel-debuginfo - update to 4.12.14-10.121.1
kernel-rt-debuginfo - update to 4.12.14-10.121.1
cluster-md-kmp-rt-debuginfo - update to 4.12.14-10.121.1
kernel-syms-rt - update to 4.12.14-10.121.1
kernel-azure - update to 4.12.14-16.130.1
kernel-azure-base-debuginfo - update to 4.12.14-16.130.1
kernel-azure-debugsource - update to 4.12.14-16.130.1
kernel-syms-azure - update to 4.12.14-16.130.1
kernel-azure-base - update to 4.12.14-16.130.1
kernel-azure-debuginfo - update to 4.12.14-16.130.1
kernel-azure-devel - update to 4.12.14-16.130.1
kernel-source-azure - update to 4.12.14-16.130.1
kernel-devel-azure - update to 4.12.14-16.130.1
gfs2-kmp-default - addressed in versions 4.12.14-95.125.1, 4.12.14-122.156.1, 4.12.14-150100.197.142.1
kernel-default-debugsource - addressed in versions 4.12.14-95.125.1, 4.12.14-122.156.1, 4.12.14-150100.197.142.1
ocfs2-kmp-default-debuginfo - addressed in versions 4.12.14-95.125.1, 4.12.14-122.156.1, 4.12.14-150100.197.142.1
cluster-md-kmp-default-debuginfo - addressed in versions 4.12.14-95.125.1, 4.12.14-122.156.1, 4.12.14-150100.197.142.1
gfs2-kmp-default-debuginfo - addressed in versions 4.12.14-95.125.1, 4.12.14-122.156.1, 4.12.14-150100.197.142.1
dlm-kmp-default-debuginfo - addressed in versions 4.12.14-95.125.1, 4.12.14-122.156.1, 4.12.14-150100.197.142.1
dlm-kmp-default - addressed in versions 4.12.14-95.125.1, 4.12.14-122.156.1, 4.12.14-150100.197.142.1
ocfs2-kmp-default - addressed in versions 4.12.14-95.125.1, 4.12.14-122.156.1, 4.12.14-150100.197.142.1
kernel-default-kgraft-devel - addressed in versions 4.12.14-95.125.1, 4.12.14-122.156.1
kernel-default-kgraft - addressed in versions 4.12.14-95.125.1, 4.12.14-122.156.1
kernel-default-man - addressed in versions 4.12.14-95.125.1, 4.12.14-122.156.1, 4.12.14-150100.197.142.1
cluster-md-kmp-default - addressed in versions 4.12.14-95.125.1, 4.12.14-122.156.1, 4.12.14-150100.197.142.1
kernel-devel - addressed in versions 4.12.14-95.125.1, 4.12.14-122.156.1, 4.12.14-150100.197.142.1
kernel-macros - addressed in versions 4.12.14-95.125.1, 4.12.14-122.156.1, 4.12.14-150100.197.142.1
kernel-source - addressed in versions 4.12.14-95.125.1, 4.12.14-122.156.1, 4.12.14-150100.197.142.1
kernel-default - addressed in versions 4.12.14-95.125.1, 4.12.14-122.156.1, 4.12.14-150100.197.142.1
kernel-default-base-debuginfo - addressed in versions 4.12.14-95.125.1, 4.12.14-122.156.1, 4.12.14-150100.197.142.1
kernel-default-base - addressed in versions 4.12.14-95.125.1, 4.12.14-122.156.1, 4.12.14-150100.197.142.1
kernel-default-devel-debuginfo - addressed in versions 4.12.14-95.125.1, 4.12.14-122.156.1, 4.12.14-150100.197.142.1
kernel-default-devel - addressed in versions 4.12.14-95.125.1, 4.12.14-122.156.1, 4.12.14-150100.197.142.1
kernel-default-debuginfo - addressed in versions 4.12.14-95.125.1, 4.12.14-122.156.1, 4.12.14-150100.197.142.1
kernel-syms - addressed in versions 4.12.14-95.125.1, 4.12.14-122.156.1, 4.12.14-150100.197.142.1
kernel-default-extra - update to 4.12.14-122.156.1
kernel-default-extra-debuginfo - update to 4.12.14-122.156.1
kernel-obs-build-debugsource - addressed in versions 4.12.14-122.156.1, 4.12.14-150100.197.142.1
kernel-obs-build - addressed in versions 4.12.14-122.156.1, 4.12.14-150100.197.142.1
kernel-docs - addressed in versions 4.12.14-122.156.1, 4.12.14-150100.197.142.1
kernel-zfcpdump - update to 4.12.14-150100.197.142.1
kernel-kvmsmall - update to 4.12.14-150100.197.142.1
kernel-debug - update to 4.12.14-150100.197.142.1
kernel-debug-base-debuginfo - update to 4.12.14-150100.197.142.1
kernel-debug-base - update to 4.12.14-150100.197.142.1
kernel-vanilla-livepatch-devel - update to 4.12.14-150100.197.142.1
kernel-vanilla-devel - update to 4.12.14-150100.197.142.1
kernel-vanilla-devel-debuginfo - update to 4.12.14-150100.197.142.1
reiserfs-kmp-default-debuginfo - update to 4.12.14-150100.197.142.1
kernel-zfcpdump-debuginfo - update to 4.12.14-150100.197.142.1
kernel-zfcpdump-debugsource - update to 4.12.14-150100.197.142.1
reiserfs-kmp-default - update to 4.12.14-150100.197.142.1
kernel-default-livepatch-devel - update to 4.12.14-150100.197.142.1
kernel-kvmsmall-base-debuginfo - update to 4.12.14-150100.197.142.1
kernel-kvmsmall-base - update to 4.12.14-150100.197.142.1
kernel-vanilla - update to 4.12.14-150100.197.142.1
kernel-zfcpdump-man - update to 4.12.14-150100.197.142.1
kernel-default-livepatch - update to 4.12.14-150100.197.142.1
kernel-vanilla-base - update to 4.12.14-150100.197.142.1
kernel-vanilla-debugsource - update to 4.12.14-150100.197.142.1
kernel-vanilla-base-debuginfo - update to 4.12.14-150100.197.142.1
kernel-vanilla-debuginfo - update to 4.12.14-150100.197.142.1
drbd - update to 9.0.14+git.62f906cf-4.26.2
drbd-debugsource - update to 9.0.14+git.62f906cf-4.26.2
drbd-kmp-default-debuginfo - update to 9.0.14+git.62f906cf_k4.12.14_95.125-4.26.2
drbd-kmp-default - update to 9.0.14+git.62f906cf_k4.12.14_95.125-4.26.2
EMC Cloud Tiering Appliance - update to 13.1.0.2.33

• https://android.googlesource.com/kernel/common/+/d02ba2a6110c5
• https://source.android.com/docs/security/bulletin/pixel/2022-12-01

• Multiple vulnerabilities in Google Pixel (December 2022)
• 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
• Multiple vulnerabilities in Dell Cloud Tiering Appliance
• Ubuntu update for linux
• Ubuntu update for linux-aws