Use-after-free in Linux kernel - CVE-2019-19769

Vulnerability identifier: #VU28417

CSH Severity: Low

CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2019-19769

CWE-ID: CWE-416

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local privileged user to execute arbitrary code.

In the Linux kernel 5.3.10, there is a use-after-free (read) in the perf_trace_lock_acquire function (related to include/trace/events/lock.h).

Linux kernel
SUSE MicroOS
SUSE Linux Enterprise Module for Realtime
SUSE Linux Enterprise Workstation Extension
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 Module for Public Cloud
Fedora
kernel-livepatch-SLE15-SP2_Update_12-debugsource
kernel-livepatch-5_3_18-24_61-default-debuginfo
kernel-livepatch-5_3_18-24_61-default
kernel-livepatch-SLE15-SP3_Update_1-debugsource
kernel-livepatch-5_3_18-59_5-default-debuginfo
kernel-livepatch-5_3_18-59_5-default
kernel-rt-debugsource
kernel-rt-debuginfo
kernel-rt
kernel-source-azure
kernel-azure-debuginfo
kernel-azure
kernel-devel-azure
kernel-azure-debugsource
kernel-azure-devel
kernel-azure-devel-debuginfo
kernel-syms-azure
kernel-preempt-extra-debuginfo
kernel-default-devel
kernel-default-livepatch
kernel-default-livepatch-devel
kernel-preempt
kernel-default-devel-debuginfo
reiserfs-kmp-default
reiserfs-kmp-default-debuginfo
kernel-obs-build
kernel-obs-build-debugsource
kernel-syms
kernel-preempt-debuginfo
kernel-preempt-debugsource
kernel-preempt-devel
kernel-preempt-devel-debuginfo
kernel-docs
kernel-source
kernel-default-extra-debuginfo
ocfs2-kmp-default-debuginfo
ocfs2-kmp-default
gfs2-kmp-default-debuginfo
gfs2-kmp-default
dlm-kmp-default-debuginfo
dlm-kmp-default
cluster-md-kmp-default-debuginfo
cluster-md-kmp-default
kernel-macros
kernel-devel
kernel-default
kernel-default-debuginfo
kernel-default-debugsource
kernel-default-extra
kernel-preempt-extra
kernel-default-base
dlm-kmp-rt
dlm-kmp-rt-debuginfo
cluster-md-kmp-rt-debuginfo
gfs2-kmp-rt
gfs2-kmp-rt-debuginfo
kernel-rt-devel
kernel-rt-devel-debuginfo
kernel-rt_debug-debuginfo
kernel-rt_debug-debugsource
kernel-rt_debug-devel
kernel-rt_debug-devel-debuginfo
kernel-syms-rt
ocfs2-kmp-rt
ocfs2-kmp-rt-debuginfo
kernel-devel-rt
kernel-source-rt
cluster-md-kmp-rt
kernel-zfcpdump
kernel-64kb
kernel-64kb-debuginfo
kernel-64kb-debugsource
kernel-64kb-devel
kernel-64kb-devel-debuginfo
kernel-zfcpdump-debuginfo
kernel-zfcpdump-debugsource
kernel
kernel-headers
kernel-tools

Install update from vendor's website.

Linux kernel - update to 5.6
kernel-livepatch-SLE15-SP2_Update_12-debugsource - update to 1-5.3.4
kernel-livepatch-5_3_18-24_61-default-debuginfo - update to 1-5.3.4
kernel-livepatch-5_3_18-24_61-default - update to 1-5.3.4
kernel-livepatch-SLE15-SP3_Update_1-debugsource - update to 1-7.5.1
kernel-livepatch-5_3_18-59_5-default-debuginfo - update to 1-7.5.1
kernel-livepatch-5_3_18-59_5-default - update to 1-7.5.1
kernel-rt-debugsource - addressed in versions 5.3.18-8.7.1, 5.3.18-33.1
kernel-rt-debuginfo - addressed in versions 5.3.18-8.7.1, 5.3.18-33.1
kernel-rt - addressed in versions 5.3.18-8.7.1, 5.3.18-33.1
kernel-source-azure - addressed in versions 5.3.18-18.41.1, 5.3.18-38.3.1
kernel-azure-debuginfo - addressed in versions 5.3.18-18.41.1, 5.3.18-38.3.1
kernel-azure - addressed in versions 5.3.18-18.41.1, 5.3.18-38.3.1
kernel-devel-azure - addressed in versions 5.3.18-18.41.1, 5.3.18-38.3.1
kernel-azure-debugsource - addressed in versions 5.3.18-18.41.1, 5.3.18-38.3.1
kernel-azure-devel - addressed in versions 5.3.18-18.41.1, 5.3.18-38.3.1
kernel-azure-devel-debuginfo - addressed in versions 5.3.18-18.41.1, 5.3.18-38.3.1
kernel-syms-azure - addressed in versions 5.3.18-18.41.1, 5.3.18-38.3.1
kernel-preempt-extra-debuginfo - addressed in versions 5.3.18-24.61.1, 5.3.18-59.5.2
kernel-default-devel - addressed in versions 5.3.18-24.61.1, 5.3.18-59.5.2
kernel-default-livepatch - addressed in versions 5.3.18-24.61.1, 5.3.18-59.5.2
kernel-default-livepatch-devel - addressed in versions 5.3.18-24.61.1, 5.3.18-59.5.2
kernel-preempt - addressed in versions 5.3.18-24.61.1, 5.3.18-59.5.2
kernel-default-devel-debuginfo - addressed in versions 5.3.18-24.61.1, 5.3.18-59.5.2
reiserfs-kmp-default - addressed in versions 5.3.18-24.61.1, 5.3.18-59.5.2
reiserfs-kmp-default-debuginfo - addressed in versions 5.3.18-24.61.1, 5.3.18-59.5.2
kernel-obs-build - addressed in versions 5.3.18-24.61.1, 5.3.18-59.5.1
kernel-obs-build-debugsource - addressed in versions 5.3.18-24.61.1, 5.3.18-59.5.1
kernel-syms - addressed in versions 5.3.18-24.61.1, 5.3.18-59.5.1
kernel-preempt-debuginfo - addressed in versions 5.3.18-24.61.1, 5.3.18-59.5.2
kernel-preempt-debugsource - addressed in versions 5.3.18-24.61.1, 5.3.18-59.5.2
kernel-preempt-devel - addressed in versions 5.3.18-24.61.1, 5.3.18-59.5.2
kernel-preempt-devel-debuginfo - addressed in versions 5.3.18-24.61.1, 5.3.18-59.5.2
kernel-docs - addressed in versions 5.3.18-24.61.1, 5.3.18-59.5.2
kernel-source - addressed in versions 5.3.18-24.61.1, 5.3.18-59.5.2
kernel-default-extra-debuginfo - addressed in versions 5.3.18-24.61.1, 5.3.18-59.5.2
ocfs2-kmp-default-debuginfo - addressed in versions 5.3.18-24.61.1, 5.3.18-59.5.2
ocfs2-kmp-default - addressed in versions 5.3.18-24.61.1, 5.3.18-59.5.2
gfs2-kmp-default-debuginfo - addressed in versions 5.3.18-24.61.1, 5.3.18-59.5.2
gfs2-kmp-default - addressed in versions 5.3.18-24.61.1, 5.3.18-59.5.2
dlm-kmp-default-debuginfo - addressed in versions 5.3.18-24.61.1, 5.3.18-59.5.2
dlm-kmp-default - addressed in versions 5.3.18-24.61.1, 5.3.18-59.5.2
cluster-md-kmp-default-debuginfo - addressed in versions 5.3.18-24.61.1, 5.3.18-59.5.2
cluster-md-kmp-default - addressed in versions 5.3.18-24.61.1, 5.3.18-59.5.2
kernel-macros - addressed in versions 5.3.18-24.61.1, 5.3.18-59.5.2
kernel-devel - addressed in versions 5.3.18-24.61.1, 5.3.18-59.5.2
kernel-default - addressed in versions 5.3.18-24.61.1, 5.3.18-59.5.2
kernel-default-debuginfo - addressed in versions 5.3.18-24.61.1, 5.3.18-59.5.2
kernel-default-debugsource - addressed in versions 5.3.18-24.61.1, 5.3.18-59.5.2
kernel-default-extra - addressed in versions 5.3.18-24.61.1, 5.3.18-59.5.2
kernel-preempt-extra - addressed in versions 5.3.18-24.61.1, 5.3.18-59.5.2
kernel-default-base - addressed in versions 5.3.18-24.61.1.9.26.4, 5.3.18-59.5.2.18.2.2
dlm-kmp-rt - update to 5.3.18-33.1
dlm-kmp-rt-debuginfo - update to 5.3.18-33.1
cluster-md-kmp-rt-debuginfo - update to 5.3.18-33.1
gfs2-kmp-rt - update to 5.3.18-33.1
gfs2-kmp-rt-debuginfo - update to 5.3.18-33.1
kernel-rt-devel - update to 5.3.18-33.1
kernel-rt-devel-debuginfo - update to 5.3.18-33.1
kernel-rt_debug-debuginfo - update to 5.3.18-33.1
kernel-rt_debug-debugsource - update to 5.3.18-33.1
kernel-rt_debug-devel - update to 5.3.18-33.1
kernel-rt_debug-devel-debuginfo - update to 5.3.18-33.1
kernel-syms-rt - update to 5.3.18-33.1
ocfs2-kmp-rt - update to 5.3.18-33.1
ocfs2-kmp-rt-debuginfo - update to 5.3.18-33.1
kernel-devel-rt - update to 5.3.18-33.1
kernel-source-rt - update to 5.3.18-33.1
cluster-md-kmp-rt - update to 5.3.18-33.1
kernel-zfcpdump - update to 5.3.18-59.5.2
kernel-64kb - update to 5.3.18-59.5.2
kernel-64kb-debuginfo - update to 5.3.18-59.5.2
kernel-64kb-debugsource - update to 5.3.18-59.5.2
kernel-64kb-devel - update to 5.3.18-59.5.2
kernel-64kb-devel-debuginfo - update to 5.3.18-59.5.2
kernel-zfcpdump-debuginfo - update to 5.3.18-59.5.2
kernel-zfcpdump-debugsource - update to 5.3.18-59.5.2
kernel - addressed in versions 5.5.11-100.fc30, 5.5.11-200.fc31, 5.5.13-100.fc30, 5.5.15-100.fc30, 5.5.16-100.fc30
kernel-headers - addressed in versions 5.5.15-100.fc30, 5.5.16-100.fc30
kernel-tools - addressed in versions 5.5.15-100.fc30, 5.5.16-100.fc30

• https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.28
• https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.5.12
• https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6

• Use-after-free in 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
• SUSE update for the Linux Kernel
• Fedora 31 update for kernel
• Fedora 30 update for kernel
• Fedora 30 update for kernel
• Fedora 30 update for kernel, kernel-headers, kernel-tools
• Fedora 30 update for kernel, kernel-headers, kernel-tools