Use-after-free in Linux kernel - CVE-2023-23586

Vulnerability identifier: #VU77256

CSH Severity: Low

CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2023-23586

CWE-ID: CWE-416

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to a use-after-free error in the io_uring subsystem. A local user can gain access to sensitive information.

Linux kernel
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Manager Proxy
SUSE Manager Retail Branch Server
SUSE Manager Server
SUSE Linux Enterprise Micro
SUSE Linux Enterprise Micro for Rancher
SUSE Enterprise Storage
SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS
SUSE Linux Enterprise Live Patching
SUSE Linux Enterprise Server 15 SP2 Business Critical Linux
SUSE Linux Enterprise Server 15 SP2 LTSS
SUSE Linux Enterprise Server 15 SP3 LTSS
SUSE Linux Enterprise Server 15 SP3 Business Critical Linux
SUSE Real Time Module
openSUSE Leap
openEuler
kernel-livepatch-SLE15-SP2_Update_37-debugsource
kernel-livepatch-5_3_18-150200_24_154-default-debuginfo
kernel-livepatch-5_3_18-150200_24_154-default
kernel-livepatch-5_3_18-150300_59_124-default
kernel-default-devel-debuginfo
kernel-obs-build
kernel-preempt-debugsource
cluster-md-kmp-default
gfs2-kmp-default
ocfs2-kmp-default
cluster-md-kmp-default-debuginfo
dlm-kmp-default-debuginfo
gfs2-kmp-default-debuginfo
kernel-default-debuginfo
ocfs2-kmp-default-debuginfo
dlm-kmp-default
kernel-default-debugsource
kernel-default
kernel-preempt
kernel-obs-build-debugsource
kernel-syms
kernel-preempt-devel
kernel-preempt-debuginfo
kernel-preempt-devel-debuginfo
kernel-default-devel
kernel-macros
kernel-source
reiserfs-kmp-default
reiserfs-kmp-default-debuginfo
kernel-default-livepatch-devel
kernel-default-livepatch
kernel-devel
kernel-default-base
kernel-docs
kernel-zfcpdump
kernel-zfcpdump-debuginfo
kernel-zfcpdump-debugsource
dtb-aarch64
dtb-zte
dtb-al
kernel-64kb
kernel-64kb-debuginfo
kernel-64kb-devel
kernel-64kb-devel-debuginfo
kernel-64kb-debugsource
ocfs2-kmp-rt-debuginfo
kernel-rt
kernel-rt_debug
kernel-rt-devel
kernel-rt_debug-devel-debuginfo
kernel-rt_debug-devel
cluster-md-kmp-rt
gfs2-kmp-rt
cluster-md-kmp-rt-debuginfo
kernel-rt-debugsource
dlm-kmp-rt-debuginfo
kernel-rt-debuginfo
dlm-kmp-rt
kernel-source-rt
kernel-devel-rt
kernel-syms-rt
gfs2-kmp-rt-debuginfo
kernel-rt-devel-debuginfo
kernel-rt_debug-debugsource
kernel-rt_debug-debuginfo
ocfs2-kmp-rt
kernel-debuginfo
python3-perf
bpftool-debuginfo
kernel-tools
kernel-tools-devel
kernel-debugsource
python3-perf-debuginfo
perf-debuginfo
kernel-tools-debuginfo
bpftool
kernel-headers
kernel
perf
EMC Cloud Tiering Appliance

Install updates from vendor's website.

Linux kernel - update to 5.10.161
kernel-livepatch-SLE15-SP2_Update_37-debugsource - update to 1-150200.5.3.1
kernel-livepatch-5_3_18-150200_24_154-default-debuginfo - update to 1-150200.5.3.1
kernel-livepatch-5_3_18-150200_24_154-default - update to 1-150200.5.3.1
kernel-livepatch-5_3_18-150300_59_124-default - update to 1-150300.7.3.1
kernel-default-devel-debuginfo - addressed in versions 5.3.18-150200.24.154.1, 5.3.18-150300.59.124.1
kernel-obs-build - addressed in versions 5.3.18-150200.24.154.1, 5.3.18-150300.59.124.1
kernel-preempt-debugsource - addressed in versions 5.3.18-150200.24.154.1, 5.3.18-150300.59.124.1
cluster-md-kmp-default - addressed in versions 5.3.18-150200.24.154.1, 5.3.18-150300.59.124.1
gfs2-kmp-default - addressed in versions 5.3.18-150200.24.154.1, 5.3.18-150300.59.124.1
ocfs2-kmp-default - addressed in versions 5.3.18-150200.24.154.1, 5.3.18-150300.59.124.1
cluster-md-kmp-default-debuginfo - addressed in versions 5.3.18-150200.24.154.1, 5.3.18-150300.59.124.1
dlm-kmp-default-debuginfo - addressed in versions 5.3.18-150200.24.154.1, 5.3.18-150300.59.124.1
gfs2-kmp-default-debuginfo - addressed in versions 5.3.18-150200.24.154.1, 5.3.18-150300.59.124.1
kernel-default-debuginfo - addressed in versions 5.3.18-150200.24.154.1, 5.3.18-150300.59.124.1
ocfs2-kmp-default-debuginfo - addressed in versions 5.3.18-150200.24.154.1, 5.3.18-150300.59.124.1
dlm-kmp-default - addressed in versions 5.3.18-150200.24.154.1, 5.3.18-150300.59.124.1
kernel-default-debugsource - addressed in versions 5.3.18-150200.24.154.1, 5.3.18-150300.59.124.1
kernel-default - addressed in versions 5.3.18-150200.24.154.1, 5.3.18-150300.59.124.1
kernel-preempt - addressed in versions 5.3.18-150200.24.154.1, 5.3.18-150300.59.124.1
kernel-obs-build-debugsource - addressed in versions 5.3.18-150200.24.154.1, 5.3.18-150300.59.124.1
kernel-syms - addressed in versions 5.3.18-150200.24.154.1, 5.3.18-150300.59.124.1
kernel-preempt-devel - addressed in versions 5.3.18-150200.24.154.1, 5.3.18-150300.59.124.1
kernel-preempt-debuginfo - addressed in versions 5.3.18-150200.24.154.1, 5.3.18-150300.59.124.1
kernel-preempt-devel-debuginfo - addressed in versions 5.3.18-150200.24.154.1, 5.3.18-150300.59.124.1
kernel-default-devel - addressed in versions 5.3.18-150200.24.154.1, 5.3.18-150300.59.124.1
kernel-macros - addressed in versions 5.3.18-150200.24.154.1, 5.3.18-150300.59.124.1
kernel-source - addressed in versions 5.3.18-150200.24.154.1, 5.3.18-150300.59.124.1
reiserfs-kmp-default - addressed in versions 5.3.18-150200.24.154.1, 5.3.18-150300.59.124.1
reiserfs-kmp-default-debuginfo - addressed in versions 5.3.18-150200.24.154.1, 5.3.18-150300.59.124.1
kernel-default-livepatch-devel - addressed in versions 5.3.18-150200.24.154.1, 5.3.18-150300.59.124.1
kernel-default-livepatch - addressed in versions 5.3.18-150200.24.154.1, 5.3.18-150300.59.124.1
kernel-devel - addressed in versions 5.3.18-150200.24.154.1, 5.3.18-150300.59.124.1
kernel-default-base - addressed in versions 5.3.18-150200.24.154.1.150200.9.75.1, 5.3.18-150300.59.124.1.150300.18.72.1
kernel-docs - addressed in versions 5.3.18-150200.24.154.2, 5.3.18-150300.59.124.1
kernel-zfcpdump - update to 5.3.18-150300.59.124.1
kernel-zfcpdump-debuginfo - update to 5.3.18-150300.59.124.1
kernel-zfcpdump-debugsource - update to 5.3.18-150300.59.124.1
dtb-aarch64 - update to 5.3.18-150300.59.124.1
dtb-zte - update to 5.3.18-150300.59.124.1
dtb-al - update to 5.3.18-150300.59.124.1
kernel-64kb - update to 5.3.18-150300.59.124.1
kernel-64kb-debuginfo - update to 5.3.18-150300.59.124.1
kernel-64kb-devel - update to 5.3.18-150300.59.124.1
kernel-64kb-devel-debuginfo - update to 5.3.18-150300.59.124.1
kernel-64kb-debugsource - update to 5.3.18-150300.59.124.1
ocfs2-kmp-rt-debuginfo - update to 5.3.18-150300.130.1
kernel-rt - update to 5.3.18-150300.130.1
kernel-rt_debug - update to 5.3.18-150300.130.1
kernel-rt-devel - update to 5.3.18-150300.130.1
kernel-rt_debug-devel-debuginfo - update to 5.3.18-150300.130.1
kernel-rt_debug-devel - update to 5.3.18-150300.130.1
cluster-md-kmp-rt - update to 5.3.18-150300.130.1
gfs2-kmp-rt - update to 5.3.18-150300.130.1
cluster-md-kmp-rt-debuginfo - update to 5.3.18-150300.130.1
kernel-rt-debugsource - update to 5.3.18-150300.130.1
dlm-kmp-rt-debuginfo - update to 5.3.18-150300.130.1
kernel-rt-debuginfo - update to 5.3.18-150300.130.1
dlm-kmp-rt - update to 5.3.18-150300.130.1
kernel-source-rt - update to 5.3.18-150300.130.1
kernel-devel-rt - update to 5.3.18-150300.130.1
kernel-syms-rt - update to 5.3.18-150300.130.1
gfs2-kmp-rt-debuginfo - update to 5.3.18-150300.130.1
kernel-rt-devel-debuginfo - update to 5.3.18-150300.130.1
kernel-rt_debug-debugsource - update to 5.3.18-150300.130.1
kernel-rt_debug-debuginfo - update to 5.3.18-150300.130.1
ocfs2-kmp-rt - update to 5.3.18-150300.130.1
kernel-debuginfo - addressed in versions 5.10.0-60.84.0.108, 5.10.0-136.21.0.97
python3-perf - addressed in versions 5.10.0-60.84.0.108, 5.10.0-136.21.0.97
bpftool-debuginfo - addressed in versions 5.10.0-60.84.0.108, 5.10.0-136.21.0.97
kernel-tools - addressed in versions 5.10.0-60.84.0.108, 5.10.0-136.21.0.97
kernel-source - addressed in versions 5.10.0-60.84.0.108, 5.10.0-136.21.0.97
kernel-tools-devel - addressed in versions 5.10.0-60.84.0.108, 5.10.0-136.21.0.97
kernel-debugsource - addressed in versions 5.10.0-60.84.0.108, 5.10.0-136.21.0.97
kernel-devel - addressed in versions 5.10.0-60.84.0.108, 5.10.0-136.21.0.97
python3-perf-debuginfo - addressed in versions 5.10.0-60.84.0.108, 5.10.0-136.21.0.97
perf-debuginfo - addressed in versions 5.10.0-60.84.0.108, 5.10.0-136.21.0.97
kernel-tools-debuginfo - addressed in versions 5.10.0-60.84.0.108, 5.10.0-136.21.0.97
bpftool - addressed in versions 5.10.0-60.84.0.108, 5.10.0-136.21.0.97
kernel-headers - addressed in versions 5.10.0-60.84.0.108, 5.10.0-136.21.0.97
kernel - addressed in versions 5.10.0-60.84.0.108, 5.10.0-136.21.0.97
perf - addressed in versions 5.10.0-60.84.0.108, 5.10.0-136.21.0.97
EMC Cloud Tiering Appliance - update to 13.2.0.2.24

• https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/io_uring?h=linux-5.10.y&id=788d0824269bef539fe31a785b1517882eafed93
• https://kernel.dance/#788d0824269bef539fe31a785b1517882eafed93

• Information disclosure in Linux kernel io_uring subsystem
• 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
• openEuler 22.03 LTS update for kernel
• openEuler 22.03 LTS SP1 update for kernel