Use-after-free in Linux kernel - CVE-2023-4207

Vulnerability identifier: #VU80587

CSH Severity: Low

CVSS v4 BT: 5.9 [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/E:U/U:Clear]

CVE-ID: CVE-2023-4207

CWE-ID: CWE-416

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 use-after-free error within the the cls_fw component in Linux kernel packet scheduler. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.

Linux kernel
Oracle Linux
Amazon Linux AMI
Debian Linux
Red Hat Enterprise Linux for Power, little endian
Anolis OS
Red Hat Enterprise Linux for Scientific Computing
Red Hat Enterprise Linux for Real Time
Red Hat Enterprise Linux for Real Time for NFV
Red Hat Enterprise Linux for Power, big endian
CentOS
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux for x86_64
Red Hat CodeReady Linux Builder for ARM 64
Red Hat CodeReady Linux Builder for Power, little endian
Red Hat CodeReady Linux Builder for x86_64
Red Hat Enterprise Linux for ARM 64
Slackware Linux
openEuler
IBM Spectrum Copy Data Management
OpenShift Logging
Session Smart Router
IBM Security Verify Governance
IBM Cloud Pak for Watson AIOps
SmartFabric OS10
Storage Defender – Data Protect
Technical Support Appliance
XtremIO X2
Storage Protect Plus Server
Red Hat OpenShift Container Platform
IBM DataPower Gateway
RecoverPoint for Virtual Machines
IBM Qradar SIEM
Juniper Secure Analytics (JSA)
IBM Security Guardium
kpatch-patch-3_10_0-1160_102_1 (Red Hat package)
kpatch-patch-4_18_0-477_27_1 (Red Hat package)
kpatch-patch-5_14_0-284_30_1 (Red Hat package)
kpatch-patch-3_10_0-1160_99_1 (Red Hat package)
kpatch-patch-4_18_0-477_21_1 (Red Hat package)
kpatch-patch-3_10_0-1160_95_1 (Red Hat package)
kpatch-patch-4_18_0-477_13_1 (Red Hat package)
kpatch-patch-4_18_0-477_15_1 (Red Hat package)
kpatch-patch-3_10_0-1160_92_1 (Red Hat package)
kpatch-patch-3_10_0-1160_90_1 (Red Hat package)
kpatch-patch-4_18_0-477_10_1 (Red Hat package)
kpatch-patch-5_14_0-284_25_1 (Red Hat package)
kpatch-patch-5_14_0-284_18_1 (Red Hat package)
kpatch-patch-5_14_0-284_11_1 (Red Hat package)
kernel (Red Hat package)
kernel-rt (Red Hat package)
kernel-tools-libs
kernel-tools-libs-devel
kernel-tools
kernel-headers
kernel-devel
perf
kernel-debug-devel
kernel-debug
kernel
python-perf
bpftool
kernel-abi-whitelists
kernel-doc
kernel-modules
kernel-abi-stablelists
python3-perf
kernel-modules-extra
kernel-debug-modules
kernel-debug-modules-extra
kernel-core
kernel-cross-headers
kernel-debug-core
python3-perf-debuginfo
bpftool-debuginfo
kernel-tools-debuginfo
kernel-source
kernel-debugsource
python2-perf
kernel-tools-devel
python2-perf-debuginfo
perf-debuginfo
kernel-debuginfo
kernel-modules-internal
linux-5.15.139/kernel-modules
linux-5.15.139/kernel-huge
linux-5.15.139/kernel-generic
linux-5.15.139/kernel-headers
linux (Debian package)

Install update from vendor's website.

IBM Spectrum Copy Data Management - update to 2.2.22.1
Red Hat OpenShift Container Platform - update to 4.14.2
OpenShift Logging - addressed in versions 5.7.10, 5.8.1
RecoverPoint for Virtual Machines - update to 6.0 SP2 P1
Juniper Secure Analytics (JSA) - addressed in versions 7.5.0 UP7 IF05, 7.5.0 UP8 IF03
SmartFabric OS10 - update to 10.5.4.11
IBM DataPower Gateway - update to 10.6.4.0
kpatch-patch-3_10_0-1160_102_1 (Red Hat package) - update to 1-1.el7
kpatch-patch-4_18_0-477_27_1 (Red Hat package) - update to 1-1.el8_8
kpatch-patch-5_14_0-284_30_1 (Red Hat package) - update to 1-1.el9_2
kpatch-patch-3_10_0-1160_99_1 (Red Hat package) - update to 1-2.el7
kpatch-patch-4_18_0-477_21_1 (Red Hat package) - update to 1-2.el8_8
kpatch-patch-3_10_0-1160_95_1 (Red Hat package) - update to 1-3.el7
kpatch-patch-4_18_0-477_13_1 (Red Hat package) - update to 1-3.el8_8
kpatch-patch-4_18_0-477_15_1 (Red Hat package) - update to 1-3.el8_8
kpatch-patch-3_10_0-1160_92_1 (Red Hat package) - update to 1-4.el7
kpatch-patch-3_10_0-1160_90_1 (Red Hat package) - update to 1-4.el7
kpatch-patch-4_18_0-477_10_1 (Red Hat package) - update to 1-4.el8_8
kpatch-patch-5_14_0-284_25_1 (Red Hat package) - update to 1-4.el9_2
kpatch-patch-5_14_0-284_18_1 (Red Hat package) - update to 1-5.el9_2
kpatch-patch-5_14_0-284_11_1 (Red Hat package) - update to 1-6.el9_2
Storage Defender – Data Protect - update to 2.0.1
Technical Support Appliance - update to 3.0.1
kernel (Red Hat package) - addressed in versions 3.10.0-957.109.1.el7, 3.10.0-1062.82.1.el7, 3.10.0-1160.105.1.el7, 4.18.0-477.36.1.el8_8, 4.18.0-513.5.1.el8_9, 5.14.0-362.8.1.el9_3
kernel-rt (Red Hat package) - addressed in versions 3.10.0-1160.105.1.rt56.1256.el7, 4.18.0-513.5.1.rt7.307.el8_9, 5.14.0-284.40.1.rt14.325.el9_2
kernel-tools-libs - addressed in versions 3.10.0-1160.105.1.0.1, 4.18.0-477.36.1.0.1, 4.18.0-513.18.1.0.1, 4.19.91-27.8, 4.19.91-28, 5.10.134-16
kernel-tools-libs-devel - addressed in versions 3.10.0-1160.105.1.0.1, 4.18.0-477.36.1.0.1, 4.18.0-513.18.1.0.1, 4.19.91-27.8, 4.19.91-28, 5.10.134-16
kernel-tools - addressed in versions 3.10.0-1160.105.1.0.1, 4.18.0-477.36.1.0.1, 4.18.0-513.18.1.0.1, 4.19.91-27.8, 4.19.91-28, 5.10.134-16
kernel-headers - addressed in versions 3.10.0-1160.105.1.0.1, 4.18.0-477.36.1.0.1, 4.18.0-513.18.1.0.1, 4.19.91-27.8, 4.19.91-28, 5.10.134-16
kernel-devel - addressed in versions 3.10.0-1160.105.1.0.1, 4.18.0-477.36.1.0.1, 4.18.0-513.18.1.0.1, 4.19.91-27.8, 4.19.91-28, 5.10.134-16
perf - addressed in versions 3.10.0-1160.105.1.0.1, 4.18.0-477.36.1.0.1, 4.18.0-513.18.1.0.1, 4.19.91-27.8, 4.19.91-28, 5.10.134-16
kernel-debug-devel - addressed in versions 3.10.0-1160.105.1.0.1, 4.18.0-477.36.1.0.1, 4.18.0-513.18.1.0.1, 4.19.91-27.8, 4.19.91-28, 5.10.134-16
kernel-debug - addressed in versions 3.10.0-1160.105.1.0.1, 4.18.0-477.36.1.0.1, 4.18.0-513.18.1.0.1, 4.19.91-27.8, 4.19.91-28, 5.10.134-16
kernel - addressed in versions 3.10.0-1160.105.1.0.1, 4.18.0-477.36.1.0.1, 4.18.0-513.18.1.0.1, 4.19.91-27.8, 4.19.91-28, 5.10.134-16
python-perf - addressed in versions 3.10.0-1160.105.1.0.1, 4.19.91-27.8, 4.19.91-28
bpftool - addressed in versions 3.10.0-1160.105.1.0.1, 4.18.0-477.36.1.0.1, 4.18.0-513.18.1.0.1, 4.19.91-27.8, 4.19.91-28, 5.10.134-16
kernel-abi-whitelists - update to 3.10.0-1160.105.1.0.1
kernel-doc - addressed in versions 3.10.0-1160.105.1.0.1, 4.18.0-477.36.1.0.1, 4.18.0-513.18.1.0.1
kernel - addressed in versions 4.14.326-171.539, 6.1.49-69.116
kernel-modules - addressed in versions 4.18.0-477.36.1.0.1, 4.18.0-513.18.1.0.1, 4.19.91-27.8, 4.19.91-28, 5.10.134-16
kernel-abi-stablelists - addressed in versions 4.18.0-477.36.1.0.1, 4.18.0-513.18.1.0.1
python3-perf - addressed in versions 4.18.0-477.36.1.0.1, 4.18.0-513.18.1.0.1, 4.19.91-27.8, 4.19.91-28, 5.10.134-16
kernel-modules-extra - addressed in versions 4.18.0-477.36.1.0.1, 4.18.0-513.18.1.0.1, 4.19.91-27.8, 4.19.91-28, 5.10.134-16
kernel-debug-modules - addressed in versions 4.18.0-477.36.1.0.1, 4.18.0-513.18.1.0.1, 4.19.91-27.8, 4.19.91-28, 5.10.134-16
kernel-debug-modules-extra - addressed in versions 4.18.0-477.36.1.0.1, 4.18.0-513.18.1.0.1, 4.19.91-27.8, 4.19.91-28, 5.10.134-16
kernel-core - addressed in versions 4.18.0-477.36.1.0.1, 4.18.0-513.18.1.0.1, 4.19.91-27.8, 4.19.91-28, 5.10.134-16
kernel-cross-headers - addressed in versions 4.18.0-477.36.1.0.1, 4.18.0-513.18.1.0.1
kernel-debug-core - addressed in versions 4.18.0-477.36.1.0.1, 4.18.0-513.18.1.0.1, 4.19.91-27.8, 4.19.91-28, 5.10.134-16
python3-perf-debuginfo - addressed in versions 4.19.90-2309.3.0.0218, 5.10.0-60.111.0.138, 5.10.0-136.49.0.127, 5.10.0-153.27.0.103
kernel - addressed in versions 4.19.90-2309.3.0.0218, 5.10.0-60.111.0.138, 5.10.0-136.49.0.127, 5.10.0-153.27.0.103
bpftool-debuginfo - addressed in versions 4.19.90-2309.3.0.0218, 5.10.0-60.111.0.138, 5.10.0-136.49.0.127, 5.10.0-153.27.0.103
kernel-tools-debuginfo - addressed in versions 4.19.90-2309.3.0.0218, 5.10.0-60.111.0.138, 5.10.0-136.49.0.127, 5.10.0-153.27.0.103
kernel-devel - addressed in versions 4.19.90-2309.3.0.0218, 5.10.0-60.111.0.138, 5.10.0-136.49.0.127, 5.10.0-153.27.0.103
kernel-source - addressed in versions 4.19.90-2309.3.0.0218, 5.10.0-60.111.0.138, 5.10.0-136.49.0.127, 5.10.0-153.27.0.103
kernel-debugsource - addressed in versions 4.19.90-2309.3.0.0218, 5.10.0-60.111.0.138, 5.10.0-136.49.0.127, 5.10.0-153.27.0.103
bpftool - addressed in versions 4.19.90-2309.3.0.0218, 5.10.0-60.111.0.138, 5.10.0-136.49.0.127, 5.10.0-153.27.0.103
python2-perf - update to 4.19.90-2309.3.0.0218
kernel-tools-devel - addressed in versions 4.19.90-2309.3.0.0218, 5.10.0-60.111.0.138, 5.10.0-136.49.0.127, 5.10.0-153.27.0.103
python2-perf-debuginfo - update to 4.19.90-2309.3.0.0218
kernel-tools - addressed in versions 4.19.90-2309.3.0.0218, 5.10.0-60.111.0.138, 5.10.0-136.49.0.127, 5.10.0-153.27.0.103
perf - addressed in versions 4.19.90-2309.3.0.0218, 5.10.0-60.111.0.138, 5.10.0-136.49.0.127, 5.10.0-153.27.0.103
perf-debuginfo - addressed in versions 4.19.90-2309.3.0.0218, 5.10.0-60.111.0.138, 5.10.0-136.49.0.127, 5.10.0-153.27.0.103
kernel-debuginfo - addressed in versions 4.19.90-2309.3.0.0218, 5.10.0-60.111.0.138, 5.10.0-136.49.0.127, 5.10.0-153.27.0.103
python3-perf - addressed in versions 4.19.90-2309.3.0.0218, 5.10.0-60.111.0.138, 5.10.0-136.49.0.127, 5.10.0-153.27.0.103
kernel-modules-internal - addressed in versions 4.19.91-27.8, 4.19.91-28
kernel-headers - addressed in versions 5.10.0-60.111.0.138, 5.10.0-136.49.0.127, 5.10.0-153.27.0.103
linux-5.15.139/kernel-modules - update to 5.15.139
linux-5.15.139/kernel-huge - update to 5.15.139
linux-5.15.139/kernel-generic - update to 5.15.139
linux-5.15.139/kernel-headers - update to 5.15.139_smp
linux (Debian package) - update to 6.1.52-1
Session Smart Router - addressed in versions 6.2.10, 6.3.7
XtremIO X2 - update to 6.4.2-13
IBM Qradar SIEM - update to 7.5.0 Update Pack 7 IF05
IBM Security Verify Governance - update to 10.0.2.0.4
Storage Protect Plus Server - update to 10.1.16.1

• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=76e42ae831991c828cffa8c37736ebfb831ad5ec
• https://kernel.dance/76e42ae831991c828cffa8c37736ebfb831ad5ec
• https://www.debian.org/security/2023/dsa-5492

• Use-after-free in Linux kernel packet scheduler
• Debian update for linux
• Amazon Linux AMI update for kernel
• Red Hat Enterprise Linux 9 update for kernel
• Multiple vulnerabilities in Oracle Linux
• Slackware Linux update for kernel
• Red Hat Enterprise Linux 9.2 Extended Update Support update for kernel-rt
• Red Hat Enterprise Linux 9.2 Extended Update Support update for kpatch-patch
• Red Hat Enterprise Linux 7 update for kpatch-patch
• Red Hat Enterprise Linux 7 update for kernel
• Red Hat Enterprise Linux 7 update for kernel-rt
• Multiple vulnerabilities in Red Hat OpenShift Container Platform 4.14
• Red Hat Enterprise Linux 8 update for kernel-rt
• Red Hat Enterprise Linux 8 update for kernel
• Red Hat Enterprise Linux 8.8 Extended Update Support update for kernel
• Red Hat Enterprise Linux 8.8 Extended Update Support update for kpatch-patch
• Multiple vulnerabilities in IBM Cloud Pak for Watson AIOps
• Multiple vulnerabilities in Logging Subsystem 5.8 for Red Hat OpenShift
• CentOS 7 update for kernel
• Multiple vulnerabilities in IBM Spectrum Copy Data Management
• Red Hat Enterprise Linux 7.6 Advanced Update Support update for kernel
• Red Hat Enterprise Linux 7.7 Advanced Update Support update for kernel
• Multiple vulnerabilities in Logging Subsystem 5.7 for Red Hat OpenShift
• Multiple vulnerabilities in IBM Security Guardium
• Multiple vulnerabilities in IBM Storage Defender - Data Protect
• Multiple vulnerabilities in IBM QRadar SIEM
• Multiple vulnerabilities in Juniper Secure Analytics (JSA)
• openEuler 22.03 LTS update for kernel
• openEuler 22.03 LTS SP1 update for kernel
• openEuler 22.03 LTS SP2 update for kernel
• openEuler 20.03 LTS SP1 update for kernel
• openEuler 20.03 LTS SP3 update for kernel
• Multiple vulnerabilities in IBM Storage Protect Plus Server
• Multiple vulnerabilities in Juniper Secure Analytics (JSA)
• Multiple vulnerabilities in Dell SmartFabric OS10
• Multiple vulnerabilities in IBM Security Verify Governance - Identity Manager
• Multiple vulnerabilities in IBM Technical Support Appliance
• Multiple vulnerabilities in Dell XtremIO X2
• Amazon Linux AMI update for kernel
• Anolis OS update for kernel
• Anolis OS update for kernel
• Anolis OS update for kernel
• Anolis OS update for kernel
• Anolis OS update for kernel
• Anolis OS update for kernel
• Anolis OS update for kernel
• Anolis OS update for kernel
• Anolis OS update for kernel
• Dell RecoverPoint for Virtual Machines update for third-party components
• Multiple vulnerabilities in IBM DataPower Gateway
• Juniper Session Smart Router update for third-party components