Improper locking in Linux kernel - CVE-2024-26686

Vulnerability identifier: #VU91530

CSH Severity: Low

CVSS v4 BT: 4.3 [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/E:U/U:Clear]

CVE-ID: CVE-2024-26686

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 do_task_stat() function in fs/proc/array.c. A local user can perform a denial of service (DoS) attack.

Linux kernel
Debian Linux
Anolis OS
Red Hat Enterprise Linux for Real Time for NFV
Red Hat Enterprise Linux for Real Time
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
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux Server - TUS
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux for x86_64 - Extended Update Support
openEuler
Ubuntu
Technical Support Appliance
Robotic Process Automation for Cloud Pak
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
kernel (Red Hat package)
kernel-rt (Red Hat package)
kernel-debug
kernel-debug-modules
kernel-debug-devel
kernel-debug-core
kernel-doc
kernel-cross-headers
kernel-core
kernel
bpftool
kernel-devel
kernel-abi-stablelists
python3-perf
perf
kernel-tools-libs-devel
kernel-tools-libs
kernel-tools
kernel-modules-extra
kernel-modules
kernel-headers
kernel-debug-modules-extra
perf-debuginfo
kernel-tools-debuginfo
kernel-source
kernel-debuginfo
python3-perf-debuginfo
bpftool-debuginfo
kernel-tools-devel
python2-perf
python2-perf-debuginfo
kernel-debugsource
linux-aws-fips (Ubuntu package)
linux (Ubuntu package)
linux-xilinx-zynqmp (Ubuntu package)
linux-intel-iot-realtime (Ubuntu package)
linux-raspi (Ubuntu package)
linux-intel-iotg-5.15 (Ubuntu package)
linux-kvm (Ubuntu package)
linux-azure-fips (Ubuntu package)
linux-azure (Ubuntu package)
linux-azure-5.15 (Ubuntu package)
linux (Debian package)
Red Hat OpenShift Container Platform
IBM Qradar SIEM
IBM Security Guardium

Install update from vendor's website.

Linux kernel - addressed in versions 5.10.237, 5.15.181, 6.1.82, 6.6.64, 6.7.6, 6.8
Technical Support Appliance - update to 3.0.1
Red Hat OpenShift Container Platform - addressed in versions 4.12.68, 4.13.48, 4.13.53, 4.14.40, 4.15.28, 4.16.25, 4.17.7
kernel (Red Hat package) - addressed in versions 4.18.0-372.124.1.el8_6, 4.18.0-477.67.1.el8_8, 4.18.0-553.16.1.el8_10, 5.14.0-284.90.1.el9_2, 5.14.0-427.47.1.el9_4
kernel-rt (Red Hat package) - addressed in versions 4.18.0-553.16.1.rt7.357.el8_10, 5.14.0-284.90.1.rt14.375.el9_2
kernel-debug - update to 4.18.0-553.16.1.0.1
kernel-debug-modules - update to 4.18.0-553.16.1.0.1
kernel-debug-devel - update to 4.18.0-553.16.1.0.1
kernel-debug-core - update to 4.18.0-553.16.1.0.1
kernel-doc - update to 4.18.0-553.16.1.0.1
kernel-cross-headers - update to 4.18.0-553.16.1.0.1
kernel-core - update to 4.18.0-553.16.1.0.1
kernel - update to 4.18.0-553.16.1.0.1
bpftool - update to 4.18.0-553.16.1.0.1
kernel-devel - update to 4.18.0-553.16.1.0.1
kernel-abi-stablelists - update to 4.18.0-553.16.1.0.1
python3-perf - update to 4.18.0-553.16.1.0.1
perf - update to 4.18.0-553.16.1.0.1
kernel-tools-libs-devel - update to 4.18.0-553.16.1.0.1
kernel-tools-libs - update to 4.18.0-553.16.1.0.1
kernel-tools - update to 4.18.0-553.16.1.0.1
kernel-modules-extra - update to 4.18.0-553.16.1.0.1
kernel-modules - update to 4.18.0-553.16.1.0.1
kernel-headers - update to 4.18.0-553.16.1.0.1
kernel-debug-modules-extra - update to 4.18.0-553.16.1.0.1
perf-debuginfo - addressed in versions 4.19.90-2405.3.0.0249, 4.19.90-2405.3.0.0276, 5.10.0-60.138.0.165, 5.10.0-136.76.0.156, 5.10.0-153.55.0.133, 5.10.0-200.0.0.113
kernel - addressed in versions 4.19.90-2405.3.0.0249, 4.19.90-2405.3.0.0276, 5.10.0-60.138.0.165, 5.10.0-136.76.0.156, 5.10.0-153.55.0.133, 5.10.0-200.0.0.113
perf - addressed in versions 4.19.90-2405.3.0.0249, 4.19.90-2405.3.0.0276, 5.10.0-60.138.0.165, 5.10.0-136.76.0.156, 5.10.0-153.55.0.133, 5.10.0-200.0.0.113
kernel-tools-debuginfo - addressed in versions 4.19.90-2405.3.0.0249, 4.19.90-2405.3.0.0276, 5.10.0-60.138.0.165, 5.10.0-136.76.0.156, 5.10.0-153.55.0.133, 5.10.0-200.0.0.113
kernel-source - addressed in versions 4.19.90-2405.3.0.0249, 4.19.90-2405.3.0.0276, 5.10.0-60.138.0.165, 5.10.0-136.76.0.156, 5.10.0-153.55.0.133, 5.10.0-200.0.0.113
kernel-debuginfo - addressed in versions 4.19.90-2405.3.0.0249, 4.19.90-2405.3.0.0276, 5.10.0-60.138.0.165, 5.10.0-136.76.0.156, 5.10.0-153.55.0.133, 5.10.0-200.0.0.113
python3-perf - addressed in versions 4.19.90-2405.3.0.0249, 4.19.90-2405.3.0.0276, 5.10.0-60.138.0.165, 5.10.0-136.76.0.156, 5.10.0-153.55.0.133, 5.10.0-200.0.0.113
python3-perf-debuginfo - addressed in versions 4.19.90-2405.3.0.0249, 4.19.90-2405.3.0.0276, 5.10.0-60.138.0.165, 5.10.0-136.76.0.156, 5.10.0-153.55.0.133, 5.10.0-200.0.0.113
bpftool-debuginfo - addressed in versions 4.19.90-2405.3.0.0249, 4.19.90-2405.3.0.0276, 5.10.0-60.138.0.165
kernel-devel - addressed in versions 4.19.90-2405.3.0.0249, 4.19.90-2405.3.0.0276, 5.10.0-60.138.0.165, 5.10.0-136.76.0.156, 5.10.0-153.55.0.133, 5.10.0-200.0.0.113
kernel-tools-devel - addressed in versions 4.19.90-2405.3.0.0249, 4.19.90-2405.3.0.0276, 5.10.0-60.138.0.165, 5.10.0-136.76.0.156, 5.10.0-153.55.0.133, 5.10.0-200.0.0.113
python2-perf - addressed in versions 4.19.90-2405.3.0.0249, 4.19.90-2405.3.0.0276
python2-perf-debuginfo - addressed in versions 4.19.90-2405.3.0.0249, 4.19.90-2405.3.0.0276
kernel-tools - addressed in versions 4.19.90-2405.3.0.0249, 4.19.90-2405.3.0.0276, 5.10.0-60.138.0.165, 5.10.0-136.76.0.156, 5.10.0-153.55.0.133, 5.10.0-200.0.0.113
kernel-debugsource - addressed in versions 4.19.90-2405.3.0.0249, 4.19.90-2405.3.0.0276, 5.10.0-60.138.0.165, 5.10.0-136.76.0.156, 5.10.0-153.55.0.133, 5.10.0-200.0.0.113
bpftool - addressed in versions 4.19.90-2405.3.0.0249, 4.19.90-2405.3.0.0276, 5.10.0-60.138.0.165
kernel-headers - addressed in versions 5.10.0-60.138.0.165, 5.10.0-136.76.0.156, 5.10.0-153.55.0.133, 5.10.0-200.0.0.113
linux-aws-fips (Ubuntu package) - addressed in versions 5.15.0.144.84, 5.15.0-144.157+fips1, 5.15.0.1087.77, 5.15.0-1087.96+fips1, 5.15.0.1088.84, 5.15.0-1088.95+fips1
linux (Ubuntu package) - addressed in versions 5.15.0.144.130, 5.15.0.144.141, 5.15.0-144.157, 5.15.0-144.157~20.04.1, 5.15.0.144.157~20.04.1, 5.15.0-1030.30, 5.15.0.1030.32, 5.15.0.1041.41, 5.15.0-1041.41, 5.15.0-1041.41~20.04.1, 5.15.0.1041.41~20.04.1, 5.15.0.1070.69, 5.15.0-1070.78, 5.15.0.1080.76, 5.15.0-1080.83, 5.15.0.1080.83~20.04.1, 5.15.0-1080.83~20.04.1, 5.15.0.1082.82, 5.15.0-1082.83, 5.15.0.1083.83, 5.15.0-1083.89, 5.15.0.1085.81, 5.15.0.1085.84, 5.15.0-1085.91, 5.15.0.1085.91~20.04.3, 5.15.0-1085.91~20.04.3, 5.15.0.1087.83, 5.15.0-1087.96, 5.15.0.1087.96~20.04.1, 5.15.0-1087.96~20.04.2, 5.15.0.1088.91, 5.15.0-1088.95, 5.15.0-1088.95~20.04.1, 5.15.0.1088.95~20.04.1
linux-xilinx-zynqmp (Ubuntu package) - addressed in versions 5.15.0.1052.55, 5.15.0-1052.56
linux-intel-iot-realtime (Ubuntu package) - addressed in versions 5.15.0-1081.83, 5.15.0.1081.85, 5.15.0.1088.92, 5.15.0-1088.97
linux-raspi (Ubuntu package) - addressed in versions 5.15.0.1083.81, 5.15.0-1083.86
linux-intel-iotg-5.15 (Ubuntu package) - addressed in versions 5.15.0.1083.89~20.04.1, 5.15.0-1083.89~20.04.1
linux-kvm (Ubuntu package) - addressed in versions 5.15.0.1084.80, 5.15.0-1084.89
linux-azure-fips (Ubuntu package) - addressed in versions 5.15.0.1094.79, 5.15.0-1094.103+fips1
linux-azure (Ubuntu package) - addressed in versions 5.15.0.1094.92, 5.15.0-1094.103
linux-azure-5.15 (Ubuntu package) - addressed in versions 5.15.0-1094.103~20.04.1, 5.15.0.1094.103~20.04.1
linux (Debian package) - update to 6.1.85-1
IBM Qradar SIEM - update to 7.5.0 Update Pack 10 IF01
IBM Security Guardium - addressed in versions 12.0p31, 12.0p106
Robotic Process Automation for Cloud Pak - addressed in versions 21.0.7.18, 23.0.19

• https://git.kernel.org/stable/c/cf4b8c39b9a0bd81c47afc7ef62914a62dd5ec4d
• https://git.kernel.org/stable/c/27978243f165b44e342f28f449b91327944ea071
• https://git.kernel.org/stable/c/7601df8031fd67310af891897ef6cc0df4209305
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.237
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.181
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.82
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.64
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.6
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8

• Improper locking in Linux kernel proc
• openEuler 22.03 LTS SP3 update for kernel
• openEuler 20.03 LTS SP1 update for kernel
• openEuler 20.03 LTS SP4 update for kernel
• openEuler 22.03 LTS update for kernel
• openEuler 22.03 LTS SP1 update for kernel
• openEuler 22.03 LTS SP2 update for kernel
• Debian update for linux
• Red Hat Enterprise Linux 8 update for kernel
• Red Hat Enterprise Linux 8 update for kernel-rt
• Red Hat Enterprise Linux 8 update for kernel
• Multiple vulnerabilities in Red Hat OpenShift Container Platform 4.15 packages
• Multiple vulnerabilities in Red Hat OpenShift Container Platform 4.15
• Multiple vulnerabilities in Red Hat OpenShift Container Platform 4.13
• Red Hat Enterprise Linux 8 update for kernel
• Red Hat Enterprise Linux 9 update for kernel
• Red Hat Enterprise Linux 9 update for kernel-rt
• Multiple vulnerabilities in IBM QRadar SIEM
• Multiple vulnerabilities in Red Hat OpenShift Container Platform 4.13
• Multiple vulnerabilities in Red Hat OpenShift Container Platform 4.12
• Multiple vulnerabilities in Red Hat OpenShift Container Platform 4.14
• Multiple vulnerabilities in Red Hat OpenShift Container Platform 4.17
• Multiple vulnerabilities in IBM Robotic Process Automation for Cloud Pak
• Red Hat Enterprise Linux 9 update for kernel
• Multiple vulnerabilities in Red Hat OpenShift Container Platform 4.16
• Multiple vulnerabilities in IBM Technical Support Appliance
• Multiple vulnerabilities in IBM Security Guardium
• Anolis OS update for kernel
• Ubuntu update for linux-aws-fips
• Ubuntu update for linux-intel-iot-realtime
• Ubuntu update for linux
• Ubuntu update for linux-intel-iotg-5.15
• Ubuntu update for linux-kvm
• Ubuntu update for linux-xilinx-zynqmp
• Ubuntu update for linux-azure
• Ubuntu update for linux-azure-fips
• Ubuntu update for linux-raspi
• Ubuntu update for linux-azure-5.15