Out-of-bounds read in Linux kernel - CVE-2022-49961

Vulnerability identifier: #VU111485

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-2022-49961

CWE-ID: CWE-125

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 an out-of-bounds read error within the mark_chain_precision() function in kernel/bpf/verifier.c. A local user can perform a denial of service (DoS) attack.

Linux kernel
Ubuntu
openEuler
python3-perf-debuginfo
python3-perf
perf-debuginfo
perf
kernel-tools-devel
kernel-tools-debuginfo
kernel-tools
kernel-source
kernel-headers
kernel-devel
kernel-debugsource
kernel-debuginfo
kernel
bpftool
bpftool-debuginfo
linux (Ubuntu package)
linux-aws (Ubuntu package)
linux-nvidia-tegra (Ubuntu package)
linux-nvidia-tegra-5.15 (Ubuntu package)
linux-intel-iot-realtime (Ubuntu package)
linux-ibm-5.15 (Ubuntu package)
linux-intel-iotg (Ubuntu package)
linux-azure (Ubuntu package)
linux-azure-5.15 (Ubuntu package)
linux-azure-fips (Ubuntu package)
linux-azure-fde (Ubuntu package)

Install update from vendor's repository.

Linux kernel - addressed in versions 5.19.8, 6.0
python3-perf-debuginfo - addressed in versions 5.10.0-274.0.0.176, 5.10.0-274.0.0.177
python3-perf - addressed in versions 5.10.0-274.0.0.176, 5.10.0-274.0.0.177
perf-debuginfo - addressed in versions 5.10.0-274.0.0.176, 5.10.0-274.0.0.177
perf - addressed in versions 5.10.0-274.0.0.176, 5.10.0-274.0.0.177
kernel-tools-devel - addressed in versions 5.10.0-274.0.0.176, 5.10.0-274.0.0.177
kernel-tools-debuginfo - addressed in versions 5.10.0-274.0.0.176, 5.10.0-274.0.0.177
kernel-tools - addressed in versions 5.10.0-274.0.0.176, 5.10.0-274.0.0.177
kernel-source - addressed in versions 5.10.0-274.0.0.176, 5.10.0-274.0.0.177
kernel-headers - addressed in versions 5.10.0-274.0.0.176, 5.10.0-274.0.0.177
kernel-devel - addressed in versions 5.10.0-274.0.0.176, 5.10.0-274.0.0.177
kernel-debugsource - addressed in versions 5.10.0-274.0.0.176, 5.10.0-274.0.0.177
kernel-debuginfo - addressed in versions 5.10.0-274.0.0.176, 5.10.0-274.0.0.177
kernel - addressed in versions 5.10.0-274.0.0.176, 5.10.0-274.0.0.177
bpftool - update to 5.10.0-274.0.0.177
bpftool-debuginfo - update to 5.10.0-274.0.0.177
linux (Ubuntu package) - addressed in versions 5.15.0.184.155, 5.15.0-184.194, 5.15.0-184.194~20.04.1, 5.15.0.186.166, 5.15.0-186.196, 5.15.0-186.196~20.04.1, 5.15.0.1075.78, 5.15.0-1075.79, 5.15.0.1095.94, 5.15.0-1095.103, 5.15.0.1104.100, 5.15.0-1104.109, 5.15.0.1108.107, 5.15.0-1108.114, 5.15.0.1111.115, 5.15.0-1111.120+fips1, 5.15.0.1112.102, 5.15.0.1112.109, 5.15.0-1112.122, 5.15.0-1112.122+fips1
linux-aws (Ubuntu package) - addressed in versions 5.15.0.186.109, 5.15.0-186.196+fips1, 5.15.0.1106.103, 5.15.0-1106.110, 5.15.0.1107.107, 5.15.0-1107.108, 5.15.0.1112.108, 5.15.0.1112.115, 5.15.0-1112.119, 5.15.0-1112.119+fips1, 5.15.0-1112.119~20.04.1
linux-nvidia-tegra (Ubuntu package) - addressed in versions 5.15.0-1053.53, 5.15.0.1053.55, 5.15.0.1064.64, 5.15.0-1064.66
linux-nvidia-tegra-5.15 (Ubuntu package) - update to 5.15.0-1064.66~20.04.1
linux-intel-iot-realtime (Ubuntu package) - addressed in versions 5.15.0-1104.106, 5.15.0.1104.108, 5.15.0-1107.113~20.04.1
linux-ibm-5.15 (Ubuntu package) - update to 5.15.0-1106.110~20.04.1
linux-intel-iotg (Ubuntu package) - addressed in versions 5.15.0.1107.106, 5.15.0-1107.113
linux-azure (Ubuntu package) - addressed in versions 5.15.0.1109.105, 5.15.0-1109.115, 5.15.0.1117.115, 5.15.0-1117.126
linux-azure-5.15 (Ubuntu package) - addressed in versions 5.15.0-1109.115~20.04.1, 5.15.0-1117.126~20.04.1, 5.15.0-1117.126~20.04.2
linux-azure-fips (Ubuntu package) - addressed in versions 5.15.0.1117.102, 5.15.0-1117.126+fips1
linux-azure-fde (Ubuntu package) - update to 5.15.0-1117.126

• https://git.kernel.org/stable/c/2459615a8d7f44ac81f0965bc094e55ccb254717
• https://git.kernel.org/stable/c/2fc31465c5373b5ca4edf2e5238558cb62902311
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.8
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0

• Out-of-bounds read in Linux kernel bpf
• openEuler 22.03 LTS SP4 update for kernel
• openEuler 22.03 LTS SP3 update for kernel
• Ubuntu update for linux-nvidia-tegra-5.15
• Ubuntu update for linux
• Ubuntu update for linux-ibm-5.15
• Ubuntu update for linux-nvidia-tegra
• Ubuntu update for linux-aws
• Ubuntu update for linux-azure-fde
• Ubuntu update for linux-azure
• Ubuntu update for linux-azure-5.15
• Ubuntu update for linux-azure-fips
• Ubuntu update for linux-intel-iot-realtime
• Ubuntu update for linux-intel-iotg