Use-after-free in Linux kernel - CVE-2022-1204

Vulnerability identifier: #VU63791

CSH Severity: Low

CVSS v4: 8.5 [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]

CVE-ID: CVE-2022-1204

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 in the Linux kernel’s Amateur Radio AX.25 protocol functionality when user connects with the protocol. A local user can trigger use-after-free error to perform a denial of service attack or escalate privileges on the system.

Linux kernel
Debian Linux
Ubuntu
Slackware Linux
openEuler
Fedora
linux-image-4.4.0-1113-aws (Ubuntu package)
linux-image-aws (Ubuntu package)
linux-image-4.4.0-234-lowlatency (Ubuntu package)
linux-image-4.4.0-234-generic (Ubuntu package)
linux-image-4.4.0-1114-kvm (Ubuntu package)
linux-image-4.4.0-1151-aws (Ubuntu package)
linux-image-kvm (Ubuntu package)
linux-image-lowlatency (Ubuntu package)
linux-image-generic-lts-xenial (Ubuntu package)
linux-image-lowlatency-lts-xenial (Ubuntu package)
linux-image-virtual-lts-xenial (Ubuntu package)
linux-image-generic (Ubuntu package)
linux-image-virtual (Ubuntu package)
linux-image-generic-hwe-16.04 (Ubuntu package)
linux-image-lowlatency-hwe-16.04 (Ubuntu package)
linux-image-virtual-hwe-16.04 (Ubuntu package)
linux-image-generic-lpae (Ubuntu package)
linux-image-4.15.0-189-generic-lpae (Ubuntu package)
linux-image-4.15.0-189-generic (Ubuntu package)
linux-image-4.15.0-189-lowlatency (Ubuntu package)
linux-image-aws-hwe (Ubuntu package)
linux-image-oracle-lts-18.04 (Ubuntu package)
linux-image-4.15.0-1102-oracle (Ubuntu package)
linux-image-raspi2 (Ubuntu package)
linux-image-4.15.0-1115-raspi2 (Ubuntu package)
linux-image-4.15.0-1123-kvm (Ubuntu package)
linux-image-4.15.0-1131-gcp (Ubuntu package)
linux-image-gcp-lts-18.04 (Ubuntu package)
linux-image-snapdragon (Ubuntu package)
linux-image-4.15.0-1133-snapdragon (Ubuntu package)
linux-image-aws-lts-18.04 (Ubuntu package)
linux-image-4.15.0-1137-aws (Ubuntu package)
linux-image-azure-lts-18.04 (Ubuntu package)
linux-image-azure (Ubuntu package)
linux-image-4.15.0-1146-azure (Ubuntu package)
python3-perf-debuginfo
kernel-source
kernel-tools-devel
bpftool
kernel
python2-perf
python2-perf-debuginfo
kernel-devel
kernel-debuginfo
kernel-debugsource
kernel-tools-debuginfo
python3-perf
bpftool-debuginfo
perf
kernel-tools
perf-debuginfo
linux (Debian package)
linux-image-oem-osp1 (Ubuntu package)
linux-image-oem (Ubuntu package)
linux-image-5.4.0-122-lowlatency (Ubuntu package)
linux-image-5.4.0-122-generic-lpae (Ubuntu package)
linux-image-5.4.0-122-generic (Ubuntu package)
linux-image-generic-hwe-18.04 (Ubuntu package)
linux-image-snapdragon-hwe-18.04 (Ubuntu package)
linux-image-generic-lpae-hwe-18.04 (Ubuntu package)
linux-image-virtual-hwe-18.04 (Ubuntu package)
linux-image-lowlatency-hwe-18.04 (Ubuntu package)
linux-image-5.4.0-1029-ibm (Ubuntu package)
linux-image-ibm (Ubuntu package)
linux-image-ibm-lts-20.04 (Ubuntu package)
linux-image-bluefield (Ubuntu package)
linux-image-5.4.0-1042-bluefield (Ubuntu package)
linux-image-gkeop (Ubuntu package)
linux-image-gkeop-5.4 (Ubuntu package)
linux-image-5.4.0-1049-gkeop (Ubuntu package)
linux-image-5.4.0-1071-kvm (Ubuntu package)
linux-image-5.4.0-1078-gke (Ubuntu package)
linux-image-gke-5.4 (Ubuntu package)
linux-image-gke (Ubuntu package)
linux-image-aws-lts-20.04 (Ubuntu package)
linux-image-5.4.0-1081-aws (Ubuntu package)
linux-image-gcp (Ubuntu package)
linux-image-5.4.0-1084-gcp (Ubuntu package)
linux-image-azure-lts-20.04 (Ubuntu package)
linux-image-5.4.0-1086-azure-fde (Ubuntu package)
linux-image-azure-fde (Ubuntu package)
linux-image-5.4.0-1086-azure (Ubuntu package)
linux-image-lowlatency-64k (Ubuntu package)
linux-image-lowlatency-hwe-22.04 (Ubuntu package)
linux-image-lowlatency-64k-hwe-22.04 (Ubuntu package)
linux-image-virtual-hwe-22.04 (Ubuntu package)
linux-image-oem-20.04 (Ubuntu package)
linux-image-generic-64k (Ubuntu package)
linux-image-generic-lpae-hwe-22.04 (Ubuntu package)
linux-image-generic-hwe-22.04 (Ubuntu package)
linux-image-gke-5.15 (Ubuntu package)
linux-image-oracle (Ubuntu package)
linux-image-raspi (Ubuntu package)
linux-image-raspi-nolpae (Ubuntu package)
linux-5.15.38/kernel-huge
linux-5.15.38/kernel-generic
linux-5.15.38/kernel-headers
linux-5.15.38/kernel-modules
kernel-headers
linux-image-5.15.0-37-lowlatency (Ubuntu package)
linux-image-5.15.0-37-generic-lpae (Ubuntu package)
linux-image-5.15.0-37-generic-64k (Ubuntu package)
linux-image-5.15.0-37-lowlatency-64k (Ubuntu package)
linux-image-5.15.0-37-generic (Ubuntu package)
linux-image-5.15.0-1007-ibm (Ubuntu package)
linux-image-intel-iotg (Ubuntu package)
linux-image-5.15.0-1008-gke (Ubuntu package)
linux-image-5.15.0-1008-intel-iotg (Ubuntu package)
linux-image-5.15.0-1008-gcp (Ubuntu package)
linux-image-5.15.0-1009-oracle (Ubuntu package)
linux-image-5.15.0-1010-kvm (Ubuntu package)
linux-image-5.15.0-1010-azure (Ubuntu package)
linux-image-5.15.0-1011-raspi (Ubuntu package)
linux-image-5.15.0-1011-raspi-nolpae (Ubuntu package)
linux-image-5.15.0-1011-aws (Ubuntu package)

Install updates from vendor's website.

linux-image-4.4.0-1113-aws (Ubuntu package) - update to 4.4.0.234.240
linux-image-aws (Ubuntu package) - addressed in versions 4.4.0.234.240, 5.15.0.1011.12
linux-image-4.4.0-234-lowlatency (Ubuntu package) - update to 4.4.0.234.240
linux-image-4.4.0-234-generic (Ubuntu package) - update to 4.4.0.234.240
linux-image-4.4.0-1114-kvm (Ubuntu package) - update to 4.4.0.234.240
linux-image-4.4.0-1151-aws (Ubuntu package) - update to 4.4.0.234.240
linux-image-kvm (Ubuntu package) - addressed in versions 4.4.0.234.240, 4.15.0.1123.116, 5.4.0.1071.68, 5.15.0.1010.9
linux-image-lowlatency (Ubuntu package) - addressed in versions 4.4.0.234.240, 4.15.0.189.174, 5.4.0.122.123, 5.15.0.37.37
linux-image-generic-lts-xenial (Ubuntu package) - update to 4.4.0.234.240
linux-image-lowlatency-lts-xenial (Ubuntu package) - update to 4.4.0.234.240
linux-image-virtual-lts-xenial (Ubuntu package) - update to 4.4.0.234.240
linux-image-generic (Ubuntu package) - addressed in versions 4.4.0.234.240, 4.15.0.189.174, 5.4.0.122.123, 5.15.0.37.39
linux-image-virtual (Ubuntu package) - addressed in versions 4.4.0.234.240, 4.15.0.189.174, 5.4.0.122.123, 5.15.0.37.39
linux-image-generic-hwe-16.04 (Ubuntu package) - update to 4.15.0.189.174
linux-image-lowlatency-hwe-16.04 (Ubuntu package) - update to 4.15.0.189.174
linux-image-virtual-hwe-16.04 (Ubuntu package) - update to 4.15.0.189.174
linux-image-generic-lpae (Ubuntu package) - addressed in versions 4.15.0.189.174, 5.4.0.122.123, 5.15.0.37.39
linux-image-4.15.0-189-generic-lpae (Ubuntu package) - update to 4.15.0-189.200
linux-image-4.15.0-189-generic (Ubuntu package) - update to 4.15.0-189.200
linux-image-4.15.0-189-lowlatency (Ubuntu package) - update to 4.15.0-189.200
linux-image-aws-hwe (Ubuntu package) - update to 4.15.0.1099.92
linux-image-oracle-lts-18.04 (Ubuntu package) - update to 4.15.0.1102.109
linux-image-4.15.0-1102-oracle (Ubuntu package) - update to 4.15.0-1102.113
linux-image-raspi2 (Ubuntu package) - update to 4.15.0.1115.112
linux-image-4.15.0-1115-raspi2 (Ubuntu package) - update to 4.15.0-1115.123
linux-image-4.15.0-1123-kvm (Ubuntu package) - update to 4.15.0-1123.128
linux-image-4.15.0-1131-gcp (Ubuntu package) - update to 4.15.0-1131.147
linux-image-gcp-lts-18.04 (Ubuntu package) - update to 4.15.0.1131.147
linux-image-snapdragon (Ubuntu package) - update to 4.15.0.1133.134
linux-image-4.15.0-1133-snapdragon (Ubuntu package) - update to 4.15.0-1133.143
linux-image-aws-lts-18.04 (Ubuntu package) - update to 4.15.0.1137.137
linux-image-4.15.0-1137-aws (Ubuntu package) - update to 4.15.0-1137.148
linux-image-azure-lts-18.04 (Ubuntu package) - update to 4.15.0.1146.116
linux-image-azure (Ubuntu package) - addressed in versions 4.15.0.1146.133, 5.4.0.1086.63, 5.15.0.1010.10
linux-image-4.15.0-1146-azure (Ubuntu package) - addressed in versions 4.15.0.1146.133, 4.15.0-1146.161
python3-perf-debuginfo - update to 4.19.90-2206.1.0.0153
kernel-source - update to 4.19.90-2206.1.0.0153
kernel-tools-devel - update to 4.19.90-2206.1.0.0153
bpftool - update to 4.19.90-2206.1.0.0153
kernel - update to 4.19.90-2206.1.0.0153
python2-perf - update to 4.19.90-2206.1.0.0153
python2-perf-debuginfo - update to 4.19.90-2206.1.0.0153
kernel-devel - update to 4.19.90-2206.1.0.0153
kernel-debuginfo - update to 4.19.90-2206.1.0.0153
kernel-debugsource - update to 4.19.90-2206.1.0.0153
kernel-tools-debuginfo - update to 4.19.90-2206.1.0.0153
python3-perf - update to 4.19.90-2206.1.0.0153
bpftool-debuginfo - update to 4.19.90-2206.1.0.0153
perf - update to 4.19.90-2206.1.0.0153
kernel-tools - update to 4.19.90-2206.1.0.0153
perf-debuginfo - update to 4.19.90-2206.1.0.0153
linux (Debian package) - addressed in versions 4.19.249-2, 5.10.113-1
linux-image-oem-osp1 (Ubuntu package) - addressed in versions 5.4.0.122.123, 5.4.0.122.138~18.04.102
linux-image-oem (Ubuntu package) - addressed in versions 5.4.0.122.123, 5.4.0.122.138~18.04.102
linux-image-5.4.0-122-lowlatency (Ubuntu package) - update to 5.4.0-122.138~18.04.1
linux-image-5.4.0-122-generic-lpae (Ubuntu package) - update to 5.4.0-122.138~18.04.1
linux-image-5.4.0-122-generic (Ubuntu package) - update to 5.4.0-122.138~18.04.1
linux-image-generic-hwe-18.04 (Ubuntu package) - update to 5.4.0.122.138~18.04.102
linux-image-snapdragon-hwe-18.04 (Ubuntu package) - update to 5.4.0.122.138~18.04.102
linux-image-generic-lpae-hwe-18.04 (Ubuntu package) - update to 5.4.0.122.138~18.04.102
linux-image-virtual-hwe-18.04 (Ubuntu package) - update to 5.4.0.122.138~18.04.102
linux-image-lowlatency-hwe-18.04 (Ubuntu package) - update to 5.4.0.122.138~18.04.102
linux-image-5.4.0-1029-ibm (Ubuntu package) - update to 5.4.0-1029.33
linux-image-ibm (Ubuntu package) - addressed in versions 5.4.0.1029.58, 5.15.0.1007.7
linux-image-ibm-lts-20.04 (Ubuntu package) - update to 5.4.0.1029.58
linux-image-bluefield (Ubuntu package) - update to 5.4.0.1042.41
linux-image-5.4.0-1042-bluefield (Ubuntu package) - update to 5.4.0-1042.47
linux-image-gkeop (Ubuntu package) - update to 5.4.0.1049.50
linux-image-gkeop-5.4 (Ubuntu package) - update to 5.4.0.1049.50
linux-image-5.4.0-1049-gkeop (Ubuntu package) - update to 5.4.0-1049.52
linux-image-5.4.0-1071-kvm (Ubuntu package) - update to 5.4.0-1071.76
linux-image-5.4.0-1078-gke (Ubuntu package) - addressed in versions 5.4.0-1078.84, 5.4.0-1078.84~18.04.1
linux-image-gke-5.4 (Ubuntu package) - addressed in versions 5.4.0.1078.84~18.04.40, 5.4.0.1078.86
linux-image-gke (Ubuntu package) - addressed in versions 5.4.0.1078.86, 5.15.0.1008.12
linux-image-aws-lts-20.04 (Ubuntu package) - update to 5.4.0.1081.81
linux-image-5.4.0-1081-aws (Ubuntu package) - update to 5.4.0-1081.88
linux-image-gcp (Ubuntu package) - addressed in versions 5.4.0.1084.63, 5.15.0.1008.8
linux-image-5.4.0-1084-gcp (Ubuntu package) - update to 5.4.0-1084.92~18.04.1
linux-image-azure-lts-20.04 (Ubuntu package) - update to 5.4.0.1086.83
linux-image-5.4.0-1086-azure-fde (Ubuntu package) - update to 5.4.0-1086.91+cvm1.1
linux-image-azure-fde (Ubuntu package) - update to 5.4.0.1086.91+cvm1.27
linux-image-5.4.0-1086-azure (Ubuntu package) - update to 5.4.0-1086.91~18.04.1
linux-image-lowlatency-64k (Ubuntu package) - update to 5.15.0.37.37
linux-image-lowlatency-hwe-22.04 (Ubuntu package) - update to 5.15.0.37.37
linux-image-lowlatency-64k-hwe-22.04 (Ubuntu package) - update to 5.15.0.37.37
linux-image-virtual-hwe-22.04 (Ubuntu package) - update to 5.15.0.37.39
linux-image-5.15.0-37-lowlatency (Ubuntu package) - update to 5.15.0-37.39
linux-image-oem-20.04 (Ubuntu package) - update to 5.15.0.37.39
linux-image-5.15.0-37-generic-lpae (Ubuntu package) - update to 5.15.0-37.39
linux-image-generic-64k (Ubuntu package) - update to 5.15.0.37.39
linux-image-5.15.0-37-generic-64k (Ubuntu package) - update to 5.15.0-37.39
linux-image-5.15.0-37-lowlatency-64k (Ubuntu package) - update to 5.15.0-37.39
linux-image-5.15.0-37-generic (Ubuntu package) - update to 5.15.0-37.39
linux-image-generic-lpae-hwe-22.04 (Ubuntu package) - update to 5.15.0.37.39
linux-image-generic-hwe-22.04 (Ubuntu package) - update to 5.15.0.37.39
linux-image-5.15.0-1007-ibm (Ubuntu package) - update to 5.15.0-1007.8
linux-image-intel-iotg (Ubuntu package) - update to 5.15.0.1008.9
linux-image-5.15.0-1008-gke (Ubuntu package) - update to 5.15.0-1008.10
linux-image-5.15.0-1008-intel-iotg (Ubuntu package) - update to 5.15.0-1008.11
linux-image-gke-5.15 (Ubuntu package) - update to 5.15.0.1008.12
linux-image-5.15.0-1008-gcp (Ubuntu package) - update to 5.15.0-1008.12
linux-image-oracle (Ubuntu package) - update to 5.15.0.1009.8
linux-image-5.15.0-1009-oracle (Ubuntu package) - update to 5.15.0-1009.12
linux-image-5.15.0-1010-kvm (Ubuntu package) - update to 5.15.0-1010.11
linux-image-5.15.0-1010-azure (Ubuntu package) - update to 5.15.0-1010.12
linux-image-raspi (Ubuntu package) - update to 5.15.0.1011.10
linux-image-raspi-nolpae (Ubuntu package) - update to 5.15.0.1011.10
linux-image-5.15.0-1011-raspi (Ubuntu package) - update to 5.15.0-1011.13
linux-image-5.15.0-1011-raspi-nolpae (Ubuntu package) - update to 5.15.0-1011.13
linux-image-5.15.0-1011-aws (Ubuntu package) - update to 5.15.0-1011.14
linux-5.15.38/kernel-huge - update to 5.15.38
linux-5.15.38/kernel-generic - update to 5.15.38
linux-5.15.38/kernel-headers - update to 5.15.38
linux-5.15.38/kernel-modules - update to 5.15.38
kernel - addressed in versions 5.17.4-100.fc34, 5.17.4-200.fc35
kernel-headers - addressed in versions 5.17.4-100.fc34, 5.17.4-200.fc35
kernel-tools - addressed in versions 5.17.4-100.fc34, 5.17.4-200.fc35

• https://www.debian.org/security/2022/dsa-5127

• Ubuntu update for linux
• Debian update for linux
• Ubuntu update for linux
• Ubuntu update for linux
• Ubuntu update for linux-bluefield
• Ubuntu update for linux-azure
• Debian update for linux
• Slackware Linux update for Slackware 15.0 kernel
• Ubuntu update for linux
• openEuler update for kernel
• Fedora 34 update for kernel, kernel-headers, kernel-tools
• Fedora 35 update for kernel, kernel-headers, kernel-tools