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

CSH
CYBERSECURITY HELP
Sign In REGISTER
 
Main Vulnerability Database Vulnerabilities #VU63791

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

Published: May 30, 2022


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

Vulnerability details

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.


Affected software

Linux kernel
Debian Linux
Ubuntu
Slackware Linux
openEuler
Fedora
linux (Ubuntu package)
linux-lts-xenial (Ubuntu package)
linux-aws (Ubuntu package)
linux-kvm (Ubuntu package)
linux-snapdragon (Ubuntu package)
linux-hwe (Ubuntu package)
linux-gcp (Ubuntu package)
linux-raspi2 (Ubuntu package)
linux-oracle (Ubuntu package)
linux-dell300x (Ubuntu package)
linux-azure (Ubuntu package)
linux-aws-hwe (Ubuntu package)
linux-azure-4.15 (Ubuntu package)
linux-gcp-4.15 (Ubuntu package)
linux-gke (Ubuntu package)
linux-azure-fde (Ubuntu package)
linux-hwe-5.4 (Ubuntu package)
linux-gkeop-5.4 (Ubuntu package)
linux-gke-5.4 (Ubuntu package)
linux-bluefield (Ubuntu package)
linux-ibm (Ubuntu package)
linux-gkeop (Ubuntu package)
linux-raspi (Ubuntu package)
linux-ibm-5.4 (Ubuntu package)
linux-aws-5.4 (Ubuntu package)
linux-azure-5.4 (Ubuntu package)
linux-oracle-5.4 (Ubuntu package)
linux-gcp-5.4 (Ubuntu package)
linux-raspi-5.4 (Ubuntu package)
python3-perf
kernel-source
python3-perf-debuginfo
perf
kernel-tools-devel
perf-debuginfo
kernel-tools
bpftool-debuginfo
bpftool
kernel-debuginfo
kernel-tools-debuginfo
kernel-debugsource
kernel-devel
python2-perf-debuginfo
python2-perf
kernel
kernel-headers
linux-5.15.38/kernel-modules
linux-5.15.38/kernel-huge
linux-5.15.38/kernel-headers
linux-5.15.38/kernel-generic
linux-image-azure (Ubuntu package)
linux-image-4.15.0-1146-azure (Ubuntu package)
linux (Debian package)
linux-image-lowlatency-64k (Ubuntu package)
linux-image-lowlatency (Ubuntu package)
linux-image-lowlatency-64k-hwe-22.04 (Ubuntu package)
linux-image-lowlatency-hwe-22.04 (Ubuntu package)
linux-image-generic-lpae-hwe-22.04 (Ubuntu package)
linux-image-virtual-hwe-22.04 (Ubuntu package)
linux-image-generic-lpae (Ubuntu package)
linux-image-oem-20.04 (Ubuntu package)
linux-image-generic-hwe-22.04 (Ubuntu package)
linux-image-virtual (Ubuntu package)
linux-image-generic-64k (Ubuntu package)
linux-image-generic (Ubuntu package)
linux-image-ibm (Ubuntu package)
linux-image-gcp (Ubuntu package)
linux-image-gke (Ubuntu package)
linux-image-gke-5.15 (Ubuntu package)
linux-image-oracle (Ubuntu package)
linux-image-kvm (Ubuntu package)
linux-image-raspi-nolpae (Ubuntu package)
linux-image-raspi (Ubuntu package)
linux-image-aws (Ubuntu package)
linux-image-5.15.0-37-generic (Ubuntu package)
linux-image-5.15.0-37-generic-lpae (Ubuntu package)
linux-image-5.15.0-37-lowlatency (Ubuntu package)
linux-image-5.15.0-37-generic-64k (Ubuntu package)
linux-image-5.15.0-37-lowlatency-64k (Ubuntu package)
linux-image-5.15.0-1007-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-nolpae (Ubuntu package)
linux-image-5.15.0-1011-raspi (Ubuntu package)
linux-image-5.15.0-1011-aws (Ubuntu package)

How to mitigate CVE-2022-1204

Install updates from vendor's website.

linux (Ubuntu package) - addressed in versions 4.4.0-234.268, 4.15.0-189.200, 5.4.0-122.138
linux-lts-xenial (Ubuntu package) - update to 4.4.0-234.268~14.04.1
linux-aws (Ubuntu package) - addressed in versions 4.4.0-1113.119, 4.4.0-1151.166, 4.15.0-1137.148, 5.4.0-1081.88
linux-kvm (Ubuntu package) - addressed in versions 4.4.0-1114.124, 4.15.0-1123.128, 5.4.0-1071.76
linux-snapdragon (Ubuntu package) - update to 4.15.0-1133.143
linux-hwe (Ubuntu package) - update to 4.15.0-189.200~16.04.1
linux-gcp (Ubuntu package) - addressed in versions 4.15.0-1131.147~16.04.1, 5.4.0-1084.92
linux-raspi2 (Ubuntu package) - update to 4.15.0-1115.123
linux-oracle (Ubuntu package) - addressed in versions 4.15.0-1102.113~16.04.1, 4.15.0-1102.113, 5.4.0-1079.87
linux-dell300x (Ubuntu package) - update to 4.15.0-1049.54
linux-azure (Ubuntu package) - addressed in versions 4.15.0-1146.161~14.04.1, 5.4.0-1086.91
linux-aws-hwe (Ubuntu package) - update to 4.15.0-1137.148~16.04.1
linux-azure-4.15 (Ubuntu package) - update to 4.15.0-1146.161
linux-gcp-4.15 (Ubuntu package) - update to 4.15.0-1131.147
linux-gke (Ubuntu package) - update to 5.4.0-1078.84
linux-azure-fde (Ubuntu package) - update to 5.4.0-1086.91+cvm1.1
linux-hwe-5.4 (Ubuntu package) - update to 5.4.0-122.138~18.04.1
linux-gkeop-5.4 (Ubuntu package) - update to 5.4.0-1049.52~18.04.1
linux-gke-5.4 (Ubuntu package) - update to 5.4.0-1078.84~18.04.1
linux-bluefield (Ubuntu package) - update to 5.4.0-1042.47
linux-ibm (Ubuntu package) - update to 5.4.0-1029.33
linux-gkeop (Ubuntu package) - update to 5.4.0-1049.52
linux-raspi (Ubuntu package) - update to 5.4.0-1066.76
linux-ibm-5.4 (Ubuntu package) - update to 5.4.0-1029.33~18.04.1
linux-aws-5.4 (Ubuntu package) - update to 5.4.0-1081.88~18.04.1
linux-azure-5.4 (Ubuntu package) - update to 5.4.0-1086.91~18.04.1
linux-oracle-5.4 (Ubuntu package) - update to 5.4.0-1079.87~18.04.1
linux-gcp-5.4 (Ubuntu package) - update to 5.4.0-1084.92~18.04.1
linux-raspi-5.4 (Ubuntu package) - update to 5.4.0-1066.76~18.04.1
python3-perf - update to 4.19.90-2206.1.0.0153
kernel-source - update to 4.19.90-2206.1.0.0153
python3-perf-debuginfo - update to 4.19.90-2206.1.0.0153
perf - update to 4.19.90-2206.1.0.0153
kernel-tools-devel - update to 4.19.90-2206.1.0.0153
perf-debuginfo - update to 4.19.90-2206.1.0.0153
kernel-tools - update to 4.19.90-2206.1.0.0153
bpftool-debuginfo - update to 4.19.90-2206.1.0.0153
bpftool - update to 4.19.90-2206.1.0.0153
kernel-debuginfo - update to 4.19.90-2206.1.0.0153
kernel-tools-debuginfo - update to 4.19.90-2206.1.0.0153
kernel-debugsource - update to 4.19.90-2206.1.0.0153
kernel-devel - update to 4.19.90-2206.1.0.0153
python2-perf-debuginfo - update to 4.19.90-2206.1.0.0153
python2-perf - update to 4.19.90-2206.1.0.0153
kernel - update to 4.19.90-2206.1.0.0153
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
linux-image-5.15.0-37-generic (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-5.15.0-37-lowlatency (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-5.15.0-1007-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-5.15.0-1008-gcp (Ubuntu package) - update to 5.15.0-1008.12
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-5.15.0-1011-raspi-nolpae (Ubuntu package) - update to 5.15.0-1011.13
linux-image-5.15.0-1011-raspi (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-modules - update to 5.15.38
linux-5.15.38/kernel-huge - update to 5.15.38
linux-5.15.38/kernel-headers - update to 5.15.38
linux-5.15.38/kernel-generic - update to 5.15.38
linux-image-azure (Ubuntu package) - addressed in versions 4.15.0.1146.133, 5.15.0.1010.10
linux-image-4.15.0-1146-azure (Ubuntu package) - update to 4.15.0.1146.133
linux (Debian package) - addressed in versions 4.19.249-2, 5.10.113-1
linux-image-lowlatency-64k (Ubuntu package) - update to 5.15.0.37.37
linux-image-lowlatency (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-lowlatency-hwe-22.04 (Ubuntu package) - update to 5.15.0.37.37
linux-image-generic-lpae-hwe-22.04 (Ubuntu package) - update to 5.15.0.37.39
linux-image-virtual-hwe-22.04 (Ubuntu package) - update to 5.15.0.37.39
linux-image-generic-lpae (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-generic-hwe-22.04 (Ubuntu package) - update to 5.15.0.37.39
linux-image-virtual (Ubuntu package) - update to 5.15.0.37.39
linux-image-generic-64k (Ubuntu package) - update to 5.15.0.37.39
linux-image-generic (Ubuntu package) - update to 5.15.0.37.39
linux-image-ibm (Ubuntu package) - update to 5.15.0.1007.7
linux-image-gcp (Ubuntu package) - update to 5.15.0.1008.8
linux-image-gke (Ubuntu package) - update to 5.15.0.1008.12
linux-image-gke-5.15 (Ubuntu package) - update to 5.15.0.1008.12
linux-image-oracle (Ubuntu package) - update to 5.15.0.1009.8
linux-image-kvm (Ubuntu package) - update to 5.15.0.1010.9
linux-image-raspi-nolpae (Ubuntu package) - update to 5.15.0.1011.10
linux-image-raspi (Ubuntu package) - update to 5.15.0.1011.10
linux-image-aws (Ubuntu package) - update to 5.15.0.1011.12

External References

Related Security Bulletins