Alerts This Week
Warning Icon 1 764
Alerts This Week
Warning Icon 1 764

Ubuntu 20.04 LTS: 0091-1 Critical Use-After-Free Kernel Flaws

ubuntu
Calendar Grey February 14, 2023
Dist Ubuntu Esm H88
Critical kernel flaws pose threats to Ubuntu systems. Address this issue promptly to avert potential system failures or unauthorized code execution!
Several security issues were fixed in the kernel.

Summary

Update Instructions

The problem can be corrected by updating your kernel livepatch to the following versions: Ubuntu 20.04 LTS aws - 91.1 azure - 91.1 gcp - 91.1 generic - 91.1 gke - 91.1 gkeop - 91.1 ibm - 91.1 lowlatency - 91.1 Ubuntu 18.04 LTS aws - 91.1 azure - 91.1 gcp - 91.1 generic - 91.1 gke - 91.1 gkeop - 91.1 ibm - 91.1 lowlatency - 91.1 Ubuntu 22.04 LTS aws - 91.1 azure - 91.1 gcp - 91.1 generic - 91.1 gke - 91.1 ibm - 91.1 Support Information Kernels older than the levels listed below do not receive livepatch updates. If you are running a kernel version earlier than the one listed below, please upgrade your kernel as soon as possible. Ubuntu 20.04 LTS linux-aws-5.15 - 5.15.0-1000 linux-aws - 5.4.0-1009 linux-aws - 5.4.0-1061 linux-azure-5.15 - 5.15.0-1069 linux-azure - 5.4.0-1010 linux-gcp-5.15 - 5.15.0-1000 linux-gcp - 5.4.0-1009 linux-gke-5.15 - 5.15.0-1000 linux-gke - 5.4.0-1033 linux-gkeop - 5.4.0-1009 linux-hwe - 5.15.0-0 linux-ibm-5.15 - 5.15.0-1000 linux-ibm - 5.4.0-1009 linux-oem - 5.4.0-26 linux - 5.4.0-26 Ubuntu 18.04 LTS linux-aws-5.4 - 5.4.0-1069 linux-aws - 4.15.0-1054 linux-aws - 4.15.0-1119 linux-azure-4.15 - 4.15.0-1115 linux-azure-5.4 - 5.4.0-1069 linux-gcp-4.15 - 4.15.0-1121 linux-gcp-5.4 - 5.4.0-1069 linux-gke-4.15 - 4.15.0-1076 linux-gke-5.4 - 5.4.0-1009 linux-gkeop-5.4 - 5.4.0-1007 linux-hwe-5.4 - 5.4.0-26 linux-ibm-5.4 - 5.4.0-1009 linux-oem - 4.15.0-1063 linux - 4.15.0-69 Ubuntu 16.04 ESM linux-aws-hwe - 4.15.0-1126 linux-aws - 4.4.0-1098 linux-aws - 4.4.0-1129 linux-azure - 4.15.0-1063 linux-azure - 4.15.0-1078 linux-azure - 4.15.0-1114 linux-gcp - 4.15.0-1118 linux-hwe - 4.15.0-143 linux-hwe - 4.15.0-69 linux - 4.4.0-168 linux - 4.4.0-211 Ubuntu 22.04 LTS linux-aws - 5.15.0-1000 linux-azure - 5.15.0-1000 linux-gcp - 5.15.0-1000 linux-gke - 5.15.0-1000 linux-ibm - 5.15.0-1000 linux - 5.15.0-24 linux - 5.15.0-25 Ubuntu 14.04 ESM linux-lts-xenial - 4.4.0-168 References - CVE-2022-41222 - CVE-2022-42719

References

Severity
critical
Lowest
Low
Medium
High
Critical

Package Information

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here