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Alerts This Week
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Ubuntu 20.04 LTS: 0092-1 Critical Kernel Denial Of Service Threat

ubuntu
Calendar Grey March 7, 2023
Scroller Ubuntu
The Ubuntu Security Team warns of critical kernel vulnerabilities that may threaten your system's integrity. Promptly patch and update your systems to protect against potential attacks
Several security issues were fixed in the kernel.

Summary

Topics%20covered

Topics Covered

security advisory denial of service buffer overflow critical kernel ubuntu

Update Instructions

The problem can be corrected by updating your kernel livepatch to the
following versions:

Ubuntu 20.04 LTS
    aws - 92.1
    aws - 92.2
    azure - 92.1
    gcp - 92.1
    gcp - 92.2
    generic - 92.1
    gke - 92.1
    gke - 92.2
    gkeop - 92.1
    ibm - 92.1
    lowlatency - 92.1

Ubuntu 18.04 LTS
    aws - 92.1
    azure - 92.1
    gcp - 92.1
    generic - 92.1
    gke - 92.1
    gkeop - 92.1
    ibm - 92.1
    lowlatency - 92.1
    oem - 92.1

Ubuntu 16.04 ESM
    aws - 92.1
    azure - 92.1
    gcp - 92.1
    generic - 92.1
    lowlatency - 92.1

Ubuntu 22.04 LTS
    aws - 92.1
    azure - 92.1
    gcp - 92.1
    generic - 92.1
    gke - 92.1
    ibm - 92.1
    lowlatency - 92.1

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-2022-4378
-   CVE-2022-42896
-   CVE-2022-43945
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References

Severity
critical
Lowest
Low
Medium
High
Critical

Topics%20covered

Topics Covered

security advisory denial of service buffer overflow critical kernel ubuntu

Package Information

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