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Ubuntu Kernel Critical Fixes CVE-2025-37849 CVE-2026-23112 CVE-2026-31431

ubuntu
Calendar Grey June 1, 2026
Dist Ubuntu Esm H88
Several critical issues fixed in Ubuntu kernel. Update Ubuntu versions to ensure security against escalations and exploits.
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 - 120.2
    azure - 120.2
    gcp - 120.2
    generic - 120.2
    ibm - 120.2
    lowlatency - 120.2
    oracle - 120.2

Ubuntu 18.04 LTS
    aws - 120.2
    azure - 120.2
    gcp - 120.2
    generic - 120.2
    lowlatency - 120.2
    oracle - 120.2

Ubuntu 24.04 LTS
    aws - 120.2
    azure - 120.2
    gcp - 120.2
    generic - 120.2
    ibm - 120.2
    oracle - 120.2

Ubuntu 22.04 LTS
    aws - 120.2
    azure - 120.2
    gcp - 120.2
    generic - 120.2
    gke - 120.2
    ibm - 120.2
    oracle - 120.2

Support Information

Livepatches for supported LTS kernels will receive upgrades for a period
of up to 13 months after the build date of the kernel.

Livepatches for supported HWE kernels which are not based on an LTS
kernel version will receive upgrades for a period of up to 9 months
after the build date of the kernel, or until the end of support for that
kernel’s non-LTS distro release version, whichever is sooner.

References

- CVE-2025-37849
- CVE-2026-23112
- CVE-2026-31431


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References

Severity
critical
Lowest
Low
Medium
High
Critical

Package Information

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