USN-7990-1

Details

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems:

Cryptographic API;
Padata parallel execution mechanism;
Netfilter; (CVE-2022-49698, CVE-2025-21726, CVE-2025-40019)

Affected Packages

linux-aws-5.4

Ubuntu Pro 18.04 LTS

Fixed in:

5.4.0-1154.164~18.04.1

linux-gcp-5.4

Ubuntu Pro 18.04 LTS

Fixed in:

5.4.0-1157.166~18.04.1

linux-hwe-5.4

Ubuntu Pro 18.04 LTS

Fixed in:

5.4.0-225.245~18.04.1

linux-ibm-5.4

Ubuntu Pro 18.04 LTS

Fixed in:

5.4.0-1100.105~18.04.1

linux

Ubuntu Pro 20.04 LTS

Fixed in:

5.4.0-225.245

linux-aws

Ubuntu Pro 20.04 LTS

Fixed in:

5.4.0-1154.164

linux-gcp

Ubuntu Pro 20.04 LTS

Fixed in:

5.4.0-1157.166

linux-ibm

Ubuntu Pro 20.04 LTS

Fixed in:

5.4.0-1100.105

linux-iot

Ubuntu Pro 20.04 LTS

Fixed in:

5.4.0-1058.61

linux-kvm

Ubuntu Pro 20.04 LTS

Fixed in:

5.4.0-1141.150

References

REPORT

https://ubuntu.com/security/CVE-2022-49698

REPORT

https://ubuntu.com/security/CVE-2025-21726

REPORT

https://ubuntu.com/security/CVE-2025-40019

ADVISORY

https://ubuntu.com/security/notices/USN-7990-1