USN-7990-5

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-azure-5.4

Ubuntu Pro 18.04 LTS

Fixed in:

5.4.0-1157.164~18.04.1

linux-azure

Ubuntu Pro 20.04 LTS

Fixed in:

5.4.0-1157.164

linux-azure-fips

Ubuntu Pro FIPS-updates 20.04 LTS

Fixed in:

5.4.0-1158.165+fips1

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-7990-5