USN-8159-2

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:

ARM64 architecture;
Cryptographic API;
Netfilter;
Network traffic control; (CVE-2025-37849, CVE-2026-23060, CVE-2026-23074, CVE-2026-23111)

Affected Packages

linux-aws-fips

Ubuntu Pro FIPS-updates 22.04 LTS

Fixed in:

5.15.0-1104.111+fips1

linux-fips

Ubuntu Pro FIPS-updates 22.04 LTS

Fixed in:

5.15.0-174.184+fips1

linux-gcp-fips

Ubuntu Pro FIPS-updates 22.04 LTS

Fixed in:

5.15.0-1104.113+fips1

References

REPORT

https://ubuntu.com/security/CVE-2025-37849

REPORT

https://ubuntu.com/security/CVE-2026-23060

REPORT

https://ubuntu.com/security/CVE-2026-23074

REPORT

https://ubuntu.com/security/CVE-2026-23111

ADVISORY

https://ubuntu.com/security/notices/USN-8159-2