USN-8015-2

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:

Cryptographic API;
SMB network file system;
io_uring subsystem; (CVE-2025-38561, CVE-2025-39698, CVE-2025-40019)

Affected Packages

linux-realtime-6.8

Ubuntu Pro Realtime 22.04 LTS

Fixed in:

6.8.1-1040.41~22.04.1

linux-raspi-realtime

Ubuntu Pro Realtime 24.04 LTS

Fixed in:

6.8.0-2036.37

linux-realtime

Ubuntu Pro Realtime 24.04 LTS

Fixed in:

6.8.1-1040.41

References

REPORT

https://ubuntu.com/security/CVE-2025-38561

REPORT

https://ubuntu.com/security/CVE-2025-39698

REPORT

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

ADVISORY

https://ubuntu.com/security/notices/USN-8015-2