USN-8015-1

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

Affected Packages

linux-hwe-6.8

Ubuntu 22.04 LTS

Fixed in:

6.8.0-94.96~22.04.1

linux-oracle-6.8

Ubuntu 22.04 LTS

Fixed in:

6.8.0-1042.43~22.04.1

linux

Ubuntu 24.04 LTS

Fixed in:

6.8.0-94.96

linux-gke

Ubuntu 24.04 LTS

Fixed in:

6.8.0-1042.47

linux-gkeop

Ubuntu 24.04 LTS

Fixed in:

6.8.0-1029.32

linux-oracle

Ubuntu 24.04 LTS

Fixed in:

6.8.0-1042.43

linux-raspi

Ubuntu 24.04 LTS

Fixed in:

6.8.0-1045.49

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-8015-1