USN-7921-1

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;
Media drivers;
Netfilter;
TLS protocol; (CVE-2025-39946, CVE-2025-39964, CVE-2025-39993, CVE-2025-40018)

Affected Packages

linux-aws-6.14

Ubuntu 24.04 LTS

Fixed in:

6.14.0-1018.18~24.04.1

linux-hwe-6.14

Ubuntu 24.04 LTS

Fixed in:

6.14.0-37.37~24.04.1

linux

Ubuntu 25.04

Fixed in:

6.14.0-37.37

linux-aws

Ubuntu 25.04

Fixed in:

6.14.0-1018.18

linux-gcp

Ubuntu 25.04

Fixed in:

6.14.0-1021.22

linux-raspi

Ubuntu 25.04

Fixed in:

6.14.0-1019.19

References

REPORThttps://ubuntu.com/security/CVE-2025-39946 REPORThttps://ubuntu.com/security/CVE-2025-39964 REPORThttps://ubuntu.com/security/CVE-2025-39993 REPORThttps://ubuntu.com/security/CVE-2025-40018 ADVISORYhttps://ubuntu.com/security/notices/USN-7921-1

USN-7921-1

Details

Affected Packages

References

Upstream

Ecosystems

Timeline