Amazon Linux 2023 Security Advisory: ALAS2023LIVEPATCH-2025-102
Advisory Released Date: 2025-11-10
Advisory Updated Date: 2025-11-10
Severity:
Important
Issue Overview:
In the Linux kernel, the following vulnerability has been resolved:
tcp: Clear tcp_sk(sk)->fastopen_rsk in tcp_disconnect(). (CVE-2025-39955)
Affected Packages:
kernel-livepatch-6.12.48-67.114
Issue Correction:
Please ensure you have live patching enabled. Run dnf update kernel-livepatch-6.12.48-67.114 --releasever latest or dnf update --advisory ALAS2023LIVEPATCH-2025-102 --releasever latest to update your system.
More information on how to update your system can be found on this page: Amazon Linux 2023 documentation
New Packages:
aarch64:
kernel-livepatch-6.12.48-67.114-1.0-1.amzn2023.aarch64
src:
kernel-livepatch-6.12.48-67.114-1.0-1.amzn2023.src
x86_64:
kernel-livepatch-6.12.48-67.114-1.0-1.amzn2023.x86_64