RLSA-2026:39494 Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: crypto: ccp - copy IV using skcipher ivsize CVE-2026-53016 kernel: XFS data corruption using reflink Bug Fixes and Enhancements: Exploits KEV kernel: XFS data corruption using reflink...

PT-2026-36327

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the crypto CCP module when retrieving the CPU ID. If a firmware command fails, specifically due to an invalid length where the userspace buffer is too small, the syste...

CVE-2025-39936

The CVE-2025-39936 issue affects the Linux kernel crypto: ccp code path used during SEV/SNP shutdown. Root cause: __sev_firmware_shutdown() could call __sev_platform_shutdown_locked() with a NULL argument after the error-messages refactor, causing a NULL pointer dereference on the shutdown path d...