RLSA-2025:11851 Moderate: kernel-rt security update

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fixes: kernel: wifi: iwlwifi: limit printed string from FW file CVE-2025-21905 kernel: sched/fair: Fix potential memory corruption in...

kernel security update

An update is available for kernel. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The kernel packages contain the Linux kernel, the core of any Linux operating...

AlmaLinux 8 : kernel (ALSA-2025:11850)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2025:11850 advisory. kernel: wifi: iwlwifi: limit printed string from FW file CVE-2025-21905 kernel: sched/fair: Fix potential memory corruption in childcfsrqonlist...

ALSA-2025:11850 Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: wifi: iwlwifi: limit printed string from FW file CVE-2025-21905 kernel: sched/fair: Fix potential memory corruption in childcfsrqonlist CVE-2025-21919 kernel: ftrace: Fix NULL pointer...

CVE-2022-49977 ftrace: Fix NULL pointer dereference in is_ftrace_trampoline when ftrace is dead

In the Linux kernel, the following vulnerability has been resolved: ftrace: Fix NULL pointer dereference in isftracetrampoline when ftrace is dead ftracestartup does not remove ops from ftraceopslist when ftracestartupenable fails: registerftracefunction ftracestartup registerftracefunction...

CVE-2022-49977

Summary of CVE-2022-49977 – Linux kernel ftrace NULL pointer dereference Root cause: When ftrace is dead and ftrace_startup_enable fails to modify the ftrace state, the registration may leave an op in ftrace_ops_list. If the op is dynamically allocated, is_ftrace_trampoline can access a NULL op i...