INFSA-2025:15472: kernel-rt security update

Information about definition

Identificator: INFSA-2025:15472

Type: security

Release date: 2025-09-19 15:56:53 UTC

Information about package

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.

Vulnerabilities description

  • CVE-2022-49985

    In the Linux kernel, the following vulnerability has been resolved: bpf: Don't use tnum_range on array range checking for poke descriptors.

  • CVE-2025-38352

    A race condition was found in the Linux kernel’s POSIX CPU timer handling, where handle_posix_cpu_timers() may run concurrently with posix_cpu_timer_del() on an exiting task which could result in use-after-free scenarios. An attacker with local user access could use this flaw to crash or escalate their privileges on a system.

Severity level

CVE Score CVSS 2.0 Score CVSS 3.x Score CVSS 4.0
no information 7.0 no information
no information 7.8 no information
Critical, important, moderate, low

Updated packages

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Architecture: Download