INFSA-2025:19440: kernel-rt security update

Information about definition

Identificator: INFSA-2025:19440

Type: security

Release date: 2025-11-11 15:49:43 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-2023-53226

    A vulnerability in the Marvell mwifiex driver (mwifiex, Marvell Wi-Fi) allows malformed over-the-air frames to trigger out-of-bounds reads and an integer underflow in the RX path, which can crash the kernel or drop packets.

  • CVE-2023-53257

    In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: check S1G action frame size.

  • CVE-2025-39864

    A use-after-free issue was discovered in the cfg80211 subsystem, caused by freeing beacon_ies structures even when they were still referenced through hidden_beacon_bss.

Severity level

CVE Score CVSS 2.0 Score CVSS 3.x Score CVSS 4.0
no information 7.1 no information
no information 7.5 no information
no information 7.0 no information
Critical, important, moderate, low

Updated packages

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Architecture: Download