Improper locking in Linux kernel - CVE-2025-38311
Published: July 11, 2025
Vulnerability details
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the iavf_configure(), iavf_clear_adv_rss_conf(), iavf_finish_config(), iavf_watchdog_step(), iavf_watchdog_task(), iavf_disable_vf(), iavf_reset_task(), wake_up(), iavf_adminq_task(), iavf_configure_clsflower(), iavf_open(), iavf_free_all_rx_resources(), iavf_close(), iavf_shaper_set(), iavf_shaper_del(), iavf_probe(), iavf_suspend() and iavf_remove() functions in drivers/net/ethernet/intel/iavf/iavf_main.c, within the iavf_add_fdir_ethtool() and iavf_set_adv_rss_hash_opt() functions in drivers/net/ethernet/intel/iavf/iavf_ethtool.c. A local user can perform a denial of service (DoS) attack.
Affected software
Ubuntu
linux (Ubuntu package)
linux-aws-6.14 (Ubuntu package)
linux-oem-6.14 (Ubuntu package)
linux-azure (Ubuntu package)
linux-realtime-6.14 (Ubuntu package)
linux-oracle-6.14 (Ubuntu package)
linux-raspi (Ubuntu package)
How to mitigate CVE-2025-38311
linux-aws-6.14 (Ubuntu package) - addressed in versions 6.14.0-32.32~24.04.1, 6.14.0-1013.13~24.04.1
linux-oem-6.14 (Ubuntu package) - update to 6.14.0-1012.12
linux-azure (Ubuntu package) - update to 6.14.0-1012.12
linux-realtime-6.14 (Ubuntu package) - update to 6.14.0-1012.12~24.04.1
linux-oracle-6.14 (Ubuntu package) - update to 6.14.0-1013.13~24.04.1
linux-raspi (Ubuntu package) - update to 6.14.0-1014.14