CVE-2023-53229: 
Linux Kernel vulnerability analysis and mitigation

CVE-2023-53229 was discovered in the Linux kernel's wifi subsystem, specifically affecting the mac80211 component. The vulnerability involves invalid drv_sta_pre_rcu_remove calls for non-uploaded stations, which was disclosed on September 15, 2025. This issue affects various Linux distributions including Ubuntu and Red Hat Enterprise Linux systems (NVD).

The vulnerability exists in the Linux kernel's mac80211 wireless networking subsystem where invalid drv_sta_pre_rcu_remove calls occur for non-uploaded stations. This can potentially lead to data corruption issues caused by uninitialized driver private data structures (NVD).

The vulnerability can result in potential data corruption issues due to uninitialized driver private data structures in the wireless networking subsystem (NVD).

Multiple Linux distributions have released patches to address this vulnerability. Ubuntu has fixed this in various kernel versions: 5.15.0-79.86 for 22.04 LTS (jammy), 5.4.0-156.173 for 20.04 LTS (focal), and 5.15.0-79.86~20.04.2 for 20.04 LTS with HWE. The fix is also available for other Ubuntu kernel variants including linux-aws, linux-azure, and linux-gcp (Ubuntu).