Azure Linux 3.0 Security Update: kernel (CVE-2025-22126)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-22126 advisory. - In the Linux kernel, the following vulnerability has been resolved: md: fix mddev uaf while iterating...

kernel: md: fix mddev uaf while iterating all_mddevs list

A flaw was discovered in the Linux kernel’s MD multiple device subsystem during iteration over the allmddevs list in functions such as mdnotifyreboot and mdexit. The code used listforeachentrysafe, but released locks before completing reference counting, allowing concurrent deletion and freeing o...

kernel: md: fix mddev uaf while iterating all_mddevs list

A flaw was discovered in the Linux kernel’s MD multiple device subsystem during iteration over the allmddevs list in functions such as mdnotifyreboot and mdexit. The code used listforeachentrysafe, but released locks before completing reference counting, allowing concurrent deletion and freeing o...