Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989256)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989256 advisory. In the Linux kernel, the following vulnerability has been resolved: bfq: Avoid merging queues with different parents It can happen that the parent of a bfqq changes...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989593)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989593 advisory. In the Linux kernel, the following vulnerability has been resolved: Revert Revert block, bfq: honor already-setup queue merges A crash 1 happened to be triggered in...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-986365)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-986365 advisory. In the Linux kernel, the following vulnerability has been resolved: Revert Revert block, bfq: honor already-setup queue merges A crash 1 happened to be triggered in...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-987375)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-987375 advisory. In the Linux kernel, the following vulnerability has been resolved: bfq: Avoid merging queues with different parents It can happen that the parent of a bfqq changes...

kernel: block, bfq: fix bfqq uaf in bfq_limit_depth()

In the Linux kernel, the following vulnerability has been resolved: block, bfq: fix bfqq uaf in bfqlimitdepth Set new allocated bfqq to bic or remove freed bfqq from bic are both protected by bfqd-lock, however bfqlimitdepth is deferencing bfqq from bic without the lock, this can lead to UAF if t...

CVE-2022-49412

In the Linux kernel, the following vulnerability has been resolved: bfq: Avoid merging queues with different parents It can happen that the parent of a bfqq changes between the moment we decide two queues are worth to merge and set bic-stablemergebfqq and the moment bfqsetupmerge is called. This...