https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Tue, 29 Sep 2026 19:46:59 +0000 https://vulnerability.circl.lu/vuln/cve-2022-48846 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>block: release rq qos structures for queue without disk</p> <p>blkcg_init_queue() may add rq qos structures to request queue, previously blk_cleanup_queue() calls rq_qos_exit() to release them, but commit 8e141f9eb803 (&#34;block: drain file system I/O on del_gendisk&#34;) moves rq_qos_exit() into del_gendisk(), so memory leak is caused because queues may not have disk, such as un-present scsi luns, nvme admin queue, ...</p> <p>Fixes the issue by adding rq_qos_exit() to blk_cleanup_queue() back.</p> <p>BTW, v5.18 won&#39;t need this patch any more since we move blkcg_init_queue()/blkcg_exit_queue() into disk allocation/release handler, and patches have been in for-5.18/block.</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>block: release rq qos structures for queue without disk</p> <p>blkcg_init_queue() may add rq qos structures to request queue, previously blk_cleanup_queue() calls rq_qos_exit() to release them, but commit 8e141f9eb803 (&#34;block: drain file system I/O on del_gendisk&#34;) moves rq_qos_exit() into del_gendisk(), so memory leak is caused because queues may not have disk, such as un-present scsi luns, nvme admin queue, ...</p> <p>Fixes the issue by adding rq_qos_exit() to blk_cleanup_queue() back.</p> <p>BTW, v5.18 won&#39;t need this patch any more since we move blkcg_init_queue()/blkcg_exit_queue() into disk allocation/release handler, and patches have been in for-5.18/block.</p> https://vulnerability.circl.lu/vuln/cve-2022-48846