UBUNTU-CVE-2025-40146

In the Linux kernel, the following vulnerability has been resolved: blk-mq: fix potential deadlock while nrrequests grown Allocate and free schedtags while queue is freezed can deadlock1, this is a long term problem, hence allocate memory before freezing queue and free memory after queue is...

CVE-2025-40146

The CVE-2025-40146 entry refers to a Linux kernel issue in the blk-mq subsystem where deadlock can occur as nr_requests grow. The root cause is described as a conflict between allocating/freeing sched_tags while the I/O queue is frozen, which can lead to a deadlock. The published fix involves all...

CVE-2025-40146 blk-mq: fix potential deadlock while nr_requests grown

In the Linux kernel, the following vulnerability has been resolved: blk-mq: fix potential deadlock while nrrequests grown Allocate and free schedtags while queue is freezed can deadlock1, this is a long term problem, hence allocate memory before freezing queue and free memory after queue is...

DEBIAN-CVE-2025-39999

In the Linux kernel, the following vulnerability has been resolved: blk-mq: fix blkmqtags double free while nrrequests grown In the case user trigger tags grow by queue sysfs attribute nrrequests, hctx-schedtags will be freed directly and replaced with a new allocated tags, see blkmqtagupdatedept...

CVE-2025-39999 blk-mq: fix blk_mq_tags double free while nr_requests grown

In the Linux kernel, the following vulnerability has been resolved: blk-mq: fix blkmqtags double free while nrrequests grown In the case user trigger tags grow by queue sysfs attribute nrrequests, hctx-schedtags will be freed directly and replaced with a new allocated tags, see blkmqtagupdatedept...

CVE-2021-47498

In the Linux kernel, the following vulnerability has been resolved: dm rq: don't queue request to blk-mq during DM suspend DM uses blk-mq's quiesce/unquiesce to stop/start device mapper queue. But blk-mq's unquiesce may come from outside events, such as elevator switch, updating nrrequests or...

Moderate: kernel security and bugfix update

2.6.9-55.0.6.0.1 - fix entropy flag in bnx2 driver to generate entropy pool John Sobecki orabug 5931647 - fix for nfs open call taking longer issue Chuck Lever orabug 5580407 bz 219412 - fix enomem due to larger mtu size page alloc Zach Brown orabug 5486128 - fix percpu api bugon with rds Zach...