Linux blk_mq Queue Tag Set DoS

The vulnerability of the blkmqadd,delqueuetagset function in the Linux operating system is related to errors during thread locking. Exploiting this vulnerability can allow an attacker to cause a service failure...

Linux Distros Unpatched Vulnerability : CVE-2020-0433

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In blkmqqueuetagbusyiter of blk-mq-tag.c, there is a possible use after free due to improper locking. This could lead to local escalation of privilege with no...

kernel: blk-mq: setup queue ->tag_set before initializing hctx

In the Linux kernel, the following vulnerability has been resolved: blk-mq: setup queue -tagset before initializing hctx Commit 7b815817aa58 "blk-mq: add helper for checking if one CPU is mapped to specified hctx" needs to check queue mapping via tag set in hctx's cpuhp handler. However, q-tagset...

Linux Kernel Security Vulnerabilities

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from not properly setting the tagset of queue before initializing hctx, resulting in kernel oops...

DEBIAN-CVE-2024-41053

In the Linux kernel, the following vulnerability has been resolved: scsi: ufs: core: Fix ufshcdabortone racing issue When ufshcdabortone is racing with the completion ISR, the completed tag of the request's mqhctx pointer will be set to NULL by ISR. Return success when request is completed by ISR...

PT-2020-11777

Name of the Vulnerable Software and Affected Versions Android kernel Description The issue is related to a possible use after free due to improper locking in the blk mq queue tag busy iter function of blk-mq-tag.c. This could lead to local escalation of privilege with no additional execution...