Description

In the Linux kernel, the following vulnerability has been resolved: blk-mq: setup queue ->tag_set 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->tag_set may not be setup yet when the cpuhp handler is enabled, then kernel oops is triggered. Fix the issue by setup queue tag_set before initializing hctx.

INFO

Published Date :

2024-10-29T00:50:23.608Z

Last Modified :

2026-01-11T16:29:05.931Z

Source :

Linux
AFFECTED PRODUCTS

The following products are affected by CVE-2024-50081 vulnerability.

Vendors Products
Linux
  • Linux Kernel
Redhat
  • Enterprise Linux
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2024-50081.

URL Resource
https://git.kernel.org/stable/c/25466e5b4bb11a8415ce8d0be89ab77135f7e444 cve-icon cve-icon
https://git.kernel.org/stable/c/73d964ce4bc8b4de88a7c2e40df494f0d5cd8950 cve-icon cve-icon
https://git.kernel.org/stable/c/c25c0c9035bb8b28c844dfddeda7b8bdbcfcae95 cve-icon cve-icon
https://git.kernel.org/stable/c/d28b256db525d9432bc3eb2c8d83f7d3f5e1cc87 cve-icon cve-icon
https://lore.kernel.org/linux-cve-announce/2024102937-CVE-2024-50081-f8d6@gregkh/T cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2024-50081 cve-icon
https://www.cve.org/CVERecord?id=CVE-2024-50081 cve-icon
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