CVE-2024-50277

dm: fix a crash if blk_alloc_disk fails

Description

In the Linux kernel, the following vulnerability has been resolved: dm: fix a crash if blk_alloc_disk fails If blk_alloc_disk fails, the variable md->disk is set to an error value. cleanup_mapped_device will see that md->disk is non-NULL and it will attempt to access it, causing a crash on this statement "md->disk->private_data = NULL;".

Category

4.7
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.02%
Affected: Linux Linux
Affected: Linux Linux
Published at:
Updated at:

References

Link Tags
https://git.kernel.org/stable/c/d7aec2a06730b774a97caaf48cbbc58330a85829 patch
https://git.kernel.org/stable/c/fed13a5478680614ba97fc87e71f16e2e197912e patch

Frequently Asked Questions

What is the severity of CVE-2024-50277?
CVE-2024-50277 has been scored as a medium severity vulnerability.
How to fix CVE-2024-50277?
To fix CVE-2024-50277, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-50277 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-50277 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-50277?
CVE-2024-50277 affects Linux Linux, Linux Linux.
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