CVE-2023-52902

nommu: fix memory leak in do_mmap() error path

Description

In the Linux kernel, the following vulnerability has been resolved: nommu: fix memory leak in do_mmap() error path The preallocation of the maple tree nodes may leak if the error path to "error_just_free" is taken. Fix this by moving the freeing of the maple tree nodes to a shared location for all error paths.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.04%
Affected: Linux Linux
Affected: Linux Linux
Published at:
Updated at:

References

Link Tags
https://git.kernel.org/stable/c/1442d51026c58e7c11dd5f9b19650632a48676d4 patch
https://git.kernel.org/stable/c/7f31cced5724e6d414fe750aa1cd7e7b578ec22f patch

Frequently Asked Questions

What is the severity of CVE-2023-52902?
CVE-2023-52902 has been scored as a medium severity vulnerability.
How to fix CVE-2023-52902?
To fix CVE-2023-52902, 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-2023-52902 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-52902 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-2023-52902?
CVE-2023-52902 affects Linux Linux, Linux Linux.
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