CVE-2022-40307

Description

An issue was discovered in the Linux kernel through 5.19.8. drivers/firmware/efi/capsule-loader.c has a race condition with a resultant use-after-free.

Category

4.7
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.02%
Vendor Advisory debian.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/torvalds/linux/commit/9cb636b5f6a8cc6d1b50809ec8f8d33ae0c84c95 third party advisory patch
https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html third party advisory mailing list
https://www.debian.org/security/2022/dsa-5257 third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2022-40307?
CVE-2022-40307 has been scored as a medium severity vulnerability.
How to fix CVE-2022-40307?
To fix CVE-2022-40307, 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-2022-40307 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-40307 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.
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