CVE-2023-52508

nvme-fc: Prevent null pointer dereference in nvme_fc_io_getuuid()

Description

In the Linux kernel, the following vulnerability has been resolved: nvme-fc: Prevent null pointer dereference in nvme_fc_io_getuuid() The nvme_fc_fcp_op structure describing an AEN operation is initialized with a null request structure pointer. An FC LLDD may make a call to nvme_fc_io_getuuid passing a pointer to an nvmefc_fcp_req for an AEN operation. Add validation of the request structure pointer before dereference.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.01%
Affected: Linux Linux
Affected: Linux Linux
Published at:
Updated at:

References

Link Tags
https://git.kernel.org/stable/c/be90c9e29dd59b7d19a73297a1590ff3ec1d22ea patch
https://git.kernel.org/stable/c/dd46b3ac7322baf3772b33b29726e94f98289db7 patch
https://git.kernel.org/stable/c/8ae5b3a685dc59a8cf7ccfe0e850999ba9727a3c patch

Frequently Asked Questions

What is the severity of CVE-2023-52508?
CVE-2023-52508 has been scored as a medium severity vulnerability.
How to fix CVE-2023-52508?
To fix CVE-2023-52508, 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-2023-52508 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-52508 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-2023-52508?
CVE-2023-52508 affects Linux Linux, Linux Linux.
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