CVE-2023-52508

MEDIUM

Linux Kernel < 6.1.56 - NULL Pointer Dereference in nvme_fc_io_getuuid()

Title source: llm

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.

References (3)

Core 3

Core References

Patch

https://git.kernel.org/stable/c/be90c9e29dd59b7d19a73297a1590ff3ec1d22ea

Patch

https://git.kernel.org/stable/c/dd46b3ac7322baf3772b33b29726e94f98289db7

Patch

https://git.kernel.org/stable/c/8ae5b3a685dc59a8cf7ccfe0e850999ba9727a3c

Scores

CVSS v3 5.5

EPSS 0.0022

EPSS Percentile 13.1%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-476

Status published

Products (12)

Linux/Linux < 5.19

Linux/Linux 5.18.18 - 5.19

Linux/Linux 5.19

Linux/Linux 6.1.56 - 6.1.*

Linux/Linux 6.5.6 - 6.5.*

Linux/Linux 6.6

Linux/Linux 7a41fdf27a4b1ee565ce5bf3e409b2df0b8514c4

Linux/Linux 827fc630e4c8087df5a8e8ee013b686bd6f13736 - 8ae5b3a685dc59a8cf7ccfe0e850999ba9727a3c

Linux/Linux 827fc630e4c8087df5a8e8ee013b686bd6f13736 - be90c9e29dd59b7d19a73297a1590ff3ec1d22ea

Linux/Linux 827fc630e4c8087df5a8e8ee013b686bd6f13736 - dd46b3ac7322baf3772b33b29726e94f98289db7

... and 2 more

Published Mar 02, 2024

Tracked Since Feb 18, 2026