NULL pointer dereference in Linux
CVE-2023-52508
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.
EPSS: 0.002 (13.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Linux — versions 5.19, 5.18.18, 6.1.56
- Linux Linux_kernel — versions 6.6
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2023-52508?
- CVE-2023-52508 is a medium-severity vulnerability in Linux, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2024-03-02.
- How severe is CVE-2023-52508?
- Medium severity. CVSS v3 base score is 5.5 out of 10.