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CVE-2023-52809

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: scsi: libfc: Fix potential NULL pointer dereference in fc_lport_ptp_setup() fc_lport_ptp_setup() did not check the return value…

Published May 21, 2024CWE-476EPSS 0.25%

Overview

CVE-2023-52809 is a medium-severity vulnerability. It was published on May 21, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

In the Linux kernel, the following vulnerability has been resolved:

scsi: libfc: Fix potential NULL pointer dereference in fc_lport_ptp_setup()

fc_lport_ptp_setup() did not check the return value of fc_rport_create()

which can return NULL and would cause a NULL pointer dereference. Address

this issue by checking return value of fc_rport_create() and log error

message on fc_rport_create() failed.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/442fd24d7b6b29e4a9cd9225afba4142d5f522baRefgit.kernel.org/stable/c/4df105f0ce9f6f30cda4e99f577150d23f0c9c5fRefgit.kernel.org/stable/c/56d78b5495ebecbb9395101f3be177cd0a52450bRefgit.kernel.org/stable/c/6b9ecf4e1032e645873933e5b43cbb84cac19106Refgit.kernel.org/stable/c/77072ec41d6ab3718c3fc639bc149b8037caedfaRefgit.kernel.org/stable/c/930f0aaba4820d6362de4e6ed569eaf444f1ea4eRefgit.kernel.org/stable/c/b549acf999824d4f751ca57965700372f2f3ad00Refgit.kernel.org/stable/c/bb83f79f90e92f46466adcfd4fd264a7ae0f0f01Refgit.kernel.org/stable/c/f6fe7261b92b21109678747f36df9fdab1e30c34Refgit.kernel.org/stable/c/442fd24d7b6b29e4a9cd9225afba4142d5f522ba

How CyberStrike helps

Frequently asked questions

What is CVE-2023-52809?

CVE-2023-52809 is a medium-severity vulnerability. It was published on May 21, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2023-52809?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2023-52809?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2023-52809?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-52809 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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