CVE-2023-52809

MEDIUM
Published May 21, 2024 Modified Nov 21, 2024 CWE-476

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.

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CVSS v3.1 Score

5.5
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-476 CWE-476

Affected Products

Vendor Product
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel

References

Advisories & Patches

https://git.kernel.org/stable/c/442fd24d7b6b29e4a9cd9225afba4142d5f522ba https://git.kernel.org/stable/c/4df105f0ce9f6f30cda4e99f577150d23f0c9c5f https://git.kernel.org/stable/c/56d78b5495ebecbb9395101f3be177cd0a52450b https://git.kernel.org/stable/c/6b9ecf4e1032e645873933e5b43cbb84cac19106 https://git.kernel.org/stable/c/77072ec41d6ab3718c3fc639bc149b8037caedfa https://git.kernel.org/stable/c/930f0aaba4820d6362de4e6ed569eaf444f1ea4e https://git.kernel.org/stable/c/b549acf999824d4f751ca57965700372f2f3ad00 https://git.kernel.org/stable/c/bb83f79f90e92f46466adcfd4fd264a7ae0f0f01 https://git.kernel.org/stable/c/f6fe7261b92b21109678747f36df9fdab1e30c34 https://git.kernel.org/stable/c/442fd24d7b6b29e4a9cd9225afba4142d5f522ba https://git.kernel.org/stable/c/4df105f0ce9f6f30cda4e99f577150d23f0c9c5f https://git.kernel.org/stable/c/56d78b5495ebecbb9395101f3be177cd0a52450b https://git.kernel.org/stable/c/6b9ecf4e1032e645873933e5b43cbb84cac19106 https://git.kernel.org/stable/c/77072ec41d6ab3718c3fc639bc149b8037caedfa https://git.kernel.org/stable/c/930f0aaba4820d6362de4e6ed569eaf444f1ea4e https://git.kernel.org/stable/c/b549acf999824d4f751ca57965700372f2f3ad00 https://git.kernel.org/stable/c/bb83f79f90e92f46466adcfd4fd264a7ae0f0f01 https://git.kernel.org/stable/c/f6fe7261b92b21109678747f36df9fdab1e30c34

Frequently Asked Questions

What is CVE-2023-52809? +
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. It has a CVSS v3.1 base score of 5.5 (MEDIUM).
How severe is CVE-2023-52809? +
CVE-2023-52809 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.
What products are affected by CVE-2023-52809? +
CVE-2023-52809 affects products from linux, specifically: linux_kernel. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2023-52809? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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