5.5
MEDIUM
CVE-2023-52809
Linux Kernel SCSI FC NULL Pointer Dereference Vulnerability
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.

INFO

Published Date :

May 21, 2024, 4:15 p.m.

Last Modified :

May 24, 2024, 1:14 a.m.

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67

Remotely Exploitable :

No

Impact Score :

3.6

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2023-52809 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel
: Total Affected Vendor : 1 | Products : 1
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2023-52809.

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

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-52809 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-52809 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    May. 29, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    May. 24, 2024

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://git.kernel.org/stable/c/442fd24d7b6b29e4a9cd9225afba4142d5f522ba No Types Assigned https://git.kernel.org/stable/c/442fd24d7b6b29e4a9cd9225afba4142d5f522ba Patch
    Changed Reference Type https://git.kernel.org/stable/c/4df105f0ce9f6f30cda4e99f577150d23f0c9c5f No Types Assigned https://git.kernel.org/stable/c/4df105f0ce9f6f30cda4e99f577150d23f0c9c5f Patch
    Changed Reference Type https://git.kernel.org/stable/c/56d78b5495ebecbb9395101f3be177cd0a52450b No Types Assigned https://git.kernel.org/stable/c/56d78b5495ebecbb9395101f3be177cd0a52450b Patch
    Changed Reference Type https://git.kernel.org/stable/c/6b9ecf4e1032e645873933e5b43cbb84cac19106 No Types Assigned https://git.kernel.org/stable/c/6b9ecf4e1032e645873933e5b43cbb84cac19106 Patch
    Changed Reference Type https://git.kernel.org/stable/c/77072ec41d6ab3718c3fc639bc149b8037caedfa No Types Assigned https://git.kernel.org/stable/c/77072ec41d6ab3718c3fc639bc149b8037caedfa Patch
    Changed Reference Type https://git.kernel.org/stable/c/930f0aaba4820d6362de4e6ed569eaf444f1ea4e No Types Assigned https://git.kernel.org/stable/c/930f0aaba4820d6362de4e6ed569eaf444f1ea4e Patch
    Changed Reference Type https://git.kernel.org/stable/c/b549acf999824d4f751ca57965700372f2f3ad00 No Types Assigned https://git.kernel.org/stable/c/b549acf999824d4f751ca57965700372f2f3ad00 Patch
    Changed Reference Type https://git.kernel.org/stable/c/bb83f79f90e92f46466adcfd4fd264a7ae0f0f01 No Types Assigned https://git.kernel.org/stable/c/bb83f79f90e92f46466adcfd4fd264a7ae0f0f01 Patch
    Changed Reference Type https://git.kernel.org/stable/c/f6fe7261b92b21109678747f36df9fdab1e30c34 No Types Assigned https://git.kernel.org/stable/c/f6fe7261b92b21109678747f36df9fdab1e30c34 Patch
    Added CWE NIST CWE-476
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 4.14.331 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.15 up to (excluding) 4.19.300 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.20 up to (excluding) 5.4.262 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.10.202 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.140 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.1.64 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.5.13 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.6 up to (excluding) 6.6.3
  • CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    May. 21, 2024

    Action Type Old Value New Value
    Added 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.
    Added Reference kernel.org https://git.kernel.org/stable/c/930f0aaba4820d6362de4e6ed569eaf444f1ea4e [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/77072ec41d6ab3718c3fc639bc149b8037caedfa [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/b549acf999824d4f751ca57965700372f2f3ad00 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/bb83f79f90e92f46466adcfd4fd264a7ae0f0f01 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/56d78b5495ebecbb9395101f3be177cd0a52450b [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/442fd24d7b6b29e4a9cd9225afba4142d5f522ba [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/f6fe7261b92b21109678747f36df9fdab1e30c34 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/6b9ecf4e1032e645873933e5b43cbb84cac19106 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/4df105f0ce9f6f30cda4e99f577150d23f0c9c5f [No types assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-52809 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2023-52809 weaknesses.

CVSS31 - Vulnerability Scoring System
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