CVE-2023-52809

Advisory lineage Upstream: 0 Downstream: 20
Modified
Published: 21 May 2024, 15:31
Last modified:11 May 2026, 19:33

Vulnerability Summary

Overall Risk (default)
low
22/100
CVSS Score
5.5 MEDIUM
v3.1 (nvd)
EPSS Score
<0.01% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

21 May 2024, 15:31
Published
Vulnerability first disclosed
11 May 2026, 19:33
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Trends

Current EPSS score: 0.01%• Percentile: 1%

Techniques & Countermeasures

  • CWE-476•NULL Pointer Dereference

    The product dereferences a pointer that it expects to be valid but is NULL.

Affected Systems

  • linux•linux

    ≥ 42e9a92fe6a9095bd68a379aaec7ad2be0337f7a, < 930f0aaba4820d6362de4e6ed569eaf444f1ea4e | ≥ 42e9a92fe6a9095bd68a379aaec7ad2be0337f7a, < 77072ec41d6ab3718c3fc639bc149b8037caedfa | ≥ 42e9a92fe6a9095bd68a379aaec7ad2be0337f7a, < b549acf999824d4f751ca57965700372f2f3ad00 | ≥ 42e9a92fe6a9095bd68a379aaec7ad2be0337f7a, < bb83f79f90e92f46466adcfd4fd264a7ae0f0f01 | ≥ 42e9a92fe6a9095bd68a379aaec7ad2be0337f7a, < 56d78b5495ebecbb9395101f3be177cd0a52450b | ≥ 42e9a92fe6a9095bd68a379aaec7ad2be0337f7a, < 442fd24d7b6b29e4a9cd9225afba4142d5f522ba | ≥ 42e9a92fe6a9095bd68a379aaec7ad2be0337f7a, < f6fe7261b92b21109678747f36df9fdab1e30c34 | ≥ 42e9a92fe6a9095bd68a379aaec7ad2be0337f7a, < 6b9ecf4e1032e645873933e5b43cbb84cac19106 | ≥ 42e9a92fe6a9095bd68a379aaec7ad2be0337f7a, < 4df105f0ce9f6f30cda4e99f577150d23f0c9c5f | 2.6.29

  • linux•linux_kernel

    < 4.14.331 | ≥ 4.15, < 4.19.300 | ≥ 4.20, < 5.4.262 | ≥ 5.5, < 5.10.202 | ≥ 5.11, < 5.15.140 | ≥ 5.16, < 6.1.64 | ≥ 6.2, < 6.5.13 | ≥ 6.6, < 6.6.3

References (9)