CVE-2023-53603
MEDIUMLinux Kernel 5.15.61-5.15.120 - NULL Pointer Dereference in SCSI qla2xxx fcport Handling
Title source: llmDescription
In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Avoid fcport pointer dereference Klocwork reported warning of NULL pointer may be dereferenced. The routine exits when sa_ctl is NULL and fcport is allocated after the exit call thus causing NULL fcport pointer to dereference at the time of exit. To avoid fcport pointer dereference, exit the routine when sa_ctl is NULL.
References (4)
Core 4
Core References
Scores
CVSS v3
5.5
EPSS
0.0013
EPSS Percentile
3.2%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-476
Status
published
Products (16)
Linux/Linux
< 6.0
Linux/Linux
47b583ad1f7e459689eb1bdd222279a6986ccd69
Linux/Linux
5.15.121 - 5.15.*
Linux/Linux
5.15.61 - 5.15.121
Linux/Linux
5.18.18 - 5.19
Linux/Linux
5.19.2 - 5.20
Linux/Linux
6.0
Linux/Linux
6.1.40 - 6.1.*
Linux/Linux
6.4.5 - 6.4.*
Linux/Linux
6.5
... and 6 more
Published
Oct 04, 2025
Tracked Since
Feb 18, 2026