CVE-2023-53603 - CVE House
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Status published Unknown CVE-2023-53603

scsi: qla2xxx: Avoid fcport pointer dereference

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

Linux
Vulnerable Versions:
7b2fbfa4b2cd3a24c1760b85d842e928070d4744, e0fb8ce2bb9e52c846e54ad2c58b5b7beb13eb09, 47b583ad1f7e459689eb1bdd222279a6986ccd69, d2deafaef0330a863b5e046c1154b605588d19f7, 5.15.61, 5.18.18, 5.19.2, 6.0, 0, 5.15.121, 6.1.40, 6.4.5, 6.5

Timeline

Official Publish: October 4th, 2025
Last Modified: May 23rd, 2026
Added to House: July 22nd, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.