CVE-2023-53603

5.5 mediumEPSS 0.1%

Medium (5.5) in linux linux kernel. EPSS 0.1% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

5.5 medium

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

EPSS: 0.1% chance of exploitation in the next 30 days; higher than 3% of CVEs (scores of 2026-10-31)
CWE: CWE-476
Published: 2025-10-04
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

linux:linux_kernel

References

https://git.kernel.org/stable/c/4406fe8a96a946c7ea5724ee59625755a1d9c59d
https://git.kernel.org/stable/c/477bc74ad1add644b606bff6ba1284943c42818a
https://git.kernel.org/stable/c/6b504d06976fe4a61cc05dedc68b84fadb397f77
https://git.kernel.org/stable/c/7bbeff613ec0560fb2f6f8b405288f3f043adf64

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