CVE-2023-53603
MEDIUM severity · CVSS 5.5 · CWE-476
5.5CVSS MEDIUM
Summary
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 & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/4406fe8a96a946c7ea5724ee59625755a1d9c59d ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/4406fe8a96a946c7ea5724ee59625755a1d9c59dPatch
- https://git.kernel.org/stable/c/477bc74ad1add644b606bff6ba1284943c42818aPatch
- https://git.kernel.org/stable/c/6b504d06976fe4a61cc05dedc68b84fadb397f77Patch
- https://git.kernel.org/stable/c/7bbeff613ec0560fb2f6f8b405288f3f043adf64Patch