CVE-2023-33250: Linux Kernel

Medium severity, CVSS 4.4. EPSS: 0.3% chance of exploitation in the next 30 days.

The Linux kernel 6.3 has a use-after-free in iopt_unmap_iova_range in drivers/iommu/iommufd/io_pagetable.c.

Affected products

• Linux Linux Kernel: version 6.3 only
• Netapp h300s Firmware: affected versions not specified
• Netapp h410s Firmware: affected versions not specified
• Netapp h500s Firmware: affected versions not specified
• Netapp h700s Firmware: affected versions not specified

Published 2023-05-21. Last modified 2026-06-17.