Use After Free in Linux Kernel

CVE-2023-33250

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

Vulnerability class: Use-After-Free

EPSS: 0.003 (16.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-33250?
CVE-2023-33250 is a medium-severity vulnerability in Linux Kernel, classified under Use After Free. CVSS score: 4.4/10. Published 2023-05-21.
How severe is CVE-2023-33250?
Medium severity. CVSS v3 base score is 4.4 out of 10.