CVE-2023-33250
MEDIUMCVSS 4.4/10EPSS 0.25%
Last modified
CVE-2023-33250 is a medium-severity vulnerability rated 4.4/10 on the CVSS scale. The Linux kernel 6.3 has a use-after-free in iopt_unmap_iova_range in drivers/iommu/iommufd/io_pagetable.c.. EPSS estimates a 0.25% chance of exploitation in the next 30 days.
Description
The Linux kernel 6.3 has a use-after-free in iopt_unmap_iova_range in drivers/iommu/iommufd/io_pagetable.c.
Metrics
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | 6.3 |
| Netapp | H300s Firmware | All versions |
| Netapp | H500s Firmware | All versions |
| Netapp | H700s Firmware | All versions |
| Netapp | H410s Firmware | All versions |
References
- https://groups.google.com/g/syzkaller/c/G6P9yecsTZ8/m/iiqFVOM9BwAJMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20230622-0006/Third Party Advisory
- https://groups.google.com/g/syzkaller/c/G6P9yecsTZ8/m/iiqFVOM9BwAJMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20230622-0006/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2023-33250?
CVE-2023-33250 has a CVSS score of 4.4/10 (MEDIUM severity). The EPSS model estimates a 0.25% probability of exploitation in the next 30 days.
How do I fix CVE-2023-33250?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2023-33250?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST