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

Medium severity · published May 21, 2023

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

4.4

CVSS

0.2%

EPSS

On KEV

Description

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

CVSS vector

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

Attack vector

Local

Complexity

Low

Privileges

High

User interaction

None

Confidentiality

None

Integrity

None

Availability

High

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)0.2% · higher than 16% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Kernel · Linux

6.3 · source: NVD

H300s Firmware · Netapp

All versions, or not specified · source: NVD

H410s Firmware · Netapp

All versions, or not specified · source: NVD

H500s Firmware · Netapp

All versions, or not specified · source: NVD

H700s Firmware · Netapp

All versions, or not specified · source: NVD

Affected product

Kernel

Linux

All Kernel CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2023-33250

CVE.org

https://www.cve.org/CVERecord?id=CVE-2023-33250

bugzilla.suse.com

https://bugzilla.suse.com/show_bug.cgi?id=1211597

git.kernel.org

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=804ca14d04df09bf7924bacc5ad22a4bed80c94f

git.kernel.org

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=dbe245cdf5189e88d680379ed13901356628b650

Mailing List

https://groups.google.com/g/syzkaller/c/G6P9yecsTZ8/m/iiqFVOM9BwAJ

lore.kernel.org

https://lore.kernel.org/linux-iommu/ZDabT%2FuRl%2FjxFhm0%40ip-172-31-85-199.ec2.internal/T/

Third Party Advisory

https://security.netapp.com/advisory/ntap-20230622-0006/