#VU111464 Use-after-free in Linux kernel - CVE-2025-38062

Vulnerability identifier: #VU111464

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-38062

CWE-ID: CWE-416

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the iommu_dma_prepare_msi() function in drivers/iommu/dma-iommu.c. A local user can escalate privileges on the system.

Mitigation
Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions

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External links
https://git.kernel.org/stable/c/1f7df3a691740a7736bbc99dc4ed536120eb4746
https://git.kernel.org/stable/c/53f42776e435f63e5f8e61955e4c205dbfeaf524
https://git.kernel.org/stable/c/856152eb91e67858a09e30a7149a1f29b04b7384
https://git.kernel.org/stable/c/ba41e4e627db51d914444aee0b93eb67f31fa330
https://git.kernel.org/stable/c/e4d3763223c7b72ded53425207075e7453b4e3d5

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?