#VU120425 Out-of-bounds read in Linux kernel - CVE-2023-54095
Published: December 26, 2025 / Updated: December 31, 2025
Vulnerability identifier: #VU120425
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-54095
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to an out-of-bounds read error within the fail_iommu_bus_notify() function in arch/powerpc/kernel/iommu.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/075a4dcdbc9a5ea793cb8ec8b78a6c0b7636fd52
- https://git.kernel.org/stable/c/65bf8a196ba25cf65a858b5bb8de80f0aad76691
- https://git.kernel.org/stable/c/6670c65bf863cd0d44ca24d4c10ef6755b8d9529
- https://git.kernel.org/stable/c/a9ddbfed53465bc7c411231db32a488066c0c1be
- https://git.kernel.org/stable/c/c37b6908f7b2bd24dcaaf14a180e28c9132b9c58
- https://git.kernel.org/stable/c/c46af58588253e5e4063bb5ddc78cd12fdf9e55d
- https://git.kernel.org/stable/c/dc0d107e624ca96aef6dd8722eb33ba3a6d157b0
- https://git.kernel.org/stable/c/f08944e3c6962b00827de7263a9e20688e79ad84
- https://git.kernel.org/stable/c/f17d5efaafba3d5f02f0373f7c5f44711d676f3e
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.53