Buffer overflow in Linux kernel - CVE-2023-52455
Published: June 24, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU93166
CSH Severity: Low
CVSS v4.0: 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-2023-52455
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to execute arbitrary code.
The vulnerability exists due to memory corruption within the of_iommu_get_resv_regions() function in drivers/iommu/of_iommu.c. A local user can execute arbitrary code.
How to mitigate CVE-2023-52455
Install update from vendor's website.
Sources
- https://git.kernel.org/stable/c/98b8a550da83cc392a14298c4b3eaaf0332ae6ad
- https://git.kernel.org/stable/c/5e23e283910c9f30248732ae0770bcb0c9438abf
- https://git.kernel.org/stable/c/bb57f6705960bebeb832142ce9abf43220c3eab1
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8