SB2025021073 - Incorrect calculation in Linux kernel vfio platform driver
Published: February 10, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025021073
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Incorrect calculation (CVE-ID: CVE-2025-21687)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to incorrect calculation within the vfio_platform_read_mmio() and vfio_platform_write_mmio() functions in drivers/vfio/platform/vfio_platform_common.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/665cfd1083866f87301bbd232cb8ba48dcf4acce
- https://git.kernel.org/stable/c/6bcb8a5b70b80143db9bf12dfa7d53636f824d53
- https://git.kernel.org/stable/c/92340e6c5122d823ad064984ef7513eba9204048
- https://git.kernel.org/stable/c/a20fcaa230f7472456d12cf761ed13938e320ac3
- https://git.kernel.org/stable/c/c981c32c38af80737a2fedc16e270546d139ccdd
- https://git.kernel.org/stable/c/ce9ff21ea89d191e477a02ad7eabf4f996b80a69
- https://git.kernel.org/stable/c/d19a8650fd3d7aed8d1af1d9a77f979a8430eba1
- https://git.kernel.org/stable/c/f21636f24b6786c8b13f1af4319fa75ffcf17f38
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.290