CVE - CVE-2025-22049

CVE-ID
CVE-2025-22049	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
In the Linux kernel, the following vulnerability has been resolved: LoongArch: Increase ARCH_DMA_MINALIGN up to 16 ARCH_DMA_MINALIGN is 1 by default, but some LoongArch-specific devices (such as APBDMA) require 16 bytes alignment. When the data buffer length is too small, the hardware may make an error writing cacheline. Thus, it is dangerous to allocate a small memory buffer for DMA. It's always safe to define ARCH_DMA_MINALIGN as L1_CACHE_BYTES but unnecessary (kmalloc() need small memory objects). Therefore, just increase it to 16.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://git.kernel.org/stable/c/1d0def2d1658666ec1f32c9495df60e7411e3c82 URL:https://git.kernel.org/stable/c/1d0def2d1658666ec1f32c9495df60e7411e3c82 MISC:https://git.kernel.org/stable/c/279ec25c2df49fba1cd9488f2ddd045d9cb2112e URL:https://git.kernel.org/stable/c/279ec25c2df49fba1cd9488f2ddd045d9cb2112e MISC:https://git.kernel.org/stable/c/4103cfe9dcb88010ae4911d3ff417457d1b6a720 URL:https://git.kernel.org/stable/c/4103cfe9dcb88010ae4911d3ff417457d1b6a720 MISC:https://git.kernel.org/stable/c/8b82aea3666f8f2c78f86148d78aea99c46e0f82 URL:https://git.kernel.org/stable/c/8b82aea3666f8f2c78f86148d78aea99c46e0f82 MISC:https://git.kernel.org/stable/c/bfff341cac7c650e6ca8d10503725992f5564d0f URL:https://git.kernel.org/stable/c/bfff341cac7c650e6ca8d10503725992f5564d0f MISC:https://git.kernel.org/stable/c/f39af67f03b564b763b06e44cb960c10a382d54a URL:https://git.kernel.org/stable/c/f39af67f03b564b763b06e44cb960c10a382d54a
Assigning CNA
kernel.org
Date Record Created
20241229	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20241229)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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