CVE-2025-22049

MEDIUM EPSS 6.2%
Published Apr 16, 20251y ago · Modified Jun 17, 20262w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Apr 16, 2025 1y ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
6.2% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Affected Products 5

VendorProductVersionRange
linuxlinux_kernel*≥5.19  –  <6.1.134
linuxlinux_kernel*≥6.2  –  <6.6.87
linuxlinux_kernel*≥6.7  –  <6.12.23
linuxlinux_kernel*≥6.13  –  <6.13.11
linuxlinux_kernel*≥6.14  –  <6.14.2

References 7

  • git.kernel.org https://git.kernel.org/stable/c/1d0def2d1658666ec1f32c9495df60e7411e3c82
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/279ec25c2df49fba1cd9488f2ddd045d9cb2112e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/4103cfe9dcb88010ae4911d3ff417457d1b6a720
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/8b82aea3666f8f2c78f86148d78aea99c46e0f82
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/bfff341cac7c650e6ca8d10503725992f5564d0f
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/f39af67f03b564b763b06e44cb960c10a382d54a
    Patch
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/1d0def2d1658666ec1f32c9495df60e7411e3c82
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/279ec25c2df49fba1cd9488f2ddd045d9cb2112e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/4103cfe9dcb88010ae4911d3ff417457d1b6a720
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/8b82aea3666f8f2c78f86148d78aea99c46e0f82
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/bfff341cac7c650e6ca8d10503725992f5564d0f
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/f39af67f03b564b763b06e44cb960c10a382d54a
    Patch