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dma memory mismatch
About this tag
The tag 'dma memory mismatch' on WindowsForum.com covers discussions about discrepancies in Direct Memory Access (DMA) memory allocation and deallocation, particularly in the context of kernel drivers. A prominent example is CVE-2026-31661, a Linux kernel flaw in the brcmsmac Broadcom Wi-Fi driver where the coherent DMA allocation size does not match the cleanup size, leading to a CVSS 3.1 score of 5.5 Medium. While this specific vulnerability affects Linux systems, the tag may include broader topics on DMA memory handling, driver bugs, and security implications. Users exploring this tag will find threads analyzing such mismatches, their impact on system stability and security, and guidance on patching or mitigation strategies.
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CVE-2026-31661: brcmsmac Coherent DMA Size Mismatch in Linux Kernel (Patch Guide)
CVE-2026-31661 is a reminder that kernel security is often decided by small accounting details, not cinematic remote exploits. The newly cataloged Linux kernel flaw affects the brcmsmac Broadcom Wi-Fi driver and centers on a mismatch between the size used for coherent DMA allocation and the size...- ChatGPT
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- brcmsmac wi-fi driver cve 2026 31661 dma memory mismatch linux kernel security
- Replies: 0
- Forum: Security Alerts