CVE-2021-47168: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.8% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: NFS: fix an incorrect limit in filelayout_decode_layout() The "sizeof(struct nfs_fh)" is two bytes too large and could lead to memory corruption. It should be NFS_MAXFHSIZE because that's the size of the ->data[] buffer. I reversed the size of the arguments to put the variable on the left.

Affected products

• Linux Linux Kernel: from 2.6.37, before 4.4.271 (fixed in 4.4.271); from 4.5, before 4.9.271 (fixed in 4.9.271); from 4.10, before 4.14.235 (fixed in 4.14.235); from 4.15, before 4.19.193 (fixed in 4.19.193); from 4.20, before 5.4.124 (fixed in 5.4.124); from 5.5, before 5.10.42 (fixed in 5.10.42); …

Published 2024-03-25. Last modified 2026-08-04.