critical9.8
CVE-2021-47168
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 tw…
Impact
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
| Vendor | Product | Affected versions |
|---|---|---|
| Linux | Linux Kernel | from 2.6.37 before 4.4.271 from 4.5 before 4.9.271 from 4.10 before 4.14.235 from 4.15 before 4.19.193 from 4.20 before 5.4.124 from 5.5 before 5.10.42 |
Weakness classification
References
- NVD record
- CVE.org record
- https://git.kernel.org/stable/c/769b01ea68b6c49dc3cde6adf7e53927dacbd3a8
- https://git.kernel.org/stable/c/945ebef997227ca8c20bad7f8a8358c8ee57a84a
- https://git.kernel.org/stable/c/9b367fe770b1b80d7bf64ed0d177544a44405f6e
- https://git.kernel.org/stable/c/9d280ab53df1d4a1043bd7a9e7c6a2f9cfbfe040
- https://git.kernel.org/stable/c/b287521e9e94bb342ebe5fd8c3fd7db9aef4e6f1
- https://git.kernel.org/stable/c/d34fb628f6ef522f996205a9e578216bbee09e84
- https://git.kernel.org/stable/c/e411df81cd862ef3d5b878120b2a2fef0ca9cdb1
- https://git.kernel.org/stable/c/f299522eda1566cbfbae4b15c82970fc41b03714
- https://git.kernel.org/stable/c/769b01ea68b6c49dc3cde6adf7e53927dacbd3a8
- https://git.kernel.org/stable/c/945ebef997227ca8c20bad7f8a8358c8ee57a84a
- https://git.kernel.org/stable/c/9b367fe770b1b80d7bf64ed0d177544a44405f6e
- https://git.kernel.org/stable/c/9d280ab53df1d4a1043bd7a9e7c6a2f9cfbfe040
- https://git.kernel.org/stable/c/b287521e9e94bb342ebe5fd8c3fd7db9aef4e6f1
- https://git.kernel.org/stable/c/d34fb628f6ef522f996205a9e578216bbee09e84
- https://git.kernel.org/stable/c/e411df81cd862ef3d5b878120b2a2fef0ca9cdb1
- https://git.kernel.org/stable/c/f299522eda1566cbfbae4b15c82970fc41b03714