CVE-2026-31403 | Linux Kernel up to 7.0-rc4 NFSD /proc/fs/nfs/exports exports_proc_open file descriptor consumption (EUVD-2026-18788)
A vulnerability was found in Linux Kernel up to 7.0-rc4. It has been classified as critical. This vulnerability affects the function exports_proc_open of the file /proc/fs/nfs/exports of the component NFSD. This manipulation causes uncontrolled file descriptor consumption.
This vulnerability is handled as CVE-2026-31403. The attack can only be done within the local network. There is not any exploit available.
Upgrading the affected component is recommended.