CVE-2026-31403

CVE-2026-31403 is a Linux kernel vulnerability affecting NFSD where a proc entry (/proc/fs/nfs/exports) captured the caller’s network namespace without holding a reference. If the namespace is torn down after opening the exports fd (e.g., container destruction with setns), nfsd_net_exit() may fre...

PT-2026-30186

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw in the Network File System Daemon NFSD related to handling network namespace references for the /proc/fs/nfs/exports file descriptor. Specifically, the...

AZL-50785 CVE-2024-47737 affecting package kernel for versions less than 5.15.173.1-1

In the Linux kernel, the following vulnerability has been resolved: nfsd: call cacheput if xdrreservespace returns NULL If not enough buffer space available, but idmaplookup has triggered lookupfn which calls cacheget and returns successfully. Then we missed to call cacheput here which pairs with...