CVE-2026-89702 nfsd: size fh_verify server sockaddr slot by xpt_locallen

In the Linux kernel, the following vulnerability has been resolved: nfsd: size fhverify server sockaddr slot by xptlocallen The nfsdfhverify and nfsdfhverifyerr tracepoints declare the server sockaddr slot sized by xptremotelen but fill it from xptlocal using xptlocallen: TPSTRUCTentry...

CVE-2026-89697

CVE-2026-89697 is a CRITICAL (CVSS 9.1) vulnerability in the Linux kernel's nfsd (NFS Daemon). In nfsd_proc_setattr(), the BOTH_TIME_SET branch calls fh_verify() early so setattr_prepare() can inspect the dentry. This causes nfsd_setattr() to skip fh_want_write(), so notify_change() runs without ...

CVE-2026-89697

In the Linux kernel, the following vulnerability has been resolved: nfsd: add fhwantwrite for early-verified SETATTR in nfsdprocsetattr The BOTHTIMESET branch calls fhverify early so setattrprepare can inspect the dentry. This causes nfsdsetattr to skip fhwantwrite, so notifychange runs without a...

Bad ext3/nfs DoS bug

I've tried contacting the relevant maintainers directly, and it's even in the kernel bugzilla, but nothing's happened and it's been over a month now. No-one seems to be doing anyting about this. Is one meant to post this to bugtraq or what? Here's the bug:...