CVE-2026-89664

A flaw was found in the Linux kernel's Network File System Daemon nfsd. When processing malformed NFSv4 OPEN compound operations that include valid Portable Operating System Interface POSIX Access Control List ACL attributes, the kernel fails to release allocated memory resources. This oversight...

CVE-2026-89668

A flaw was found in the nfsd component of the Linux kernel. The nfsddebugfsinit function is called before nfsd4initslabs. If the slab allocation fails, the nfsddebugfsexit cleanup function is bypassed, leaving orphaned debugfs files with stale function pointers. This can lead to a use-after-free...

Linux Distros Unpatched Vulnerability : CVE-2026-89660

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - NFSD: Prevent client use-after-free during admin state revocation A stateid holds only a bare pointer to its nfs4client; a stateid reference does not pin it. Th...

Linux Distros Unpatched Vulnerability : CVE-2026-89712

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - NFSD: restart sscexpireumount walk after dropping nfsdssclock nfsd4sscexpireumount walks nn-nfsdsscmountlist with listforeachentrysafeni, tmp, .... For each...

Linux Distros Unpatched Vulnerability : CVE-2026-89694

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - nfsd: check client ownership when cancelling a copy-notify stateid On the OFFLOADCANCEL path clp != NULL, managecpntfstate freed the target cpntf state without...

Linux Distros Unpatched Vulnerability : CVE-2026-89679

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - nfsd: fix null dereference in nfsd4setattr for deleg timestamp attrs When a SETATTR request includes FATTR4WORD2TIMEDELEGACCESS or FATTR4WORD2TIMEDELEGMODIFY in...

Linux Distros Unpatched Vulnerability : CVE-2026-89683

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - nfsd: fix dentry ref leak on V4ROOT export filehandle lookup nfsdsetfhdentry leaks the dentry reference from exportfsdecodefhraw when the NFS3FHSIZE or NFSFHSIZ...

Linux Distros Unpatched Vulnerability : CVE-2026-89674

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - nfsd: fix XDR length calculation in nfsd4ffencodelayoutget The XDR buffer size calculation in nfsd4ffencodelayoutget has multiple errors that can result in eith...

Linux Distros Unpatched Vulnerability : CVE-2026-89664

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - nfsd: release OPEN-decoded posix ACLs via oprelease nfsd4decodecreatehow4 calls nfsd4decodefattr4, which allocates refcounted struct posixacl objects via...

Linux Distros Unpatched Vulnerability : CVE-2026-89680

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - nfsd: fix nfsdfile leak on inter-server COPY setup failure When nfsd4setupinterssc fails, nfsd4copy returns nfserroffloaddenied directly, bypassing the out: lab...

Linux Distros Unpatched Vulnerability : CVE-2026-89686

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - nfsd: fix BUGON in nfsd4alloclayoutstateid on racing delegation revoke nfsd4alloclayoutstateid reads fp-fidelegfile without holding filock when the parent state...

Linux Distros Unpatched Vulnerability : CVE-2026-89713

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - NFSD: check truncate permission under inode lock nfsdsetattr checks whether a size update needs NFSDMAYTRUNC before it takes inodelock. The comparison uses the...

Linux Distros Unpatched Vulnerability : CVE-2026-89699

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - nfsd: validate symlink target length in NFSv4 CREATE nfsd4decodecreate accepts an unbounded crdatalen from the wire for NF4LNK symlink targets, allowing a clien...

Linux Distros Unpatched Vulnerability : CVE-2026-89676

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - nfsd: fix stale s2scpstateids IDR entry for async COPY For an async COPY, nfsd4copy called nfs4initcopystate before dupcopyfields, so the s2scpstateids IDR was...

Linux Distros Unpatched Vulnerability : CVE-2026-89708

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - nfsd: RCU-protect clcbsession to fix use-after-free on session teardown After a DESTROYSESSION the per- session teardown path can free a session while rpciod...

Linux Distros Unpatched Vulnerability : CVE-2026-89671

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - nfsd: gate nfs3 setacl by argp-mask nfsd3procsetacl calls setposixacl unconditionally for both ACLTYPEACCESS and ACLTYPEDEFAULT, passing argp-aclaccess and...

Linux Distros Unpatched Vulnerability : CVE-2026-89703

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - nfsd: set SCSTATUSFREED in nfsd4droprevokedstid for delegations nfsd4droprevokedstid handles FREESTATEID for admin-revoked delegations but does not set...

Linux Distros Unpatched Vulnerability : CVE-2026-89670

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - nfsd: hold rcu across localio cmpxchg retry nfsdfile objects are freed via callrcu filecache.c:296, and nfsdfileslab is created without SLABTYPESAFEBYRCU...

Linux Distros Unpatched Vulnerability : CVE-2026-89677

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - nfsd: fix possible fhcompose of wrong dentry in nfsd4createfile dentrycreate can hypothetically provide a different dentry than the one passed in. This could...

Linux Distros Unpatched Vulnerability : CVE-2026-89689

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - nfsd: don't free session slots that are still in use nfsd4sequence can free the very slot it is currently processing. When the session shrinker has reduced...