PT-2026-96597

In the Linux kernel, the following vulnerability has been resolved: nfsd: Reset write verifier when async COPY writeback fails Async COPY captures nn-writeverf at request time and reports it to the client via CB OFFLOAD after the worker kthread completes. When the post-copy vfs fsync range or...

CVE-2026-89671: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: nfsd: gate nfs3 setacl by argp-mask nfsd3procsetacl calls setposixacl unconditionally for both ACLTYPEACCESS and ACLTYPEDEFAULT, passing argp-aclaccess and argp-acldefault verbatim. The NFSv3 ACL decoder only populates those...

CVE-2026-89680: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix nfsdfile leak on inter-server COPY setup failure When nfsd4setupinterssc fails, nfsd4copy returns nfserroffloaddenied directly, bypassing the out: label where releasecopyfiles would drop the nfdst reference taken by...

CVE-2026-89685: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix clock domain mismatch in clientsstillreclaiming clientsstillreclaiming computes a deadline from nn-boottime CLOCKREALTIME, 1.7 billion but compares it against ktimegetboottimeseconds CLOCKBOOTTIME, seconds since boot. T...

CVE-2026-89704: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: nfsd: sample writeback error cursor before async COPY loop nfsdcopyfilerange samples dst-fwberr into "since" after the copy loop, then uses it to detect writeback errors via filemapcheckwberr once vfsfsyncrange returns. Because t...

PT-2026-90385

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 7.2.6-1.1 Description A use-after-free issue exists in the nfsd4 copy notify function. The cpntf state was being initialized after nfs4 alloc init cpntf state had already linked it into the s2s cp stateids IDR an...

PT-2026-90396

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 7.2.6-1.1 Description A resource leak occurs in the nfsd component during an inter-server COPY setup failure. When the function nfsd4 setup inter ssc fails, the nfsd4 copy function returns an error directly,...

PT-2026-90406

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the nfsd component. The rpc status netlink dumpit iterates through in-flight svc rqst under rcu read lock and reads operation numbers from the args-ops...

PT-2026-90419

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the nfsd component. The function nfsd4 drop revoked stid handles FREE STATEID for admin-revoked delegations but fails to set SC STATUS FREED before...

PT-2026-90423

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A reference leak occurs in the nfsd cross mnt function when follow down returns a negative value. The function initializes a local path structure using mntget and dget, but fails to call...

CVE-2026-89665: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: nfsd: reject out-of-range useconds in NFSv2 SETATTR/CREATE The NFSv2 sattr decoder converts the wire useconds to nanoseconds in svcxdrdecodesattr: iap-iaatime.tvnsec = tmp2 NSECPERUSEC; tmp2 is a u32 and NSECPERUSEC is 1000, so t...

CVE-2026-89673: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix XDR padding calculation in ffencodegetdeviceinfo nfsd4ffencodegetdeviceinfo computes the daaddrbody reservation as 16 + netidlen + addrlen, but the subsequent xdrencodeopaque calls emit 8 + roundupnetidlen, 4 +...

CVE-2026-89702: Undefined Security Weakness

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...

PT-2026-90379

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free flaw exists in the nfsd copy-notify stateids. The issue occurs because free cpntf state locked only unlinks an entry when its reference count reaches zero. If a revoke...

PT-2026-96416

In the Linux kernel, the following vulnerability has been resolved: nfsd: add fh want write for early-verified SETATTR 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 ru...

PT-2026-96457

In the Linux kernel, the following vulnerability has been resolved: nfsd: size fh verify server sockaddr slot by xpt locallen The nfsd fh verify and nfsd fh verify err tracepoints declare the server sockaddr slot sized by xpt remotelen but fill it from xpt local using xpt locallen: TP STRUCT entr...

PT-2026-96459

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix BUG ON in nfsd4 alloc layout stateid on racing delegation revoke nfsd4 alloc layout stateid reads fp-fi deleg file without holding fi lock when the parent stateid is a delegation. A concurrent delegation revoke via the...

PT-2026-96489

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix clock domain mismatch in clients still reclaiming clients still reclaiming computes a deadline from nn-boot time CLOCK REALTIME, 1.7 billion but compares it against ktime get boottime seconds CLOCK BOOTTIME, seconds sin...

PT-2026-96583

In the Linux kernel, the following vulnerability has been resolved: nfsd: gate nfs3 setacl by argp-mask nfsd3 proc setacl calls set posix acl unconditionally for both ACL TYPE ACCESS and ACL TYPE DEFAULT, passing argp-acl access and argp-acl default verbatim. The NFSv3 ACL decoder only populates...

PT-2026-90400

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists in the nfsd component during the publication of cpntf entries in nfs4 init cp state. The function nfs4 alloc init cpntf state publishes a new entry into the s2s c...