CVE-2026-89663: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: nfsd: revoke copy-notify stateids before dropping their reference Copy-notify stateids live in the s2scpstateids IDR and on their parent stid's sccplist, pinned by a single membership reference. freecpntfstatelocked only unlinks ...

CVE-2026-81002: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: xdp: fix zero-copy frame layout xdpconvertzctoxdpframe clones an XSK packet into an order-0 page and advertises PAGESIZE as its frame size. It allows the copied frame to occupy the page tail needed by skbsharedinfo and records ze...

PT-2026-90331

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the ntfs3 file system where a crafted log record can cause an overflow of the page lcns array. This occurs because the copy lcns loop and the redo shorten loop index...

PT-2026-90318

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the erofs component during the resizing of global buffers. The variable z erofs gbuf nrpages is only advanced after all global buffers have been grown. If a resize...

PT-2026-90428

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists in the nfsd4 ssc expire umount function when iterating through the nn-nfsd ssc mount list. The function drops the nfsd ssc lock to execute mntput on the source...

PT-2026-90067

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An out-of-bounds write exists in the mt7915 mcu get eeprom function. The issue occurs when a fixed EFUSE block is copied into the dev-mt76.eeprom.data buffer using an offset provided by...

PT-2026-90212

Name of the Vulnerable Software and Affected Versions Linux kernel version 6.12.94 Description A memory leak exists in the ocfs2 component of the Linux kernel. This issue is triggered when performing a copy file range operation within the same filesystem. The leak occurs during copy-on-write...

PT-2026-90422

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the nfsd component where the write verifier is not rotated when an asynchronous COPY writeback fails. During an async COPY operation, the system captures the...

PT-2026-96581

In the Linux kernel, the following vulnerability has been resolved: nfsd: sample writeback error cursor before async COPY loop nfsd copy file range samples dst-f wb err into "since" after the copy loop, then uses it to detect writeback errors via filemap check wb err once vfs fsync range returns...

PT-2026-96598

In the Linux kernel, the following vulnerability has been resolved: nfsd: revoke copy-notify stateids before dropping their reference Copy-notify stateids live in the s2s cp stateids IDR and on their parent stid's sc cp list, pinned by a single membership reference. free cpntf state locked only...

PT-2026-96542

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix stale s2s cp stateids IDR entry for async COPY For an async COPY, nfsd4 copy called nfs4 init copy state before dup copy fields, so the s2s cp stateids IDR was pointed at &u-copy-cp stateid -- memory in the per-rqstp...

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...

PT-2026-96366

In the Linux kernel, the following vulnerability has been resolved: nfsd: check client ownership when cancelling a copy-notify stateid On the OFFLOAD CANCEL path clp != NULL, manage cpntf state freed the target cpntf state without checking ownership. The lookup key st-si opaque.so id is allocated...

PT-2026-96333

In the Linux kernel, the following vulnerability has been resolved: nfsd: initialize copy-notify stateid before publishing it nfsd4 copy notify finished initializing the cpntf state after nfs4 alloc init cpntf state had already linked it into the s2s cp stateids IDR and the parent's sc cp list,...

PT-2026-96373

In the Linux kernel, the following vulnerability has been resolved: xdp: fix zero-copy frame layout xdp convert zc to xdp frame clones an XSK packet into an order-0 page and advertises PAGE SIZE as its frame size. It allows the copied frame to occupy the page tail needed by skb shared info and...

PT-2026-96406

In the Linux kernel, the following vulnerability has been resolved: ocfs2: always run deallocs on copy-on-write completion Local fuzzing of 6.12.94 has found the following memory leak caused by doing 'copy file range' within the same filesystem: unreferenced object 0xffff88812192c980 size 32: com...

PT-2026-96439

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix nfsd file leak on inter-server COPY setup failure When nfsd4 setup inter ssc fails, nfsd4 copy returns nfserr offload denied directly, bypassing the out: label where release copy files would drop the nf dst reference...

CVE-2026-89706: Undefined Security Weakness

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 CBOFFLOAD after the worker kthread completes. When the post-copy vfsfsyncrange or...

CVE-2026-89694: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: nfsd: check client ownership when cancelling a copy-notify stateid On the OFFLOADCANCEL path clp != NULL, managecpntfstate freed the target cpntf state without checking ownership. The lookup key st-siopaque.soid is allocated...

CVE-2026-89669: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: nfsd: initialize copy-notify stateid before publishing it nfsd4copynotify finished initializing the cpntf state after nfs4allocinitcpntfstate had already linked it into the s2scpstateids IDR and the parent's sccplist, with cscoun...