CVE-2026-89669

CVE-2026-89669 is a use-after-free in the Linux kernel's nfsd (NFS server) component. The copy-notify state ID was published into the s2s_cp_stateids IDR before its cp_p_stateid/cp_p_clid fields were fully initialized. A racing OFFLOAD_CANCEL with a crafted client ID and guessable sequence number...

CVE-2026-89669 nfsd: initialize copy-notify stateid before publishing it

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...

CVE-2026-89669 nfsd: initialize copy-notify stateid before publishing it

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...

CVE-2026-89663

CVE-2026-89663 is a use-after-free vulnerability in the Linux kernel's nfsd (Network File System Daemon) subsystem, specifically in the revocation of copy-notify stateids. The root cause is that _free_cpntf_state_locked() drops a reference without unlinking the entry when a concurrent holder has ...

CVE-2026-89663 nfsd: revoke copy-notify stateids before dropping their reference

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 ...

EUVD-2026-76575

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-2026-89663 nfsd: revoke copy-notify stateids before dropping their reference

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-2026-89663

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-2026-89694: 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...

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-2026-90379

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...

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 ...

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-2026-90410

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the nfsd component where the manage cpntf state function fails to verify client ownership when cancelling a copy-notify stateid on the OFFLOAD CANCEL path. Because the...

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...

kernel: smb: client: fix change notify replay double-free

A flaw was found in the Linux kernel's Server Message Block SMB client. This vulnerability occurs due to a double-free error when handling change notify replies. If a response attempt returns a replayable error and frees its buffer, and then SMB2notifyinit fails, the same buffer can be freed agai...

PT-2026-91331

In the Linux kernel, the following vulnerability has been resolved: netfilter: nf tables: don't queue packet path object notifications All file:line references below are against v7.2-rc4 ac5b0e5651b1. The trace was captured on 7.2.0-rc6-kasan72rc6 075b74841bd0, where the same lines apply. nft obj...

CVE-2026-9852

A CSV injection vulnerability exists in SYS600. Injected malicious formulas can add or modify data to the spreadsheet, insert links, exfiltrate data, and in some cases, depending on how the user has their environment configured, execute malicious code on the user’s machine. To exploit this issue...

CVE-2026-9852

A CSV injection vulnerability exists in SYS600. Injected malicious formulas can add or modify data to the spreadsheet, insert links, exfiltrate data, and in some cases, depending on how the user has their environment configured, execute malicious code on the user’s machine. To exploit this issue...

EUVD-2026-70321

A CSV injection vulnerability exists in SYS600. Injected malicious formulas can add or modify data to the spreadsheet, insert links, exfiltrate data, and in some cases, depending on how the user has their environment configured, execute malicious code on the user’s machine. To exploit this issue...