cve-2026-43687

CVE-2026-43687 — Reverse engineering notes and reproduction Independent reverse engineering of the macOS NFS client access-cache race CVE-2026-43687, plus a working PoC that triggers the race and captures it live with dtrace. The bug is an unsynchronized read of the nfsnode access-cache pointer i...

ROS-20260930-73-0045

The vulnerability of the nfs4ffallocdeviceidnode function in the fs/nfs/flexfilelayout/flexfilelayoutdev.c module, which is part of the NFS client support in Linux operating systems, is related to improper memory release. Exploiting this vulnerability could allow a remote attacker to cause servic...

ROS-20260929-73-0114

The vulnerability of the pnfsmarklayoutstateidinvalid function in the fs/nfs/pnfs.c module relates to errors during link counters updates in Linux kernel-based NFS client support. Exploiting this vulnerability can allow attackers to compromise the confidentiality, integrity, and accessibility of...

ROS-20260928-73-0124

The vulnerability of the nfs4setupreaddir function in the fs/nfs/nfs4proc.c module, which is part of the NFS client support in Linux kernel, relates to the pointer manipulation. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility o...

ROS-20260923-73-0065

The vulnerability of the nfsfiledirectread function in the fs/nfs/direct.c module, which is part of the NFS client support in Linux kernel, is related to data processing errors. Exploiting this vulnerability can allow an attacker to cause service failures...

SUSE CVE-2026-89707

In the Linux kernel, the following vulnerability has been resolved: nfsd: release path refs on followdown error nfsdcrossmnt initializes a local struct path with mntget and dget before calling followdown. On a negative return the error arm jumps to out without releasing those references: err =...

CVE-2026-43686

A use-after-free issue was addressed with improved memory management. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27, watchOS 27. Connecting to a malicious NFS server may lead to kernel memory...

CVE-2026-84549

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Connecting to a malicious NFS server may cause unexpected system termination or corrupt kernel memory...

CVE-2026-84549

CVE-2026-84549 is an out-of-bounds read in the NFS client on macOS, addressed with improved bounds checking. Connecting to a malicious NFS server may cause unexpected system termination or corrupted kernel memory . The NVD assigns a CVSS 3.1 score of 7.5 (High) with a vector of AV:N/AC:L/PR:N/UI:...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: NFSv4: Prevent NULL-pointer dereference in nfs42completecopies On the node of an NFS client, some files saved in the mountpoint of the NFS server were copied to another location of the same NFS server. Accidentally, the...

CVE-2026-89698

A flaw was found in the Linux kernel's nfsd component. When an IPv6 NFS client is connected, the nfsdgenlrpcstatuscomposemsg function incorrectly handles address fields, leading to an out-of-bounds read. A local unprivileged attacker can exploit this vulnerability to disclose sensitive kernel...

DEBIAN-CVE-2026-89707

In the Linux kernel, the following vulnerability has been resolved: nfsd: release path refs on followdown error nfsdcrossmnt initializes a local struct path with mntget and dget before calling followdown. On a negative return the error arm jumps to out without releasing those references: err =...

CVE-2026-89707

In the Linux kernel, the following vulnerability has been resolved: nfsd: release path refs on followdown error nfsdcrossmnt initializes a local struct path with mntget and dget before calling followdown. On a negative return the error arm jumps to out without releasing those references: err =...

AZL-100529 CVE-2026-89707 affecting package kernel for versions less than 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: nfsd: release path refs on followdown error nfsdcrossmnt initializes a local struct path with mntget and dget before calling followdown. On a negative return the error arm jumps to out without releasing those references: err =...

CVE-2026-89707

In the Linux kernel, the following vulnerability has been resolved: nfsd: release path refs on followdown error nfsdcrossmnt initializes a local struct path with mntget and dget before calling followdown. On a negative return the error arm jumps to out without releasing those references: err =...

EUVD-2026-76626

In the Linux kernel, the following vulnerability has been resolved: NFS: fix delegationhashtable leak when nfs4servercommonsetup fails nfs4servercommonsetup allocates server-delegationhashtable first, but server-destroy - the only path that frees the table via nfs4destroyserver - is not assigned...

CVE-2026-89714

This Linux kernel vulnerability affects the NFSv4 client subsystem. The root cause is a memory leak of server->delegation_hash_table (4 KiB per attempt with the default delegation watermark) when nfs4_server_common_setup() fails at an intermediate step (is_ds_only_client(), nfs4_init_session()...

PT-2026-90257

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the SUNRPC component where the gss unwrap resp priv function improperly validates the RPCSEC GSS opaque length. Because the sum of offset and opaque len is computed...

CVE-2026-89707: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: nfsd: release path refs on followdown error nfsdcrossmnt initializes a local struct path with mntget and dget before calling followdown. On a negative return the error arm jumps to out without releasing those references: err =...

Fedora 43 : libnfs (2026-2e196b6fa5)

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-2e196b6fa5 advisory. Fixes CVE-2026-57918 and CVE-2026-53689 Tenable has extracted the preceding description block directly from the Fedora security advisory. Note that...