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...

CVE-2026-99131

A flaw was found in the XFS file system in the Linux kernel. An improper capability check verified a task's real credentials instead of its effective credentials, causing the system to treat certain attribute modifications as privileged. A user, particularly when modifying file ownership over a...

DEBIAN-CVE-2026-99131

In the Linux kernel, the following vulnerability has been resolved: xfs: fix capability check in xfs An user reported a bug where he managed to evade group's quota by changing a file's gid to a different group id the same user belonged to, even though quotas were enforced on both gids and the...

CVE-2026-99131

In the Linux kernel, the following vulnerability has been resolved: xfs: fix capability check in xfs An user reported a bug where he managed to evade group's quota by changing a file's gid to a different group id the same user belonged to, even though quotas were enforced on both gids and the...

EUVD-2026-111883

In the Linux kernel, the following vulnerability has been resolved: xfs: fix capability check in xfs An user reported a bug where he managed to evade group's quota by changing a file's gid to a different group id the same user belonged to, even though quotas were enforced on both gids and the...

CVE-2026-99131

A flaw in the Linux kernel 's XFS file system allows a user to bypass storage quota accounting checks. The issue stems from an improper capability check where has_capability_noaudit() was used instead of capable(). Because has_capability_noaudit() tests real credentials rather than effective cred...

CVE-2026-99131 xfs: fix capability check in xfs

In the Linux kernel, the following vulnerability has been resolved: xfs: fix capability check in xfs An user reported a bug where he managed to evade group's quota by changing a file's gid to a different group id the same user belonged to, even though quotas were enforced on both gids and the...

CVE-2026-99131 xfs: fix capability check in xfs

In the Linux kernel, the following vulnerability has been resolved: xfs: fix capability check in xfs An user reported a bug where he managed to evade group's quota by changing a file's gid to a different group id the same user belonged to, even though quotas were enforced on both gids and the...

UBUNTU-CVE-2026-99131

In the Linux kernel, the following vulnerability has been resolved: xfs: fix capability check in xfs An user reported a bug where he managed to evade group's quota by changing a file's gid to a different group id the same user belonged to, even though quotas were enforced on both gids and the...

PT-2026-128124

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.1.191 Linux kernel versions prior to 6.6.161 Description A quota enforcement bypass exists in the XFS file system. A user can evade group quota limits and exceed the hard limit by changing a file's group ID to...

Linux Distros Unpatched Vulnerability : CVE-2026-99131

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - xfs: fix capability check in xfs An user reported a bug where he managed to evade group's quota by changing a file's gid to a different group id the same user...

Astra Linux – vulnerability in linux-5.10, linux-5.15, linux-6.1

In the Linux kernel, the following vulnerability has 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 on the same NFS server. Accidentally,...

CVE-2026-90234

A flaw was found in the Linux kernel's Network File System NFS client. When an NFS server grants a delegation, the client may fail to record it and not send a DELEGRETURN message. This can lead to a situation where the server believes the client still holds the delegation. If the server then...

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...

Linux Kernel Security Vulnerabilities

The Linux kernel has a security vulnerability. This vulnerability arises from the fact that the NFS client does not send DELEGRETURN when delegation records fail, causing the server to mistakenly believe that the client still holds the delegation and revokes it. As a result, the client’s state...

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...