CVE-2026-42442 NanaZip: Null-pointer dereference in NanaZip UFS parser when root inode is a symlink

NanaZip is an open source file archive. From 5.0.1252.0 to before 6.0.1698.0, a null-pointer dereference exists in the UFS/UFS2 filesystem image parser in NanaZip. The vulnerability is triggered when opening a crafted UFS image where the root inode inode 2 is set to IFLNK symlink instead of IFDIR...

CVE-2026-42442 NanaZip: Null-pointer dereference in NanaZip UFS parser when root inode is a symlink

NanaZip is an open source file archive. From 5.0.1252.0 to before 6.0.1698.0, a null-pointer dereference exists in the UFS/UFS2 filesystem image parser in NanaZip. The vulnerability is triggered when opening a crafted UFS image where the root inode inode 2 is set to IFLNK symlink instead of IFDIR...

EUVD-2026-29787

NanaZip is an open source file archive. From 5.0.1252.0 to before 6.0.1698.0, a null-pointer dereference exists in the UFS/UFS2 filesystem image parser in NanaZip. The vulnerability is triggered when opening a crafted UFS image where the root inode inode 2 is set to IFLNK symlink instead of IFDIR...

CLSA-2026-1778599722 Fix CVE(s): CVE-2026-4878

SECURITY UPDATE: TOCTOU race condition in capsetfile - debian/patches/CVE-2026-4878.patch: open the target file and operate on /proc/self/fd/N so the inode is locked between the regular-file check and the xattr update - CVE-2026-4878...

CLSA-2026-1778599539 Fix CVE(s): CVE-2026-4878

SECURITY UPDATE: TOCTOU race condition in capsetfile - debian/patches/CVE-2026-4878.patch: open the target file and operate on /proc/self/fd/N so the inode is locked between the regular-file check and the xattr update - CVE-2026-4878...

SUSE CVE-2026-43420

In the Linux kernel, the following vulnerability has been resolved: ceph: fix inlink underrun during async unlink During async unlink, we drop the inlink counter before we receive the completion that will eventually update the inlink because "we assume that the unlink will succeed". That is not a...

NanaZip 代码问题漏洞

NanaZip is a compression software open source by the M2-Team. Versions of NanaZip from 5.0.1252.0 to 6.0.1698.0 had code-related vulnerabilities. These vulnerabilities stemmed from the UFS/UFS2 file system image parser, which unconditionally treated the root inode as a directory without checking...

PT-2026-40359

NanaZip is an open source file archive. From 5.0.1252.0 to before 6.0.1698.0, an uncontrolled recursion vulnerability exists in the UFS/UFS2 filesystem image parser in NanaZip. The function GetAllPaths recurses into subdirectories without any depth limit or visited-inode tracking. A crafted UFS...

PT-2026-40357

Name of the Vulnerable Software and Affected Versions NanaZip versions 5.0.1252.0 through 6.0.1697.0 Description An integer divide-by-zero issue exists in the UFS/UFS2 filesystem image parser. This occurs when opening a specially crafted UFS image where the superblock field fs ipg inodes per...

PT-2026-40356

Name of the Vulnerable Software and Affected Versions NanaZip versions 5.0.1252.0 through 6.0.1697.0 Description A null-pointer dereference exists in the UFS/UFS2 filesystem image parser. This occurs when opening a specially crafted UFS image where the root inode inode 2 is set to IFLNK symlink...

CVE-2026-43420

A flaw was found in the Linux kernel's Ceph file system client. A race condition during asynchronous file unlink operations can lead to an inlink counter underrun. This vulnerability allows an attacker to trigger a kernel warning, potentially causing system instability and a Denial of Service DoS...

CVE-2026-43420

In the Linux kernel, the following vulnerability has been resolved: ceph: fix inlink underrun during async unlink During async unlink, we drop the inlink counter before we receive the completion that will eventually update the inlink because "we assume that the unlink will succeed". That is not a...

UBUNTU-CVE-2026-43420

In the Linux kernel, the following vulnerability has been resolved: ceph: fix inlink underrun during async unlink During async unlink, we drop the inlink counter before we receive the completion that will eventually update the inlink because "we assume that the unlink will succeed". That is not a...

CVE-2026-43420

CVE-2026-43420 describes a race in Ceph/Linux kernel unlink handling where i_nlink is decremented before completion of async unlink, risking underrun if the updated i_nlink becomes zero. The root cause is updating i_nlink without proper synchronization between ceph_unlink() and MDS responses; the...

CVE-2026-43361

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix transaction abort when snapshotting received subvolumes Currently a user can trigger a transaction abort by snapshotting a previously received snapshot a bunch of times until we reach a BTRFSUUIDKEYRECEIVEDSUBVOL item...

PT-2026-39131

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the NFS implementation where the system fails to return an error when a directory alias is found through nfs3 do create, nfs add or obtain, or d splice alias. In such...

Unity Linux 20.1060a Security Update: kernel (UTSA-2026-016777)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-016777 advisory. In the Linux kernel, the following vulnerability has been resolved: hfsplus: Verify inode mode when loading from disk syzbot is reporting that SIFMT bits of...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the ceph asynchronous unlink operation reducing the inlink counter prematurely before it is...

SUSE CVE-2025-71289

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: handle attrsetsize errors when truncating files If attrsetsize fails while truncating down, the error is silently ignored and the inode may be left in an inconsistent state...

SUSE CVE-2026-43075

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix out-of-bounds write in ocfs2writeendinline KASAN reports a use-after-free write of 4086 bytes in ocfs2writeendinline, called from ocfs2writeendnolock during a copyfilerange splice fallback on a corrupted ocfs2 filesyst...