Linux Distros Unpatched Vulnerability : CVE-2026-64359

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - nilfs2: reject CLEANSEGMENTS ioctl with out-of-range segment numbers Syzbot reported a hung task in nilfstransactionbegin where multiple tasks performing chmod ...

MGASA-2026-0280 Updated nilfs-utils packages fix security vulnerability

Undefined Behavior and Out-of-Memory via Unvalidated slogblocksize. CVE-2026-55392...

Updated nilfs-utils packages fix security vulnerability

Undefined Behavior and Out-of-Memory via Unvalidated slogblocksize. CVE-2026-55392...

OESA-2026-2840 nilfs-utils security update

Userspace utilities for creating and mounting NILFS v2 filesystems. Security Fixes: NILFS utilities through 2.3.0, fixed in commit 26efb5d, nilfssbisvalid function fails to validate slogblocksize field in NILFS2 superblock before bit-shift operations. Attackers supplying crafted NILFS2 images...

The vulnerability of the nilfs_valid_sb() function in the fs/nilfs2/the_nilfs.c file of the NILFS2 file system in the Linux operating system allows a attacker to access protected information or cause service failure.

The vulnerability of the nilfsvalidsb function in the fs/nilfs2/thenilfs.c file of the NILFS2 file system in the Linux operating system is related to the improper disabling or release of resources. Exploiting this vulnerability can allow an attacker to access protected information or cause servic...

OPENSUSE-SU-2026:21183-1 Security update for nilfs-utils

This update for nilfs-utils fixes the following issues: Changes in nilfs-utils: - CVE-2026-55392: Fixed undefined behavior in nilfssbisvalid bsc1268553...

SUSE CVE-2026-53320

In the Linux kernel, the following vulnerability has been resolved: nilfs2: reject zero bdoblocknr in nilfsioctlmarkblocksdirty nilfsioctlmarkblocksdirty uses bdoblocknr to detect dead blocks by comparing it with the current block number bdblocknr. If they differ, the block is considered dead and...

EUVD-2026-39855

In the Linux kernel, the following vulnerability has been resolved: nilfs2: reject zero bdoblocknr in nilfsioctlmarkblocksdirty nilfsioctlmarkblocksdirty uses bdoblocknr to detect dead blocks by comparing it with the current block number bdblocknr. If they differ, the block is considered dead and...

CVE-2026-55392

A flaw was found in NILFS utilities. An attacker can exploit this vulnerability by supplying a crafted NILFS2 image. This can lead to undefined behavior, oversized shifts, or out-of-memory conditions, ultimately causing a Denial of Service DoS by crashing tools such as nilfs-tune and dumpseg...

SUSE CVE-2026-55392

NILFS utilities through 2.3.0, fixed in commit 26efb5d, nilfssbisvalid function fails to validate slogblocksize field in NILFS2 superblock before bit-shift operations. Attackers supplying crafted NILFS2 images trigger undefined behavior through oversized shifts or out-of-memory conditions, crashi...

Linux Distros Unpatched Vulnerability : CVE-2026-55392

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - NILFS utilities through 2.3.0, fixed in commit 26efb5d, nilfssbisvalid function fails to validate slogblocksize field in NILFS2 superblock before bit-shift...

CVE-2026-55392

NILFS utilities through 2.3.0, fixed in commit 26efb5d, nilfssbisvalid function fails to validate slogblocksize field in NILFS2 superblock before bit-shift operations. Attackers supplying crafted NILFS2 images trigger undefined behavior through oversized shifts or out-of-memory conditions, crashi...

UBUNTU-CVE-2026-55392

NILFS utilities through 2.3.0, fixed in commit 26efb5d, nilfssbisvalid function fails to validate slogblocksize field in NILFS2 superblock before bit-shift operations. Attackers supplying crafted NILFS2 images trigger undefined behavior through oversized shifts or out-of-memory conditions, crashi...

CVE-2026-55392

NILFS utilities through 2.3.0, fixed in commit 26efb5d, nilfssbisvalid function fails to validate slogblocksize field in NILFS2 superblock before bit-shift operations. Attackers supplying crafted NILFS2 images trigger undefined behavior through oversized shifts or out-of-memory conditions, crashi...

CVE-2026-55392

NILFS utilities through 2.3.0, fixed in commit 26efb5d, nilfssbisvalid function fails to validate slogblocksize field in NILFS2 superblock before bit-shift operations. Attackers supplying crafted NILFS2 images trigger undefined behavior through oversized shifts or out-of-memory conditions, crashi...

EUVD-2026-37927

NILFS utilities through 2.3.0, fixed in commit 26efb5d, nilfssbisvalid function fails to validate slogblocksize field in NILFS2 superblock before bit-shift operations. Attackers supplying crafted NILFS2 images trigger undefined behavior through oversized shifts or out-of-memory conditions, crashi...

CVE-2026-55392

NILFS utilities through 2.3.0, fixed in commit 26efb5d, nilfssbisvalid function fails to validate slogblocksize field in NILFS2 superblock before bit-shift operations. Attackers supplying crafted NILFS2 images trigger undefined behavior through oversized shifts or out-of-memory conditions, crashi...

CVE-2026-55392

CVE-2026-55392 affects NILFS utilities up to version 2.3.0. The root cause is nilfs_sb_is_valid() not validating s_log_block_size in the NILFS2 superblock before bit-shift operations, enabling undefined behavior from oversized shifts and potential out-of-memory conditions that can crash tools lik...

CVE-2026-55392 NILFS utilities - Undefined Behavior and Out-of-Memory via Unvalidated s_log_block_size

NILFS utilities through 2.3.0, fixed in commit 26efb5d, nilfssbisvalid function fails to validate slogblocksize field in NILFS2 superblock before bit-shift operations. Attackers supplying crafted NILFS2 images trigger undefined behavior through oversized shifts or out-of-memory conditions, crashi...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: fs: The UAF/GPF bug in nilfsmdtdestroy has been fixed. In allocinode, if inodeinitalways fails, it may return -ENOMEM. This failure causes inode-iprivate to remain uninitialized. As a result, nilfsismetadatafileinode returns true...