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 - 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...

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...

CVE-2026-55392: Improper Validation of Specified Quantity in Input

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...

Unity Linux 20.1060a Security Update: kernel (UTSA-2026-014358)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-014358 advisory. In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix nilfsemptydir misjudgment and long loop on I/O errors The error handling in...

SUSE CVE-2026-31577

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix NULL iassocinode dereference in nilfsmdtsavetoshadowmap The DAT inode's btree node cache iassocinode is initialized lazily during btree operations. However, nilfsmdtsavetoshadowmap assumes iassocinode is already...

DEBIAN-CVE-2026-31577

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix NULL iassocinode dereference in nilfsmdtsavetoshadowmap The DAT inode's btree node cache iassocinode is initialized lazily during btree operations. However, nilfsmdtsavetoshadowmap assumes iassocinode is already...

EUVD-2026-25470

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix NULL iassocinode dereference in nilfsmdtsavetoshadowmap The DAT inode's btree node cache iassocinode is initialized lazily during btree operations. However, nilfsmdtsavetoshadowmap assumes iassocinode is already...

Unity Linux 20.1050e / 20.1060e Security Update: kernel (UTSA-2026-013404)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013404 advisory. In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix nilfsemptydir misjudgment and long loop on I/O errors The error handling in...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013663)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013663 advisory. In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix potential UAF of struct nilfsscinfo in nilfssegctorthread The finalization of...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-010998)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-010998 advisory. In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix potential UAF of struct nilfsscinfo in nilfssegctorthread The finalization of...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-011398)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011398 advisory. In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix OOB in nilfssetdetype The size of the nilfstypebymode array in the fs/nilfs2/dir.c fi...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-006938)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006938 advisory. In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix kernel-infoleak in nilfsioctlwrapcopy The ioctl helper function nilfsioctlwrapcopy,...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013051)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013051 advisory. In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix infinite loop in nilfsmdtgetblock If the disk image that nilfs2 mounts is corrupted a...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-013291)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013291 advisory. In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix kernel-infoleak in nilfsioctlwrapcopy The ioctl helper function nilfsioctlwrapcopy,...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007302)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007302 advisory. In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix OOB in nilfssetdetype The size of the nilfstypebymode array in the fs/nilfs2/dir.c fi...

The vulnerability of the nilfs_segctor_thread() function in the fs/nilfs2/segment.c file of the NILFS2 file system of the Linux operating system allows a hacker to trigger a service failure.

The vulnerability of the nilfssegctorthread function in the fs/nilfs2/segment.c file of the NILFS2 file system in the Linux operating system is related to the repeated use of previously freed memory. Exploiting this vulnerability could allow an attacker to cause a service failure...

Oracle Linux 7 : kernel (ELSA-2026-3685)

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-3685 advisory. - ext4: fix use-after-free in ext4orphancleanup CVE-2022-50673 Orabug: 39036029 - Squashfs: check return result of sbminblocksize CVE-2025-38415 Orabug...