Ubuntu: Security Advisory (USN-6001-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

A use-after-free flaw was found in the Linux kernel’s Ext4 File System in how a user triggers several file operations simultaneously with the overlay FS usage. This flaw allows a local user to crash or potentially escalate their privileges on the system. Only if patch 9a2544037600 ("ovl: fix use after free in struct ovl_aio_req") not applied yet the kernel could be affected.

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Linux kernel Ext4 file system memory misreference vulnerability

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. The Linux kernel suffers from a memory misreference vulnerability that stems from a mix-up in the instructions responsible for freeing memory in the Ext4 file system, which cou...

AZL-25741 CVE-2023-1252 affecting package kernel for versions less than 5.15.107.1-2

A use-after-free flaw was found in the Linux kernel’s Ext4 File System in how a user triggers several file operations simultaneously with the overlay FS usage. This flaw allows a local user to crash or potentially escalate their privileges on the system. Only if patch 9a2544037600 "ovl: fix use...

DEBIAN-CVE-2023-1252

A use-after-free flaw was found in the Linux kernel’s Ext4 File System in how a user triggers several file operations simultaneously with the overlay FS usage. This flaw allows a local user to crash or potentially escalate their privileges on the system. Only if patch 9a2544037600 "ovl: fix use...

CVE-2023-1252

A use-after-free flaw was found in the Linux kernel’s Ext4 File System in how a user triggers several file operations simultaneously with the overlay FS usage. This flaw allows a local user to crash or potentially escalate their privileges on the system. Only if patch 9a2544037600 "ovl: fix use...

CVE-2023-1252

A use-after-free flaw was found in the Linux kernel’s Ext4 File System in how a user triggers several file operations simultaneously with the overlay FS usage. This flaw allows a local user to crash or potentially escalate their privileges on the system. Only if patch 9a2544037600 "ovl: fix use...

Design/Logic Flaw

A use-after-free flaw was found in the Linux kernel’s Ext4 File System in how a user triggers several file operations simultaneously with the overlay FS usage. This flaw allows a local user to crash or potentially escalate their privileges on the system. Only if patch 9a2544037600 "ovl: fix use...

CVE-2023-1252

A use-after-free flaw was found in the Linux kernel’s Ext4 File System in how a user triggers several file operations simultaneously with the overlay FS usage. This flaw allows a local user to crash or potentially escalate their privileges on the system. Only if patch 9a2544037600 "ovl: fix use...

UBUNTU-CVE-2023-1252

A use-after-free flaw was found in the Linux kernel’s Ext4 File System in how a user triggers several file operations simultaneously with the overlay FS usage. This flaw allows a local user to crash or potentially escalate their privileges on the system. Only if patch 9a2544037600 "ovl: fix use...

CVE-2023-1252

A use-after-free flaw was found in the Linux kernel’s Ext4 File System in how a user triggers several file operations simultaneously with the overlay FS usage. This flaw allows a local user to crash or potentially escalate their privileges on the system. Only if patch 9a2544037600 "ovl: fix use...

CVE-2023-1252

A use-after-free flaw was found in the Linux kernel’s Ext4 File System in how a user triggers several file operations simultaneously with the overlay FS usage. This flaw allows a local user to crash or potentially escalate their privileges on the system. Only if patch 9a2544037600 "ovl: fix use...

CVE-2023-1252: Use After Free

A use-after-free flaw was found in the Linux kernel’s Ext4 File System in how a user triggers several file operations simultaneously with the overlay FS usage. This flaw allows a local user to crash or potentially escalate their privileges on the system. Only if patch 9a2544037600 "ovl: fix use...

CVE-2023-1252

CVE-2023-1252 is a Linux kernel use-after-free in the Ext4 file system when overlayfs triggers multiple file operations. The vulnerability arises from a use-after-free in ovl_aio_req; if unpatched, the local attacker could crash or potentially escalate privileges. The fix is available in patch 9a...

CVE-2023-1252

A use-after-free flaw was found in the Linux kernel’s Ext4 File System in how a user triggers several file operations simultaneously with the overlay FS usage. This flaw allows a local user to crash or potentially escalate their privileges on the system. Only if patch 9a2544037600 "ovl: fix use...

Linux Kernel Resource Management Vulnerability

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. The Linux kernel suffers from a memory misreference vulnerability that stems from a mix-up in the instructions responsible for freeing memory in the Ext4 file system, which cou...

PT-2025-41070

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel related to the ext4 filesystem. The issue involves a potential double unlock scenario when a directory is being moved. Recommendations At the moment,...

PT-2023-36702

Уязвимость функции ext4 rename модуля fs/ext4/namei.c файловой системы Ext4 ядра операционной системы Linux связана с ошибками синхронизации при использовании общего ресурса. Эксплуатация уязвимости может позволить нарушителю оказать воздействие на конфиденциальность, целостность и доступность...

PT-2025-18864

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to the fixed version Description A vulnerability has been resolved in the Linux kernel. The issue was found by Syzbot and is related to the ext4 file system. Specifically, it concerns the ext4 update inline data...

EulerOS 2.0 SP5 : kernel (EulerOS-SA-2023-1507)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : A use-after-free flaw was found in fs/ext4/namei.c:dxinsertblock in the Linux kernels filesystem sub-component. This flaw allows a local attacker...