The vulnerability of the ext4_prepareInline_data() function in the fs/ext4/inline.c file of the Ext4 file system in the Linux operating system allows a attacker to cause a service failure.

The vulnerability of the ext4prepareInlinedata function in the fs/ext4/inline.c file of the Ext4 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 cause a service failure...

The vulnerability of the ext4_xattr_move_to_block() function in the fs/ext4/xattr.c module of the Ext4 file system in the Linux operating system allows a attacker to cause a service failure.

The vulnerability of the ext4xattrmovetoblock function in the fs/ext4/xattr.c module of the Ext4 file system in the Linux operating system is related to the distribution of resources without any restrictions or regulations. Exploiting this vulnerability could allow a attacker to cause service...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-005084)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005084 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: make sure the first directory block is not a hole The syzbot constructs a directory that ha...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001031)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001031 advisory. The implementation of certain splicewrite file operations in the Linux kernel before 3.16 does not enforce a restriction on the maximum size of a single file, which...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001523)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001523 advisory. Linux kernel is vulnerable to a heap-based buffer overflow in the fs/ext4/xattr.c:ext4xattrsetentry function. An attacker could exploit this by operating on a mounte...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-992904)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992904 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: fix null-ptr-deref in ext4writeinfo I caught a null-ptr-deref bug as follows:...

CVE-2023-54305

In the Linux kernel, the following vulnerability has been resolved: ext4: refuse to create ea block when umounted The ea block expansion need to access sroot while it is already set as NULL when umount is triggered. Refuse this request to avoid panic...

CVE-2023-54062

In the Linux kernel, the following vulnerability has been resolved: ext4: fix invalid free tracking in ext4xattrmovetoblock In ext4xattrmovetoblock, the value of the extended attribute which we need to move to an external block may be allocated by kvmalloc if the value is stored in an external...

CVE-2022-50782 ext4: fix bug_on in __es_tree_search caused by bad quota inode

In the Linux kernel, the following vulnerability has been resolved: ext4: fix bugon in estreesearch caused by bad quota inode We got a issue as fllows: ================================================================== kernel BUG at fs/ext4/extentsstatus.c:202! invalid opcode: 0000 1 PREEMPT SMP...

UBUNTU-CVE-2023-54021

In the Linux kernel, the following vulnerability has been resolved: ext4: set goal start correctly in ext4mbnormalizerequest We need to set acgex to notify the goal start used in ext4mbfindbygoal. Set acgex instead of acfex in ext4mbnormalizerequest. Besides we should assure goal start is in rang...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from the ext4 file system not properly setting the target starting block, which could lead to out-of-bounds acces...

kernel: ext4: fix undefined behavior in bit shift for ext4_check_flag_values

A vulnerability was identified in the Linux kernel's ext4 filesystem implementation due to a flaw in how it processes filesystem metadata. An attacker with local privileges could create a malicious ext4 filesystem image to trigger this issue. When the system attempts to mount this malicious image...

SUSE CVE-2025-40361

This CVE ID has been rejected or withdrawn by its CVE Numbering Authority...

SUSE CVE-2025-68261

In the Linux kernel, the following vulnerability has been resolved: ext4: add idatasem protection in ext4destroyinlinedatanolock Fix a race between inline data destruction and block mapping. The function ext4destroyinlinedatanolock changes the inode data layout by clearing EXT4INODEINLINEDATA and...

USN-7938-1 linux-azure-5.15 vulnerabilities

Jean-Claude Graf, Sandro Rüegge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor isolation between a guest and a userspace hypervisor for certain processors. This flaw is known as VMSCAPE. An attacker in a guest VM could possibly use this t...

USN-7909-5 linux-raspi vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM32 architecture; - ARM64 architecture; - MIPS architecture; - PowerPC architecture; - RISC-V architecture; - S39...

EulerOS 2.0 SP13 : kernel (EulerOS-SA-2025-2522)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : x86/mce: Work around an erratum on fast string copy instructionsCVE-2022-49124 net: preserve skbendoffset in skbunclonekeeptruesizeCVE-2022-49142...

EUVD-2023-60135

In the Linux kernel, the following vulnerability has been resolved: ext4: correct grp validation in ext4mbgoodgroup Group corruption check will access memory of grp and will trigger kernel crash if grp is NULL. So do NULL check before corruption check...

UBUNTU-CVE-2022-50668

In the Linux kernel, the following vulnerability has been resolved: ext4: fix deadlock due to mbcache entry corruption When manipulating xattr blocks, we can deadlock infinitely looping inside ext4xattrblockset where we constantly keep finding xattr block for reuse in mbcache but we are unable to...

CVE-2023-53861 ext4: correct grp validation in ext4_mb_good_group

In the Linux kernel, the following vulnerability has been resolved: ext4: correct grp validation in ext4mbgoodgroup Group corruption check will access memory of grp and will trigger kernel crash if grp is NULL. So do NULL check before corruption check...