The vulnerability of the ext4 kernel component in the Linux operating system, which allows a hacker to cause a service failure

The vulnerability of the ext4 kernel component in Linux operating systems is related to the lack of memory release after the effective lifespan of the component. Exploiting this vulnerability can allow an attacker to cause a service failure...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-013188)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013188 advisory. 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...

CVE-2023-54021

CVE-2023-54021 affects the Linux kernel ext4 subsystem. The vulnerability centers on ext4_mb_normalize_request: the code must use ac_g_ex (not ac_f_ex) to communicate the goal start to ext4_mb_find_by_goal, and verify that the goal start lies within the data block range [first_data_block, blocks_...

UBUNTU-CVE-2022-50436

In the Linux kernel, the following vulnerability has been resolved: ext4: don't set up encryption key during jbd2 transaction Commit a80f7fcf1867 "ext4: fixup ext4fctrack functions' signature" extended the scope of the transaction in ext4unlink too far, making it include the call to ext4findentry...

Linux Distros Unpatched Vulnerability : CVE-2022-48712

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ext4: fix error handling in ext4fcrecordmodifiedinode Current code does not fully takes care of krealloc error case, which could lead to silent memory corruptio...

Linux Distros Unpatched Vulnerability : CVE-2022-49347

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ext4: fix bugon in ext4writepages we got issue as follows: EXT4-fs error device loop0: ext4mbgeneratebuddy:1141: group 0, block bitmap and bg descriptor...

CVE-2022-49352

In the Linux kernel, the following vulnerability has been resolved: ext4: fix warning in ext4handleinodeextension We got issue as follows: EXT4-fs error device loop0 in ext4reserveinodewrite:5741: Out of memory EXT4-fs error device loop0: ext4setattr:5462: inode 13: comm syz-executor.0:...

CVE-2022-49707

CVE-2022-49707 concerns a Linux kernel ext4 resize bug where a NULL pointer dereference could occur when resizing a corrupted ext4 image with resize_inode previously cleared. The root cause is that during ext4_resize_fs() transitioning to meta_bg mode, es->s_reserved_gdt_blocks was not reduced...

The vulnerability of the ext4 kernel component in the Linux operating system, which allows a hacker to cause a service failure

The vulnerability of the ext4 kernel component in Linux operating systems is related to the use of an uninitialized resource. Exploiting this vulnerability can allow a perpetrator to cause a system failure...

The vulnerability of the ext4 kernel component in the Linux operating system, which allows a hacker to cause a service failure

The vulnerability of the ext4 kernel component in the Linux operating system is related to improper error handling. Exploiting this vulnerability can allow an attacker to cause a service failure...

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...

Important: Red Hat Security Advisory: kernel security, bug fix, and enhancement update

An update for kernel is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

kernel: ext4: avoid divide by zero when trying to mount a corrupted file system

The ext4fillflexinfo function in fs/ext4/super.c in the Linux kernel before 2.6.32-git6 allows user-assisted remote attackers to cause a denial of service divide-by-zero error and panic via a malformed ext4 filesystem containing a super block with a large FLEXBG group size aka sloggroupsperflex...