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-2022-49347

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...

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...

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...

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...