kernel: ext4: avoid resizing to a partial cluster size

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid resizing to a partial cluster size This patch avoids an attempt to resize the filesystem to an unaligned cluster boundary. An online resize to a size that is not integral to cluster size results in the last iteration...

USN-7577-2: libblockdev vulnerability

USN-7577-1 fixed a vulnerability in libblockdev. This update provides the corresponding update for Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. Original advisory details: It was discovered that libblockdev incorrectly handled mount options when resizing certain filesystems. A local attacker with an...

USN-7578-1: UDisks vulnerability

It was discovered that UDisks incorrectly handled mount options when resizing certain filesystems. A local attacker with an active session on the console can use this issue to escalate their privileges to root...

CVE-2022-50020

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid resizing to a partial cluster size This patch avoids an attempt to resize the filesystem to an unaligned cluster boundary. An online resize to a size that is not integral to cluster size results in the last iteration...

USN-7577-1: libblockdev vulnerability

It was discovered that libblockdev incorrectly handled mount options when resizing certain filesystems. A local attacker with an active session on the console can use this issue to escalate their privileges to root...

CVE-2022-50020

CVE-2022-50020 affects the Linux kernel ext4 filesystem: the patch prevents online resizing to an unaligned/partial cluster boundary. The issue could cause the last resize iteration to grow the filesystem by a negative amount, tripping a BUG_ON and leaving the in-memory superblock corrupted. Conn...

Linux Distros Unpatched Vulnerability : CVE-2023-52622

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ext4: avoid online resizing failures due to oversized flex bg When we online resize an ext4 filesystem with a oversized flexbgsize, mkfs.ext4 -F -G 67108864 $de...

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...

CVE-2024-49880

In the Linux kernel, the following vulnerability has been resolved: ext4: fix off by one issue in allocflexgd Wesley reported an issue: ================================================================== EXT4-fs dm-5: resizing filesystem from 7168 to 786432 blocks ------------ cut here -----------...

CVE-2024-49880

In the Linux kernel, the following vulnerability has been resolved: ext4: fix off by one issue in allocflexgd Wesley reported an issue: ================================================================== EXT4-fs dm-5: resizing filesystem from 7168 to 786432 blocks ------------ cut here -----------...

CVE-2024-49880 ext4: fix off by one issue in alloc_flex_gd()

In the Linux kernel, the following vulnerability has been resolved: ext4: fix off by one issue in allocflexgd Wesley reported an issue: ================================================================== EXT4-fs dm-5: resizing filesystem from 7168 to 786432 blocks ------------ cut here -----------...

CVE-2024-49880

The CVE-2024-49880 entry concerns an off-by-one in ext4 resizing logic (alloc_flex_gd) leading to a kernel BUG in resize operations (resize2fs) when resizing a filesystem. The vulnerability is addressed by a patch that removes the problematic +1 (and adds a WARN_ON_ONCE) to ensure flex_gd->res...

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 originates from a corruption that occurs during resizing of the file system...