kernel: ext4: fix double-free of blocks due to wrong extents moved_len

A vulnerability was found in the Linux kernel. This issue occurs in the ext4 function, in ext4moveextents, where an error in updating the movedlen variable can lead to double-free of blocks and corrupt block accounting. This could lead to crashes or undefined behavior...

CVE-2024-40943 ocfs2: fix races between hole punching and AIO+DIO

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix races between hole punching and AIO+DIO After commit "ocfs2: return real error code in ocfs2diowrgetblock", fstests/generic/300 become from always failed to sometimes failed:...

Linux kernel security vulnerabilities

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 a contention condition issue in the ocfs2 filesystem when handling AIO+DIO with hole-punching operations,...

PT-2024-4553

Name of the Vulnerable Software and Affected Versions: Linux kernel version 6.9.0 Description: The vulnerability is related to a crash in the btrfs file system when there is a race condition between fsync and size-extending write into prealloc. This can lead to a BUG being triggered, causing the...

UBUNTU-CVE-2024-36027

In the Linux kernel, the following vulnerability has been resolved: btrfs: zoned: do not flag ZEROOUT on non-dirty extent buffer Btrfs clears the content of an extent buffer marked as EXTENTBUFFERZONEDZEROOUT before the bio submission. This mechanism is introduced to prevent a write hole of an...

SUSE CVE-2021-47433

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix abort logic in btrfsreplacefileextents Error injection testing uncovered a case where we'd end up with a corrupt file system with a missing extent in the middle of a file. This occurs because the if statement to decide...

SUSE CVE-2021-47460

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix data corruption after conversion from inline format Commit 6dbf7bb55598 "fs: Don't invalidate page buffers in blockwritefullpage" uncovered a latent bug in ocfs2 conversion from inline inode format to a normal inode...

SUSE CVE-2023-52770

In the Linux kernel, the following vulnerability has been resolved: f2fs: split initial and dynamic conditions for extentcache Let's allocate the extentcache tree without dynamic conditions to avoid a missing condition causing a panic as below. create a file w/ a compressed flag disable the...

kernel: ext4: silence the warning when evicting inode with dioread_nolock

In the Linux kernel, the following vulnerability has been resolved: ext4: silence the warning when evicting inode with dioreadnolock When evicting an inode with default dioreadnolock, it could be raced by the unwritten extents converting kworker after writeback some new allocated dirty blocks. It...

kernel: ext4: fix delayed allocation bug in ext4_clu_mapped for bigalloc + inline

In the Linux kernel, the following vulnerability has been resolved: ext4: fix delayed allocation bug in ext4clumapped for bigalloc + inline When converting files with inline data to extents, delayed allocations made on a file system created with both the bigalloc and inline options can result in...

CVE-2021-47460

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix data corruption after conversion from inline format Commit 6dbf7bb55598 "fs: Don't invalidate page buffers in blockwritefullpage" uncovered a latent bug in ocfs2 conversion from inline inode format to a normal inode...

DEBIAN-CVE-2021-47460

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix data corruption after conversion from inline format Commit 6dbf7bb55598 "fs: Don't invalidate page buffers in blockwritefullpage" uncovered a latent bug in ocfs2 conversion from inline inode format to a normal inode...

DEBIAN-CVE-2021-47433

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix abort logic in btrfsreplacefileextents Error injection testing uncovered a case where we'd end up with a corrupt file system with a missing extent in the middle of a file. This occurs because the if statement to decide...

UBUNTU-CVE-2021-47460

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix data corruption after conversion from inline format Commit 6dbf7bb55598 "fs: Don't invalidate page buffers in blockwritefullpage" uncovered a latent bug in ocfs2 conversion from inline inode format to a normal inode...

UBUNTU-CVE-2021-47433

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix abort logic in btrfsreplacefileextents Error injection testing uncovered a case where we'd end up with a corrupt file system with a missing extent in the middle of a file. This occurs because the if statement to decide...

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 an abort logic error in btrfsreplacefileextents...

The vulnerability of the ext4Move_extents() function in the fs/ext4/move_extent.c file of the Linux kernel’s file system ext4 allows a attacker to cause a service failure.

The vulnerability of the ext4Moveextents function in the fs/ext4/moveextent.c file of the Linux kernel’s file system relates to the reallocation of allocated memory. Exploiting this vulnerability could allow an attacker to cause a service failure...

SUSE CVE-2022-48631

In the Linux kernel, the following vulnerability has been resolved: ext4: fix bug in extents parsing when ehentries == 0 and ehdepth 0 When walking through an inode extents, the ext4extbinsearchidx function assumes that the extent header has been previously validated. However, there are no checks...

CVE-2022-48631

A flaw was found in the Linux kernel. The following vulnerability has been resolved: ext4: fix bug in extents parsing when ehentries == 0 and ehdepth 0...

DEBIAN-CVE-2022-48631

In the Linux kernel, the following vulnerability has been resolved: ext4: fix bug in extents parsing when ehentries == 0 and ehdepth 0 When walking through an inode extents, the ext4extbinsearchidx function assumes that the extent header has been previously validated. However, there are no checks...