The vulnerability of the `btrfs_subpage_set_writeback()` function in the `fs/btrfs/subpage.c` file of the btrfs file system in the Linux operating system allows a hacker to cause a service failure.

The vulnerability of the btrfssubpagesetwriteback function in the fs/btrfs/subpage.c file of the btrfs file system in Linux kernels involves an uncontrolled and exploitable condition. Exploiting this vulnerability could allow an attacker to cause a service failure...

SUSE-SU-2025:21180-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 16.0 kernel was updated to fix various security issues The following security issues were fixed: - CVE-2025-21816: hrtimers: Force migrate away hrtimers queued after bsc1238472. - CVE-2025-38653: proc: use the same treatment to check proclseek as ones for procreaditer...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: subpage: keep the TOWRITE tag until the folio is cleaned The btrfssubpagesetwriteback function calls foliostartwriteback the first time a folio is written back. It also clears the PAGECACHETAGTOWRITE tag, even if there...

DEBIAN-CVE-2023-53247

In the Linux kernel, the following vulnerability has been resolved: btrfs: setpageextentmapped after readfolio in btrfscontexpand While trying to get the subpage blocksize tests running, I hit the following panic on generic/476 assertion failed: PagePrivatepage && page-private, in...

CVE-2023-53247 btrfs: set_page_extent_mapped after read_folio in btrfs_cont_expand

In the Linux kernel, the following vulnerability has been resolved: btrfs: setpageextentmapped after readfolio in btrfscontexpand While trying to get the subpage blocksize tests running, I hit the following panic on generic/476 assertion failed: PagePrivatepage && page-private, in...

SUSE CVE-2025-39779

In the Linux kernel, the following vulnerability has been resolved: btrfs: subpage: keep TOWRITE tag until folio is cleaned btrfssubpagesetwriteback calls foliostartwriteback the first time a folio is written back, and it also clears the PAGECACHETAGTOWRITE tag even if there are still dirty block...

AZL-70831 CVE-2025-39779 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: btrfs: subpage: keep TOWRITE tag until folio is cleaned btrfssubpagesetwriteback calls foliostartwriteback the first time a folio is written back, and it also clears the PAGECACHETAGTOWRITE tag even if there are still dirty block...

AZL-67169 CVE-2025-39779 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: btrfs: subpage: keep TOWRITE tag until folio is cleaned btrfssubpagesetwriteback calls foliostartwriteback the first time a folio is written back, and it also clears the PAGECACHETAGTOWRITE tag even if there are still dirty block...

CVE-2025-39779

In the Linux kernel, the following vulnerability has been resolved: btrfs: subpage: keep TOWRITE tag until folio is cleaned btrfssubpagesetwriteback calls foliostartwriteback the first time a folio is written back, and it also clears the PAGECACHETAGTOWRITE tag even if there are still dirty block...

UBUNTU-CVE-2025-39779

In the Linux kernel, the following vulnerability has been resolved: btrfs: subpage: keep TOWRITE tag until folio is cleaned btrfssubpagesetwriteback calls foliostartwriteback the first time a folio is written back, and it also clears the PAGECACHETAGTOWRITE tag even if there are still dirty block...

CVE-2025-39779 btrfs: subpage: keep TOWRITE tag until folio is cleaned

In the Linux kernel, the following vulnerability has been resolved: btrfs: subpage: keep TOWRITE tag until folio is cleaned btrfssubpagesetwriteback calls foliostartwriteback the first time a folio is written back, and it also clears the PAGECACHETAGTOWRITE tag even if there are still dirty block...

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 Linux kernel that stems from a btrfs subpage prematurely clearing the TOWRITE tag before cleaning, which could lead to a sort guarantee failu...

PT-2025-37236

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A flaw exists in the Linux kernel's btrfs subsystem related to subpage handling and writeback tagging. Specifically, the btrfs subpage set writeback function prematurely clears the...

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 start of subpage bits in btrfs not being adjusted based on sectorsize...