ROS-20260923-73-0031

The vulnerability of the populatefreespacetree function in the fs/btrfs/free-space-tree.c file of the Linux kernel operating system is related to an uncontrolled, exploitable condition. Exploiting this vulnerability could allow an attacker to cause a service failure...

EUVD-2026-53261

In the Linux kernel, the following vulnerability has been resolved: btrfs: reject free space cache with more entries than pages When loading a v1 free space cache, loadfreespacecache takes numentries and numbitmaps straight from the on-disk btrfsfreespaceheader. That header is stored in the...

Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2025-1297)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2025-1297 advisory. In the Linux kernel, the following vulnerability has been resolved: crypto: essiv - Check ssize for decryption and in-place encryption CVE-2025-40019 In the Linux kernel, the following...

CVE-2025-40100 btrfs: do not assert we found block group item when creating free space tree

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not assert we found block group item when creating free space tree Currently, when building a free space tree at populatefreespacetree, if we are not using the block group tree feature, we always expect to find block...

PT-2025-44390

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw within the btrfs subsystem related to the free space tree. Specifically, an assertion failure can occur during the construction of a free space tree when...

SUSE CVE-2025-38503

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix assertion when building free space tree When building the free space tree with the block group tree feature enabled, we can hit an assertion failure like this: BTRFS info device loop0 state M: rebuilding free space tre...

AZL-66353 CVE-2025-38503 affecting package kernel for versions less than 6.6.104.2-1

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix assertion when building free space tree When building the free space tree with the block group tree feature enabled, we can hit an assertion failure like this: BTRFS info device loop0 state M: rebuilding free space tre...

CVE-2025-38503

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix assertion when building free space tree When building the free space tree with the block group tree feature enabled, we can hit an assertion failure like this: BTRFS info device loop0 state M: rebuilding free space tre...

DEBIAN-CVE-2025-38503

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix assertion when building free space tree When building the free space tree with the block group tree feature enabled, we can hit an assertion failure like this: BTRFS info device loop0 state M: rebuilding free space tre...

CVE-2025-38370

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix failure to rebuild free space tree using multiple transactions If we are rebuilding a free space tree, while modifying the free space tree we may need to allocate a new metadata block group. If we end up using multiple...

CVE-2025-38370 btrfs: fix failure to rebuild free space tree using multiple transactions

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix failure to rebuild free space tree using multiple transactions If we are rebuilding a free space tree, while modifying the free space tree we may need to allocate a new metadata block group. If we end up using multiple...

CLSA-2023-1700591071 kernel: Fix of 10 CVEs

openvswitch: fix OOB access in reservesfasize CVE-2022-2639 - xen/blkfront: fix leaking data in shared pages CVE-2022-26365 - Bluetooth: Fix slab-out-of-bounds read in hciextendedinquiryresultevt CVE-2020-36386 - btrfs: only search for leftinfo if there is no rightinfo in trymergefreespace...

CLSA-2023-1700590886 kernel: Fix of 10 CVEs

openvswitch: fix OOB access in reservesfasize CVE-2022-2639 - xen/blkfront: fix leaking data in shared pages CVE-2022-26365 - Bluetooth: Fix slab-out-of-bounds read in hciextendedinquiryresultevt CVE-2020-36386 - btrfs: only search for leftinfo if there is no rightinfo in trymergefreespace...

Important: kernel

Issue Overview: 2023-06-29: CVE-2023-28772 was added to this advisory. An issue in the HID driver in the Linux kernel may lead to invalid memory access. CVE-2022-20565 A flaw was found in the Linux kernel's implementation of BTRFS free space management, where the kernel does not correctly manage...

CVE-2019-19448: Use After Free

In the Linux kernel 5.0.21 and 5.3.11, mounting a crafted btrfs filesystem image, performing some operations, and then making a syncfs system call can lead to a use-after-free in trymergefreespace in fs/btrfs/free-space-cache.c because the pointer to a left data structure can be the same as the...