CVE-2026-64567

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...

UBUNTU-CVE-2026-64567

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...

CVE-2026-64567

The CVE-2026-64567 vulnerability affects the Linux kernel’s btrfs free-space-cache loading. The issue stems from loading a v1 free-space cache where num_entries can exceed the available pages, allowing io_ctl_check_crc to advance past the end of the pages[] array. This leads to a slab-out-of-boun...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: btrfs: Rejects invalid reloc tree root keys with stack dump. BUG Syzbot reported a crash that an ASSERT was triggered inside preparetomerge. This ASSERT ensures that the reloc tree is properly pointed back by its subvolume tree...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003035)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003035 advisory. An issue was discovered in the Linux kernel through 4.17.10. There is an invalid pointer dereference in ioctlmappage when mounting and operating a crafted btrfs imag...

SUSE CVE-2023-53618

In the Linux kernel, the following vulnerability has been resolved: btrfs: reject invalid reloc tree root keys with stack dump BUG Syzbot reported a crash that an ASSERT got triggered inside preparetomerge. That ASSERT makes sure the reloc tree is properly pointed back by its subvolume tree. CAUS...

CVE-2023-53618

In the Linux kernel, the following vulnerability has been resolved: btrfs: reject invalid reloc tree root keys with stack dump BUG Syzbot reported a crash that an ASSERT got triggered inside preparetomerge. That ASSERT makes sure the reloc tree is properly pointed back by its subvolume tree. CAUS...

UBUNTU-CVE-2023-53618

In the Linux kernel, the following vulnerability has been resolved: btrfs: reject invalid reloc tree root keys with stack dump BUG Syzbot reported a crash that an ASSERT got triggered inside preparetomerge. That ASSERT makes sure the reloc tree is properly pointed back by its subvolume tree. CAUS...

CVE-2023-53618 btrfs: reject invalid reloc tree root keys with stack dump

In the Linux kernel, the following vulnerability has been resolved: btrfs: reject invalid reloc tree root keys with stack dump BUG Syzbot reported a crash that an ASSERT got triggered inside preparetomerge. That ASSERT makes sure the reloc tree is properly pointed back by its subvolume tree. CAUS...

EUVD-2025-32818

In the Linux kernel, the following vulnerability has been resolved: btrfs: reject invalid reloc tree root keys with stack dump BUG Syzbot reported a crash that an ASSERT got triggered inside preparetomerge. That ASSERT makes sure the reloc tree is properly pointed back by its subvolume tree. CAUS...

CVE-2023-53618 btrfs: reject invalid reloc tree root keys with stack dump

In the Linux kernel, the following vulnerability has been resolved: btrfs: reject invalid reloc tree root keys with stack dump BUG Syzbot reported a crash that an ASSERT got triggered inside preparetomerge. That ASSERT makes sure the reloc tree is properly pointed back by its subvolume tree. CAUS...

CVE-2023-53618

The CVE-2023-53618 entry corresponds to a Linux kernel issue affecting Btrfs reloc trees. The problem was an invalid reloc tree root key being present for quota-related reloc trees, which could lead to a crash via an ASSERT() in prepare_to_merge() when the reloc tree is not properly referenced by...

PT-2025-41062

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw related to the BTRFS file system. Specifically, the issue involves the handling of reloc trees, which are used for managing shared tree blocks between...

UBUNTU-CVE-2024-35798

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix race in readextentbufferpages There are reports from tree-checker that detects corrupted nodes, without any obvious pattern so possibly an overwrite in memory. After some debugging it turns out there's a race when...

CVE-2024-35798

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix race in readextentbufferpages There are reports from tree-checker that detects corrupted nodes, without any obvious pattern so possibly an overwrite in memory. After some debugging it turns out there's a race when...

CVE-2024-35798 btrfs: fix race in read_extent_buffer_pages()

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix race in readextentbufferpages There are reports from tree-checker that detects corrupted nodes, without any obvious pattern so possibly an overwrite in memory. After some debugging it turns out there's a race when...

CVE-2024-35798

CVE-2024-35798 — Linux kernel, btrfs race in read_extent_buffer_pages() A race occurs when reading an extent buffer: after acquiring EXTENT_BUFFER_READING, the uptodate flag isn’t rechecked promptly, allowing a concurrent read to start and potentially return while another read is in progress. Thi...

CVE-2024-35798 btrfs: fix race in read_extent_buffer_pages()

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix race in readextentbufferpages There are reports from tree-checker that detects corrupted nodes, without any obvious pattern so possibly an overwrite in memory. After some debugging it turns out there's a race when...

CVE-2024-35798

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix race in readextentbufferpages There are reports from tree-checker that detects corrupted nodes, without any obvious pattern so possibly an overwrite in memory. After some debugging it turns out there's a race when...

CVE-2019-19816

In the Linux kernel 5.0.21, mounting a crafted btrfs filesystem image and performing some operations can cause slab-out-of-bounds write access in btrfsmapblock in fs/btrfs/volumes.c, because a value of 1 for the number of data stripes is mishandled...