PT-2026-90361

In the Linux kernel, the following vulnerability has been resolved: btrfs: drop recovered reloc root refs on recovery failure During relocation recovery, each fs root gets a reference to its relocation root. If loading or adding a later root fails, or if the first transaction commit fails, btrfs...

PT-2026-90488

In the Linux kernel, the following vulnerability has been resolved: btrfs: write-protect folios during data writeback commit 095be159f3eb "btrfs: unify folio dirty flag clearing" replaced the folio clear dirty for io call in extent write cache pages with a plain folio test dirty check. Besides...

PT-2026-90360

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix extent map leak in NOCOW direct I/O write btrfs dio iomap begin calls btrfs get extent, which returns an extent map reference that must be dropped on all exit paths. For direct writes into a NOCOW range, btrfs get bloc...

Linux Distros Unpatched Vulnerability : CVE-2026-80734

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - btrfs: initialize inode mapping flags for cached inodes BUG When running generic/795 with 8K block size, 4K page size, the test always fails, triggering some...

SUSE CVE-2026-80734

In the Linux kernel, the following vulnerability has been resolved: btrfs: initialize inode mapping flags for cached inodes BUG When running generic/795 with 8K block size, 4K page size, the test always fails, triggering some ASSERTs related to folio size: 795 241074: dropcaches: 3 assertion...

CVE-2026-80734

In the Linux kernel, the following vulnerability has been resolved: btrfs: initialize inode mapping flags for cached inodes BUG When running generic/795 with 8K block size, 4K page size, the test always fails, triggering some ASSERTs related to folio size: 795 241074: dropcaches: 3 assertion...

CVE-2026-80734

In the Linux kernel, the following vulnerability has been resolved: btrfs: initialize inode mapping flags for cached inodes BUG When running generic/795 with 8K block size, 4K page size, the test always fails, triggering some ASSERTs related to folio size: 795 241074: dropcaches: 3 assertion...

UBUNTU-CVE-2026-80734

In the Linux kernel, the following vulnerability has been resolved: btrfs: initialize inode mapping flags for cached inodes BUG When running generic/795 with 8K block size, 4K page size, the test always fails, triggering some ASSERTs related to folio size: 795 241074: dropcaches: 3 assertion...

CVE-2026-80734 btrfs: initialize inode mapping flags for cached inodes

In the Linux kernel, the following vulnerability has been resolved: btrfs: initialize inode mapping flags for cached inodes BUG When running generic/795 with 8K block size, 4K page size, the test always fails, triggering some ASSERTs related to folio size: 795 241074: dropcaches: 3 assertion...

CVE-2026-80734

CVE-2026-80734 affects the btrfs filesystem in the Linux kernel . When a btrfs inode is evicted from the page cache under memory pressure and subsequently re-looked up via btrfs_iget(), the code path that reuses a previously cached delayed_node skips calls to btrfs_update_inode_mapping_flags() an...

EUVD-2026-70338

In the Linux kernel, the following vulnerability has been resolved: btrfs: initialize inode mapping flags for cached inodes BUG When running generic/795 with 8K block size, 4K page size, the test always fails, triggering some ASSERTs related to folio size: 795 241074: dropcaches: 3 assertion...

CVE-2026-80734 btrfs: initialize inode mapping flags for cached inodes

In the Linux kernel, the following vulnerability has been resolved: btrfs: initialize inode mapping flags for cached inodes BUG When running generic/795 with 8K block size, 4K page size, the test always fails, triggering some ASSERTs related to folio size: 795 241074: dropcaches: 3 assertion...

CVE-2026-80631

A flaw was found in the Linux kernel's Btrfs filesystem, specifically within its LZO decompression functionality. A local attacker could provide a specially crafted Btrfs image containing a compressed segment that, due to improper validation of its length, overflows the compressed input buffer...

CVE-2026-80631

In the Linux kernel, the following vulnerability has been resolved: btrfs: lzo: reject compressed segment that overflows the compressed input lzodecompressbio validates each on-disk segment length seglen only against the workspace cbuf size, not against the compressed input size compressedlen, th...

AZL-98102 CVE-2026-80631 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: btrfs: lzo: reject compressed segment that overflows the compressed input lzodecompressbio validates each on-disk segment length seglen only against the workspace cbuf size, not against the compressed input size compressedlen, th...

CVE-2026-80631

In the Linux kernel, the following vulnerability has been resolved: btrfs: lzo: reject compressed segment that overflows the compressed input lzodecompressbio validates each on-disk segment length seglen only against the workspace cbuf size, not against the compressed input size compressedlen, th...

UBUNTU-CVE-2026-80631

In the Linux kernel, the following vulnerability has been resolved: btrfs: lzo: reject compressed segment that overflows the compressed input lzodecompressbio validates each on-disk segment length seglen only against the workspace cbuf size, not against the compressed input size compressedlen, th...

CVE-2026-80631

In the Linux kernel, the following vulnerability has been resolved: btrfs: lzo: reject compressed segment that overflows the compressed input lzodecompressbio validates each on-disk segment length seglen only against the workspace cbuf size, not against the compressed input size compressedlen, th...

CVE-2026-80631

CVE-2026-80631 affects the Linux kernel's btrfs LZO decompression path (lzo_decompress_bio() in fs/btrfs/lzo.c). The root cause is an insufficient validation check: each on-disk segment length (seg_len) is validated only against the workspace buffer size, not against the actual compressed input s...

CVE-2026-80631 btrfs: lzo: reject compressed segment that overflows the compressed input

In the Linux kernel, the following vulnerability has been resolved: btrfs: lzo: reject compressed segment that overflows the compressed input lzodecompressbio validates each on-disk segment length seglen only against the workspace cbuf size, not against the compressed input size compressedlen, th...