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...

EUVD-2026-67507

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 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...

Linux Distros Unpatched Vulnerability : CVE-2026-80631

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - btrfs: lzo: reject compressed segment that overflows the compressed input lzodecompressbio validates each on-disk segment length seglen only against the workspa...

The vulnerability of the btrfs/inode.c component in the Linux operating system’s kernel allows a hacker to cause a service failure.

The vulnerability of the btrfs/inode.c component in the Linux operating system’s kernel is related to the allocation of unlimited memory. Exploiting this vulnerability can allow an attacker to cause a service failure...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098893)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098893 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: only release the dirty pages io tree after successful writes WARNING With extra warning o...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098735)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098735 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: ensure no dirty metadata is written back for an fs with errors BUG During development of a...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098773)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098773 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: do not free data reservation in fallback from inline due to -ENOSPC If we fail to create a...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098799)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098799 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: fix missing lastunlinktrans update when removing a directory When removing a directory we...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098815)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098815 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: fix zero size inode with non-zero size after log replay When logging that an inode exists,...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098977)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098977 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: always detect conflicting inodes when logging inode refs After rename exchanging either...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098958)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098958 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: don't BUG on unexpected delayed ref type in runonedelayedref There is no need to BUG, we c...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-099001)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-099001 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: avoid potential out-of-bounds in btrfsencodefh The function btrfsencodefh does not properl...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098821)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098821 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: reserve enough transaction items for qgroup ioctls Currently our qgroup ioctls don't...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098954)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098954 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: abort transaction on unexpected eb generation at btrfscopyroot If we find an unexpected...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098992)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098992 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: tracepoints: get correct superblock from dentry in event btrfssyncfile If overlay is used ...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098878)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098878 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: fix reservation leak in some error paths when inserting inline extent If we fail to alloca...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098782)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098782 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: fix transaction abort when snapshotting received subvolumes Currently a user can trigger ...