CVE-2026-31434 btrfs: fix leak of kobject name for sub-group space_info

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix leak of kobject name for sub-group spaceinfo When createspaceinfosubgroup allocates elements of spaceinfo-subgroup, kobjectinitandadd is called for each element via btrfssysfsaddspaceinfotype. However, when...

CVE-2026-31434 btrfs: fix leak of kobject name for sub-group space_info

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix leak of kobject name for sub-group spaceinfo When createspaceinfosubgroup allocates elements of spaceinfo-subgroup, kobjectinitandadd is called for each element via btrfssysfsaddspaceinfotype. However, when...

CVE-2026-31434

CVE-2026-31434 affects the Linux kernel's btrfs subsystem. The root cause is a leak of kobject names for sub-group space_info entries: during removal, kobject_init_and_add is paired with allocations, but the corresponding btrfs_sysfs_remove_space_info() is not called on freed elements, causing le...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the exposure of the kobject name in the btrfs subgroup spaceinfo, potentially leading to memory...

PT-2026-34424

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the btrfs file system where the BTRFS ROOT ORPHAN CLEANUP bit is not set during subvolume creation in the create subvol function. This can lead to a race condition...

Linux Distros Unpatched Vulnerability : CVE-2026-31519

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - btrfs: set BTRFSROOTORPHANCLEANUP during subvol create We have recently observed a number of subvolumes with broken dentries. ls-ing the parent dir looks like:...

Linux Distros Unpatched Vulnerability : CVE-2026-31434

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - btrfs: fix leak of kobject name for sub-group spaceinfo When createspaceinfosubgroup allocates elements of spaceinfo-subgroup, kobjectinitandadd is called for...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013486)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013486 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: correct the order of prelimref arguments in btrfsprelimref btrfsprelimref calls the old an...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013487)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013487 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: handle chunk tree lookup error in btrfsrelocatesyschunks The unhandled case in...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013500)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013500 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: always report error in runonedelayedref Currently we have a btrfsdebug for runonedelayedre...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the lack of setting BTRFSROOTORPHANCLEANUP when creating subvolumes. This could lead to orphan...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-011024)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011024 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: always report error in runonedelayedref Currently we have a btrfsdebug for runonedelayedre...

Unity Linux 20.1050e / 20.1070e Security Update: kernel (UTSA-2026-011265)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011265 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: handle chunk tree lookup error in btrfsrelocatesyschunks The unhandled case in...

Unity Linux 20.1050e / 20.1070e Security Update: kernel (UTSA-2026-011184)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011184 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: fix warning when putting transaction with qgroups enabled after abort If we have a...

Unity Linux 20.1050e / 20.1070e Security Update: kernel (UTSA-2026-010809)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-010809 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: add handling for RAID1C23/DUP to btrfsreduceallocprofile Callers of btrfsreduceallocprofil...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-011250)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011250 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: fix resolving backrefs for inline extent followed by prealloc If a file consists of an...

Unity Linux 20.1050e / 20.1070e Security Update: kernel (UTSA-2026-011139)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011139 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-2026-006990)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006990 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: output extra debug info if we failed to find an inline backref BUG Syzbot reported several...

Unity Linux 20.1050e / 20.1070e Security Update: kernel (UTSA-2026-011121)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011121 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: correct the order of prelimref arguments in btrfsprelimref btrfsprelimref calls the old an...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-013273)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013273 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: fix lockdep splat and potential deadlock after failure running delayed items When running...