Linux Distros Unpatched Vulnerability : CVE-2026-98244

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - btrfs: clear free space tree creation state on rebuild failure btrfsrebuildfreespacetree sets BTRFSFSCREATINGFREESPACETREE before rebuilding the free space tree...

CVE-2026-98244

In the Linux kernel, the following vulnerability has been resolved: btrfs: clear free space tree creation state on rebuild failure btrfsrebuildfreespacetree sets BTRFSFSCREATINGFREESPACETREE before rebuilding the free space tree. Several error paths return without clearing this flag. The...

UBUNTU-CVE-2026-98244

In the Linux kernel, the following vulnerability has been resolved: btrfs: clear free space tree creation state on rebuild failure btrfsrebuildfreespacetree sets BTRFSFSCREATINGFREESPACETREE before rebuilding the free space tree. Several error paths return without clearing this flag. The...

CVE-2026-98244 btrfs: clear free space tree creation state on rebuild failure

In the Linux kernel, the following vulnerability has been resolved: btrfs: clear free space tree creation state on rebuild failure btrfsrebuildfreespacetree sets BTRFSFSCREATINGFREESPACETREE before rebuilding the free space tree. Several error paths return without clearing this flag. The...

EUVD-2026-93172

In the Linux kernel, the following vulnerability has been resolved: btrfs: clear free space tree creation state on rebuild failure btrfsrebuildfreespacetree sets BTRFSFSCREATINGFREESPACETREE before rebuilding the free space tree. Several error paths return without clearing this flag. The...

CVE-2026-98244

The Linux kernel btrfs filesystem contains a vulnerability where the btrfs_rebuild_free_space_tree() function fails to clear the BTRFS_FS_CREATING_FREE_SPACE_TREE flag on certain error paths. Specifically, a transaction restart failure can leave this flag set on a live filesystem, which results i...

CVE-2026-98244: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: btrfs: clear free space tree creation state on rebuild failure btrfsrebuildfreespacetree sets BTRFSFSCREATINGFREESPACETREE before rebuilding the free space tree. Several error paths return without clearing this flag. The...

DEBIAN-CVE-2026-90260

In the Linux kernel, the following vulnerability has been resolved: btrfs: zoned: don't clobber the extent buffer when zeroing it out On a zoned filesystem a freed-but-still-dirty tree block is written out as zeros EXTENTBUFFERZONEDZEROOUT only to keep the zone write pointer advancing...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-107298)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-107298 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: do not BUGON when freeing tree block after error When freeing a tree block, at...

CVE-2026-43308

A flaw was found in the Linux kernel's Btrfs filesystem. An unexpected delayed reference type in the runonedelayedref function could lead to a system crash. This vulnerability could allow a local attacker to cause a denial of service DoS by triggering the unexpected reference type...

CVE-2026-43308

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 can just return an error and log an error message...

UBUNTU-CVE-2026-43308

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 can just return an error and log an error message...

CVE-2026-43308

CVE-2026-43308 affects the Linux kernel’s Btrfs code path, where an unexpected delayed ref type could previously trigger a BUG() in run_one_delayed_ref(). The issue could enable a local attacker to induce a system crash/DoS by triggering the faulty delay path. The advisory notes that the code can...

CVE-2026-43308 btrfs: don't BUG() on unexpected delayed ref type in run_one_delayed_ref()

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 can just return an error and log an error message...

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, caused by the use of the runonedelayedref function for an unexpected delayed reference type. This vulnerability...

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...

EUVD-2025-205095

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix double free of qgroup record after failure to add delayed ref head In the previous code it was possible to incur into a double kfree scenario when calling adddelayedrefhead. This could happen if the record was reported...

CVE-2025-68359 btrfs: fix double free of qgroup record after failure to add delayed ref head

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix double free of qgroup record after failure to add delayed ref head In the previous code it was possible to incur into a double kfree scenario when calling adddelayedrefhead. This could happen if the record was reported...

CVE-2025-68359

CVE-2025-68359 concerns the Linux kernel/btrfs. The vulnerability arises from a double free of a qrecord when add_delayed_ref_head() returns an error after btrfs_qgroup_trace_extent_nolock() reports the record as existing. The fix reassigns ownership of the qrecord away from add_delayed_ref_head(...

Linux Distros Unpatched Vulnerability : CVE-2025-68359

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - btrfs: fix double free of qgroup record after failure to add delayed ref head In the previous code it was possible to incur into a double kfree scenario when...