Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006693)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006693 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...

ROS-20260403-73-0028

A vulnerability in the blocklayout/extenttree.c component of the Linux kernel is related to access to an uninitialized pointer. Exploitation of the vulnerability allows an attacker to cause a denial of service...

CVE-2026-23214

In the Linux kernel, the following vulnerability has been resolved: btrfs: reject new transactions if the fs is fully read-only BUG There is a bug report where a heavily fuzzed fs is mounted with all rescue mount options, which leads to the following warnings during unmount: BTRFS: Transaction...

CVE-2026-23214 btrfs: reject new transactions if the fs is fully read-only

In the Linux kernel, the following vulnerability has been resolved: btrfs: reject new transactions if the fs is fully read-only BUG There is a bug report where a heavily fuzzed fs is mounted with all rescue mount options, which leads to the following warnings during unmount: BTRFS: Transaction...

The vulnerability in the `btrfs_finish_extent_commit()` function of the `fs/btrfs/extent-tree.c` file in the Linux kernel’s file system allows a attacker to trigger a service failure.

The vulnerability of the btrfsfinishextentcommit function in the fs/btrfs/extent-tree.c file of the btrfs file system in the Linux operating system is related to synchronization errors. Exploiting this vulnerability could allow an attacker to cause a service failure...

SUSE CVE-2026-23018

In the Linux kernel, the following vulnerability has been resolved: btrfs: release path before initializing extent tree in btrfsreadlockedinode In btrfsreadlockedinode we are calling btrfsinitfileextenttree while holding a path with a read locked leaf from a subvolume tree, and...

CVE-2026-23018

In the Linux kernel, the following vulnerability has been resolved: btrfs: release path before initializing extent tree in btrfsreadlockedinode In btrfsreadlockedinode we are calling btrfsinitfileextenttree while holding a path with a read locked leaf from a subvolume tree, and...

CVE-2026-23018

In the Linux kernel, the following vulnerability has been resolved: btrfs: release path before initializing extent tree in btrfsreadlockedinode In btrfsreadlockedinode we are calling btrfsinitfileextenttree while holding a path with a read locked leaf from a subvolume tree, and...

UBUNTU-CVE-2026-23018

In the Linux kernel, the following vulnerability has been resolved: btrfs: release path before initializing extent tree in btrfsreadlockedinode In btrfsreadlockedinode we are calling btrfsinitfileextenttree while holding a path with a read locked leaf from a subvolume tree, and...

CVE-2026-23018

CVE-2026-23018 describes a Linux kernel vulnerability in the btrfs code path. In btrfs_read_locked_inode(), a path with a read-locked leaf from a subvolume tree is used while calling btrfs_init_file_extent_tree(), which may perform GFP_KERNEL allocations and trigger memory reclaim. This can creat...

CVE-2026-23018

In the Linux kernel, the following vulnerability has been resolved: btrfs: release path before initializing extent tree in btrfsreadlockedinode In btrfsreadlockedinode we are calling btrfsinitfileextenttree while holding a path with a read locked leaf from a subvolume tree, and...

CVE-2026-23018 btrfs: release path before initializing extent tree in btrfs_read_locked_inode()

In the Linux kernel, the following vulnerability has been resolved: btrfs: release path before initializing extent tree in btrfsreadlockedinode In btrfsreadlockedinode we are calling btrfsinitfileextenttree while holding a path with a read locked leaf from a subvolume tree, and...

CVE-2026-23018 btrfs: release path before initializing extent tree in btrfs_read_locked_inode()

In the Linux kernel, the following vulnerability has been resolved: btrfs: release path before initializing extent tree in btrfsreadlockedinode In btrfsreadlockedinode we are calling btrfsinitfileextenttree while holding a path with a read locked leaf from a subvolume tree, and...

EUVD-2026-5076

In the Linux kernel, the following vulnerability has been resolved: btrfs: release path before initializing extent tree in btrfsreadlockedinode In btrfsreadlockedinode we are calling btrfsinitfileextenttree while holding a path with a read locked leaf from a subvolume tree, and...

CVE-2026-23018

In the Linux kernel, the following vulnerability has been resolved: btrfs: release path before initializing extent tree in btrfsreadlockedinode In btrfsreadlockedinode we are calling btrfsinitfileextenttree while holding a path with a read locked leaf from a subvolume tree, and...

Azure Linux 3.0 Security Update: kernel (CVE-2025-21658)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-21658 advisory. - In the Linux kernel, the following vulnerability has been resolved: btrfs: avoid NULL pointer dereference if...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003613)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003613 advisory. btrfsfreeextent in fs/btrfs/extent-tree.c in the Linux kernel through 5.3.12 calls btrfsprintleaf in a certain ENOENT case, which allows local users to obtain...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-001358)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001358 advisory. An issue was discovered in the Linux kernel through 4.17.10. There is an invalid pointer dereference in btrfsrootnode when mounting a crafted btrfs image, because of...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: f2fs: A infinite loop has been fixed in insertextenttree. When incorrect extent information is received, and extentnode is looked up in the RB tree, it can lead to an infinite loop CONFIGF2FSCHECKFS=n. To avoid this issue, a NULL...

PT-2026-5521

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contained a flaw in the btrfs subsystem where the path was released before the extent tree was initialized within the btrfs read locked inode function. This could lead t...