CVE-2026-43299 btrfs: do not ASSERT() when the fs flips RO inside btrfs_repair_io_failure()

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not ASSERT when the fs flips RO inside btrfsrepairiofailure BUG There is a bug report that when btrfs hits ENOSPC error in a critical path, btrfs flips RO this part is expected, although the ENOSPC bug still needs to be...

PT-2026-39019

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A missing RCU Read-Copy-Update unlock in the error path of the try release subpage extent buffer function within the btrfs module can occur. This happens because a rcu read unlock call...

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 releasing the chunk map after calling btrfschunkmapnumcopies in btrfsmapblock. This...

PT-2026-38941

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A bug exists in the Btrfs file system where the kernel may crash if the file system switches to read-only RO mode during a read-repair operation. This occurs when a critical error, such ...

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 fact that the btrfs quota group’s ioctl does not reserve transaction space. Instead, it only...

PT-2026-38950

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the Btrfs filesystem where the run one delayed ref function triggers a BUG panic when encountering an unexpected delayed reference type. This can lead to a system cras...

PT-2026-39020

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the btrfs component where the 'set received' ioctl can trigger a transaction abort due to an item overflow when adding the BTRFS UUID KEY RECEIVED SUBVOL. A user who...

Linux Distros Unpatched Vulnerability : CVE-2026-43299

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - btrfs: do not ASSERT when the fs flips RO inside btrfsrepairiofailure BUG There is a bug report that when btrfs hits ENOSPC error in a critical path, btrfs flip...

Linux Distros Unpatched Vulnerability : CVE-2026-43360

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - btrfs: fix transaction abort on file creation due to name hash collision If we attempt to create several files with names that result in the same hash, we have ...

PT-2026-39022

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue in the btrfs filesystem allows a user to trigger a transaction abort by repeatedly snapshotting a previously received subvolume. This occurs when a BTRFS UUID KEY RECEIVED SUBVO...

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 btrfs file system. This vulnerability arises when the ASSERT function in the...

Linux Distros Unpatched Vulnerability : CVE-2026-43393

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - btrfs: fix chunk map leak in btrfsmapblock after btrfschunkmapnumcopies Fix a chunk map leak in btrfsmapblock: if we return early with -EINVAL, we're not freein...

Linux Distros Unpatched Vulnerability : CVE-2026-43359

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - btrfs: fix transaction abort on set received ioctl due to item overflow If the set received ioctl fails due to an item overflow when attempting to add the...

Linux Distros Unpatched Vulnerability : CVE-2026-43361

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - btrfs: fix transaction abort when snapshotting received subvolumes Currently a user can trigger a transaction abort by snapshotting a previously received...

Linux Distros Unpatched Vulnerability : CVE-2026-43308

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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-2026-4330...

PT-2026-39054

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A chunk map leak occurs in the btrfs map block function after the btrfs chunk map num copies function is called. The leak happens when the system returns early with an -EINVAL error,...

PT-2026-39021

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the btrfs filesystem where creating multiple files with names that result in the same hash can lead to a transaction abort. This occurs because files with colliding...

PT-2026-38989

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the Btrfs file system where qgroup ioctls do not reserve sufficient space for transaction items. Instead, they perform a transaction join, which fails to reserve space...

Linux Distros Unpatched Vulnerability : CVE-2026-43338

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - btrfs: reserve enough transaction items for qgroup ioctls Currently our qgroup ioctls don't reserve any space, they just do a transaction join, which does not...

USN-8257-1: Linux kernel (Raspberry Pi) vulnerabilities

Josh Eads, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, and Matteo Rizzo discovered that some AMD Zen processors did not properly verify the signature of CPU microcode. This flaw is known as EntrySign. A privileged attacker could possibly use this issue to cause load malicious CPU microcod...