The vulnerability of the btrfs_ref_tree_mod() function in the fs/btrfs/ref-verify.c module of the Linux operating system allows a attacker to compromise the confidentiality, integrity, and accessibility of protected information.

The vulnerability of the btrfsreftreemod function in the fs/btrfs/ref-verify.c module of the Linux operating system is related to the reutilization of previously freed memory. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility of...

CVE-2025-21879

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix use-after-free on inode when scanning root during em shrinking At btrfsscanroot we are accessing the inode's root and fsinfo in a call to btrfsfsclosing after we have scheduled the inode for a delayed iput, and that ca...

USN-7387-3: Linux kernel (Real-time) vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - MIPS architecture; - PowerPC architecture; - RISC-V architecture; - S390 architecture; - Supe...

SUSE CVE-2022-49761

In the Linux kernel, the following vulnerability has been resolved: btrfs: always report error in runonedelayedref Currently we have a btrfsdebug for runonedelayedref failure, but if end users hit such problem, there will be no chance that btrfsdebug is enabled. This can lead to very little usefu...

SUSE CVE-2025-21879

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix use-after-free on inode when scanning root during em shrinking At btrfsscanroot we are accessing the inode's root and fsinfo in a call to btrfsfsclosing after we have scheduled the inode for a delayed iput, and that ca...

USN-7383-2 linux-realtime vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - x86 architecture; - Block layer subsystem; - Drivers core; - Ublk userspace block driver; -...

USN-7383-1 linux, linux-aws, linux-gcp, linux-gcp-6.8, linux-gke, linux-gkeop, linux-lowlatency, linux-lowlatency-hwe-6.8, linux-nvidia, linux-nvidia-6.8, linux-nvidia-lowlatency, linux-oracle, linux-oracle-6.8 vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - x86 architecture; - Block layer subsystem; - Drivers core; - Ublk userspace block driver; -...

CVE-2022-49761

In the Linux kernel, the following vulnerability has been resolved: btrfs: always report error in runonedelayedref Currently we have a btrfsdebug for runonedelayedref failure, but if end users hit such problem, there will be no chance that btrfsdebug is enabled. This can lead to very little usefu...

DEBIAN-CVE-2022-49761

In the Linux kernel, the following vulnerability has been resolved: btrfs: always report error in runonedelayedref Currently we have a btrfsdebug for runonedelayedref failure, but if end users hit such problem, there will be no chance that btrfsdebug is enabled. This can lead to very little usefu...

UBUNTU-CVE-2022-49761

In the Linux kernel, the following vulnerability has been resolved: btrfs: always report error in runonedelayedref Currently we have a btrfsdebug for runonedelayedref failure, but if end users hit such problem, there will be no chance that btrfsdebug is enabled. This can lead to very little usefu...

USN-7380-1 linux-lowlatency vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - MIPS architecture; - PowerPC architecture; - RISC-V architecture; - S390 architecture; - x86...

CVE-2022-49761 btrfs: always report error in run_one_delayed_ref()

In the Linux kernel, the following vulnerability has been resolved: btrfs: always report error in runonedelayedref Currently we have a btrfsdebug for runonedelayedref failure, but if end users hit such problem, there will be no chance that btrfsdebug is enabled. This can lead to very little usefu...

CVE-2022-49761

CVE-2022-49761 - Linux kernel (btrfs) details Affected: Linux kernel with btrfs subsystem; function run_one_delayed_ref() path in the delayed refs workflow. Root cause/what changed: The patch changes error reporting from btrfs_debug() to btrfs_err(), adds extra context (logical bytenr, num_bytes,...

CVE-2022-49761

In the Linux kernel, the following vulnerability has been resolved: btrfs: always report error in runonedelayedref Currently we have a btrfsdebug for runonedelayedref failure, but if end users hit such problem, there will be no chance that btrfsdebug is enabled. This can lead to very little usefu...

CVE-2022-49761 btrfs: always report error in run_one_delayed_ref()

In the Linux kernel, the following vulnerability has been resolved: btrfs: always report error in runonedelayedref Currently we have a btrfsdebug for runonedelayedref failure, but if end users hit such problem, there will be no chance that btrfsdebug is enabled. This can lead to very little usefu...

CVE-2022-49761 btrfs: always report error in run_one_delayed_ref()

In the Linux kernel, the following vulnerability has been resolved: btrfs: always report error in runonedelayedref Currently we have a btrfsdebug for runonedelayedref failure, but if end users hit such problem, there will be no chance that btrfsdebug is enabled. This can lead to very little usefu...

USN-7379-1 linux, linux-aws, linux-azure, linux-gcp, linux-hwe-6.11, linux-oracle, linux-realtime vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - MIPS architecture; - PowerPC architecture; - RISC-V architecture; - S390 architecture; - x86...

CVE-2025-21879

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix use-after-free on inode when scanning root during em shrinking At btrfsscanroot we are accessing the inode's root and fsinfo in a call to btrfsfsclosing after we have scheduled the inode for a delayed iput, and that ca...

UBUNTU-CVE-2025-21879

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix use-after-free on inode when scanning root during em shrinking At btrfsscanroot we are accessing the inode's root and fsinfo in a call to btrfsfsclosing after we have scheduled the inode for a delayed iput, and that ca...

CVE-2025-21879 btrfs: fix use-after-free on inode when scanning root during em shrinking

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix use-after-free on inode when scanning root during em shrinking At btrfsscanroot we are accessing the inode's root and fsinfo in a call to btrfsfsclosing after we have scheduled the inode for a delayed iput, and that ca...