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

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 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

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

CVE-2025-21879 describes a Linux kernel use-after-free in the btrfs code. In btrfs_scan_root(), the kernel could dereference inode->root->fs_info after scheduling the inode for delayed iput, if the cleaner kthread ran iput first, leading to a use-after-free of the inode and potential crash....

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...

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...

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...

Linux kernel 资源管理错误漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A resource management error vulnerability exists in Linux kernel that stems from btrfs not properly handling delayed iput when scanning for roots, which could lead to reuse aft...

The vulnerability of the btrfs_submitChunk() function in the btrfs component of Linux kernel allows a hacker to trigger a service failure.

The vulnerability of the btrfssubmitChunk function in the btrfs component of Linux kernel is related to the dereferencing of a NULL pointer. Exploiting this vulnerability could allow an attacker to trigger a service failure...

The vulnerability of the btrfs component in the Linux operating system’s kernel allows a hacker to trigger a service failure.

The vulnerability of the walkdownproc function in the btrfs component of the Linux operating system is related to improper error handling. Exploiting this vulnerability can allow an attacker to cause a service failure...

The vulnerability of the btrfs component in the Linux operating system’s kernel allows a hacker to trigger a service failure.

The vulnerability of the btrfs component of the Linux operating system’s kernel is related to the assignment of the NULL pointer in the insertdelayedref function in fs/btrfs/delayed-ref.c. Exploiting this vulnerability can allow an attacker to trigger a service failure...

The vulnerability of the btrfs component in the Linux operating system’s kernel allows a hacker to trigger a service failure.

The vulnerability of the btrfs component of the Linux operating system’s kernel is related to the use of an uninitialized resource in the functions replayonename and checkiteminlog in fs/btrfs/tree-log.c. Exploiting this vulnerability could allow a attacker to cause a service failure...

Vulnerability of the btrfs_update_reloc_root() function (fs/btrfs/relocation.c) in the Linux kernel, allowing a hacker to trigger a service failure

The vulnerability of the btrfsupdaterelocroot function fs/btrfs/relocation.c in the Linux kernel is related to pointer manipulation. Exploiting this vulnerability could allow an attacker to trigger a service failure...