Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from the btrfs filesystem not unlocking a page when cowfilerange fails, which could lead to a task hang...

PT-2025-26015 · Btrfs +1 · Btrfs +1

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 5.16.0-rc1+ Description: A vulnerability in the Linux kernel has been resolved, related to the btrfs file system. The issue causes a hang when the cow file range function fails during allocation, leaving pages...

PT-2025-25993 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A use-after-free bug has been identified in the Linux kernel, specifically in the btrfs file system. The issue arises when the btrfs commit transaction function fails, causing the relo...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: btrfs: Avoid NULL pointer dereferencing if no valid csum tree exists. BUG When attempting a read-only scrub operation on a btrfs volume with the rescue=idatacsums mount option, the operation will crash due to the following call...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: btrfs: Fixed a use-after-free issue when attempting to join an aborted transaction. When trying to join the current transaction, if it aborts, we read its “aborted” field after unlocking fsinfo-translock, without holding any...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: btrfs: Fixed an assertion failure that occurred when splitting an ordered extent after a transaction abort. If a direct IO write transaction abort occurs, we mark all existing ordered extents with the BTRFSORDEREDIOERR flag done...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: hardened the blockgroup::bglist against race conditions involving listdel. As far as I can see, calls to listdelinit on bglist cannot run concurrently with btrfs.markbgunused or btrfs.markbgtoreclaim, as these operation...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: Proper folio cleanup should be performed when rundelallocnocow fails. BUG With CONFIGDEBUGVM set, test case generic/476 may crash due to the following VMBUGONFOLIO issues: - BTRFS error device dm-3: cowfilerange failed;...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: zoned: return EIO on RAID1 block group write pointer mismatch There was a bug report regarding a NULL pointer dereference in btrfsaddfreespacezoned, which occurs due to a conversion from the default metadata profile DUP...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: btrfs: Do not call BUGON when the reference count is 0 at btrfslookupextentinfo. Instead of calling BUGON, handle the error by returning -EUCLEAN, aborting the transaction, and logging an error message...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: btrfs: Proper handling of errors from btrfsdecref. In walkupproc, we have a BUGONret from btrfsdecref. This is incorrect; we have proper error handling here, and the error is returned...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: btrfs: The program exits after a state insertion failure at btrfsconvertextentbit. If the insertstate function fails, it returns an error pointer. We then call extentiotreepanic, which will trigger a BUG. However, if CONFIGBUG is...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: Fixed a double accounting race when btrfsrundelallocrange fails. BUG When running btrfs with a block size 4K smaller than the page size 64K, aarch64, there is a very high chance of crashing the kernel at generic/750, wi...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: corrected the order of the prelimref arguments in btrfsprelimref The btrfsprelimref function calls the old and new reference variables in the incorrect order. This causes a NULL pointer dereference because oldref is...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: btrfs: The folio mapping is checked after unlocking in relocateonefolio. When we call btrfsreadfolio to update a folio, we unlock the folio. As a result, another thread can modify the mapping such as removing it using invalidate...

TencentOS Server 4: kernel (TSSA-2024:0960)

"The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2024:0960 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilitie...

Amazon Linux 2023 : bpftool, kernel6.12, kernel6.12-modules-extra (ALAS2023-2025-994)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2025-994 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: do proper folio cleanup when cowfilerange failed CVE-2024-57976 In the Linux kernel, the following vulnerability has...

CLSA-2025-1749548218 Fix of 6 CVEs

CVE-url: https://ubuntu.com/security/CVE-2024-57896 - btrfs: flush delalloc workers queue before stopping cleaner kthread during unmount CVE-url: https://ubuntu.com/security/CVE-2024-56551 - drm/amdgpu: fix usage slab after free CVE-url: https://ubuntu.com/security/CVE-2021-47211 - ALSA: usb-audi...

Important: kernel6.12

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: btrfs: do proper folio cleanup when cowfilerange failed CVE-2024-57976 In the Linux kernel, the following vulnerability has been resolved: kernel: be more careful about dupmmap failures and uprobe registering...

The vulnerability of the `btrfs_truncate inode items()` function in the `fs/btrfs/ctree.h` module of the Linux file system support module allows a attacker to cause a service failure.

The vulnerability of the btrfstruncate inode items function in the fs/btrfs/ctree.h module of the Linux file system support library is related to synchronization errors when using shared resources. Exploiting this vulnerability can allow an attacker to cause service failures...