CVE-2026-45858

In the Linux kernel, the following vulnerability has been resolved: ext4: don't zero the entire extent if EXT4EXTDATAPARTIALVALID1 When allocating initialized blocks from a large unwritten extent, or when splitting an unwritten extent during end I/O and converting it to initialized, there is...

CVE-2025-71309

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: fix deadlock in nireadfoliocmpr Syzbot reported a task hung in nireadpagecmpr now nireadfoliocmpr. This is caused by a lock inversion deadlock involving the inode mutex nilock and page locks. Scenario: 1. Task A enters...

PT-2026-43801

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue in the btrfs file system can lead to a transaction abort with an EEXIST error Object already exists during chunk allocation. This occurs due to non-consecutive gaps in chunk...

CVE-2026-45942

In the Linux kernel, the following vulnerability has been resolved: ext4: fix e4b bitmap inconsistency reports A bitmap inconsistency issue was observed during stress tests under mixed huge-page workloads. Ext4 reported multiple e4b bitmap check failures like: ext4mbcomplexscangroup:2508: group...

CVE-2026-46078

In the Linux kernel, the following vulnerability has been resolved: erofs: fix the out-of-bounds nameoff handling for trailing dirents Currently we already have boundary-checks for nameoffs, but the trailing dirents are special since the namelens are calculated with strnlen with unchecked nameoff...

CVE-2026-45861

In the Linux kernel, the following vulnerability has been resolved: gfs2: Fix slab-use-after-free in qdput Commit a475c5dd16e5 "gfs2: Free quota data objects synchronously" started freeing quota data objects during filesystem shutdown instead of putting them back onto the LRU list, but it failed ...

PT-2026-43872

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A resource leak exists in the xfs alloc buftarg function within the XFS file system. The issue occurs in the error path where the DAX Direct Access device reference is not properly...

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 can trigger an infinite loop if the valid values remain constant during processing in the ntfs3 file system...

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 ext4 file system failing when splitting unwritten intervals, potentially leaving outdated...

PT-2026-43725

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the ext4 file system when allocating initialized blocks from a large unwritten extent or splitting an unwritten extent during end I/O. A potential for stale data occur...

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 ext4 file system failing to discard expired interval caches when splitting intervals. This...

PT-2026-43694

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: fix ntfs mount options leak in ntfs fill super In ntfs fill super, the fc-fs private pointer is set to NULL without first freeing the memory it points to. This causes the subsequent call to ntfs fs free to skip freeing...

CVE-2026-45983

In the Linux kernel, the following vulnerability has been resolved: nfsd: never defer requests during idmap lookup During v4 request compound arg decoding, some ops e.g. SETATTR can trigger idmap lookup upcalls. When those upcall responses get delayed beyond the allowed time limit, cachecheck wil...

CVE-2026-46100

In the Linux kernel, the following vulnerability has been resolved: fs: afs: revert mmapprepare change Partially reverts commit 9d5403b1036c "fs: convert most other genericfilemmap users to .mmapprepare". This is because the .mmap invocation establishes a refcount, but .mmapprepare is called at a...

PT-2026-43791

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the ksmbd module where the function ksmbd vfs kern path end removing is not called on certain error paths. This failure to balance the corresponding ksmbd vfs kern pat...

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 ext4 module’s inability to write to unallocated regions, potentially leading to issues with...

ROS-20260527-73-0002

A vulnerability in the NFSv4.0 component of the Linux operating system kernel is related to incorrect calculations of the allocated buffer size. Exploitation of the vulnerability could allow an attacker to cause a denial of service...

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 insufficient boundary checking in the checkxattrs function of the ext4 file system. This...

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 gfs2 file system’s gfs2fillsuper function. The improper handling of this function, particular...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from an issue with the erofs file system where the inline data reading of ztailpacking pclusters may lead to...