CVE-2025-68796

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid updating zero-sized extent in extent cache As syzbot reported: F2FS-fs loop0: updateextenttreerange: extent len is zero, type: 0, extent 0, 0, 0, age 0, 0 ------------ cut here ------------ kernel BUG at...

CVE-2025-68784

CVE-2025-68784 pertains to the Linux kernel (xfs). The issue is a use-after-free in xattr repair where xchk_setup_xattr_buf can allocate a new value buffer, potentially leaving ab->value references dangling. The fix moves the assignment to after the buffer setup, mitigating the dangling refere...

CVE-2025-68772

The CVE-2025-68772 entry relates to the Linux kernel f2fs subsystem. The issue arises during writeback when compression context is updated for a possibly compressed file, leading to a race where i_cluster_size may be inconsistent (0 vs 4) and can trigger a divide-by-zero in f2fs_all_cluster_page_...

CVE-2025-68772 f2fs: fix to avoid updating compression context during writeback

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid updating compression context during writeback Bai, Shuangpeng reported a bug as below: Oops: divide error: 0000 1 SMP KASAN PTI CPU: 0 UID: 0 PID: 11441 Comm: syz.0.46 Not tainted 6.17.0 1 PREEMPTfull Hardware...

CVE-2025-68771

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix kernel BUG in ocfs2findvictimchain syzbot reported a kernel BUG in ocfs2findvictimchain because the clnextfreerec field of the allocation chain list next free slot in the chain list is 0, triggring the...

Astra Linux – vulnerability in linux-6.12

In the Linux kernel, the following vulnerability has been resolved: NFS: Fix LTP test failures when timestamps are delegated The utimes01 and utime06 tests fail when delegated timestamps are enabled, specifically in subtests that modify the atime and mtime fields using the ‘nobody’ user ID. The...

Astra Linux – vulnerability in linux-6.12

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix infinite loop in insertextenttree When we receive incorrect extent information and look up extentnode in the rb tree, this can lead to an infinite loop CONFIGF2FSCHECKFS=n. To prevent this, we return NULL and print...

Astra Linux – vulnerability in linux-6.12

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix refcount leak in nfsdsetfhdentry nfsd exports a “pseudo root filesystem” which is used by NFSv4 to locate various exported fileystems via LOOKUP requests directed at a known root filehandle. NFSv3 relies on the MOUNT...

Astra Linux – vulnerability in linux-6.1, linux-6.12

In the Linux kernel, the following vulnerability has been resolved: ocfs2: Clear extent cache after moving/defragmenting extents The extent map cache can become stale when extents are moved or defragmented, causing subsequent operations to see outdated extent flags. This triggers a BUGON in...

Astra Linux – vulnerability in linux-6.12

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix subvolume deletion lockup caused by inodes xarray race There is a race condition between inode eviction and inode caching that can cause a live struct btrfsinode to be missing from the root-inodes xarray. Specifically,...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: btrfs: Do not assert that we found a block group item when creating a free space tree. Currently, when building a free space tree using populatefreespacetree, if the block group tree feature is not enabled, we always expect to fi...

kernel: nfsd: handle get_client_locked() failure in nfsd4_setclientid_confirm()

A vulnerability has been identified in the Linux kernel's Network File System NFS daemon that could allow for a Denial of Service and in worst case scenario Arbitrary Code Execution. This Use-After-Free flaw arises from a race condition when the kernel handles the confirmation of an NFS client...

ROS-20260113-7345

A vulnerability in the ext4fillsuper function in the fs/ext4/super.c module of the ext4 file system of the Linux kernel is related to the reuse of previously freed memory. Exploitation of the vulnerability may allow an intruder to affect confidentiality, integrity and availability of protected...

PT-2026-2670

Name of the Vulnerable Software and Affected Versions Windows versions affected versions not specified Description A heap-based buffer overflow exists in the Windows Common Log File System Driver. Exploitation of this issue can allow an authorized attacker to elevate privileges locally. The issue...

Microsoft Windows Common Log File System Driver security vulnerabilities

The Microsoft Windows Common Log File System Driver is Microsoft's Common Log File System CLFS API that provides a high-performance, general-purpose log file subsystem that can be used by specialized client applications and shared by multiple clients to optimize logging and access. access. A...

MiracleLinux 9 : kernel-5.14.0-570.58.1.el9_6 (AXSA:2025-11021:85)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2025-11021:85 advisory. kernel: vsock/virtio: Validate length in packet header before skbput CVE-2025-39718 kernel: NFS: Fix filehandle bounds checking in nfsfhtodentry...

Linux Kernel Security Vulnerabilities

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 a potential deadlock issue in f2fs, which could lead to a deadlock...

MiracleLinux 9 : kernel-5.14.0-503.19.1.el9_5 (AXSA:2025-9562:06)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2025-9562:06 advisory. kernel: Bluetooth: l2cap: fix null-ptr-deref in l2capchantimeout CVE-2024-27399 kernel: bpf: Add BPFPROGTYPECGROUPSKB attach type enforcement in...

MiracleLinux 8 : kernel-4.18.0-553.78.1.el8_10 (AXSA:2025-10963:77)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2025-10963:77 advisory. kernel: smb: client: fix use-after-free in cifsoplockbreak CVE-2025-38527 kernel: NFS: Fix filehandle bounds checking in nfsfhtodentry CVE-2025-397...

ROS-20260113-7321

A vulnerability in the f2fssetattr function of the fs/f2fs/file.c module of the Linux kernel's F2FS file system support is related to improper control of resource identifiers "resource injection". Exploitation of the vulnerability may allow a remote intruder to affect the integrity of protected...