PT-2026-51934

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A crafted filesystem can trigger an out-of-bounds bitmap walk in the Linux kernel. This occurs when OCFS2 IOC INFO is issued with OCFS2 INFO FL NON COHERENT. The issue stems from the ocf...

ocfs2: split transactions in dio completion to avoid credit exhaustion

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CVE-2026-46080

CVE-2026-46080 : In the Linux kernel, the ocfs2 code path is fixed to prevent credit-exhaustion during direct I/O (dio) by splitting transactions in dio completion and batching extent handling. The patch relocates removing inodes from the orphan list until the extent tree update completes, reduci...

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 improper transaction splitting during direct I/O completion in ocfs2, potentially leading to...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iouring: Fixed a fget leak when the file system does not support nowait buffered reads. Heming reported a bug when using iouring for link-cp operations on ocfs2. 1 The following steps can reproduce this bug: mount -t ocfs2 /dev/v...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-021655)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021655 advisory. In the Linux kernel, the following vulnerability has been resolved: ocfs2: free inode when ocfs2getinitinode fails syzbot is reporting busy inodes after unmount, for...

CVE-2026-43168

A flaw was found in the Linux kernel's Oracle Cluster File System version 2 ocfs2. This vulnerability arises from an issue in the reflink preserve cleanup process, where the system incorrectly handles extended attribute xattr entries. The cleanup logic fails to properly manage pointers and clean ...

CVE-2026-43168

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix reflink preserve cleanup issue commit c06c303832ec "ocfs2: fix xattr array entry countedby error" doesn't handle all cases and the cleanup job for preserved xattr entries still has bug: - the 'last' pointer should be...

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 array entry processing error in the reflink cleanup mechanism of ocfs2, potentially leading to...

PT-2026-37385

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An out-of-bounds write exists in the ocfs2 write end inline function. The issue occurs because ocfs2 try to write inline data relies on the on-disk id count field to determine if a write...

ocfs2: fix possible deadlock between unlink and dio_end_io_write

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CVE-2026-31596

A flaw was found in the OCFS2 Oracle Cluster File System, version 2 component of the Linux kernel. A local attacker with control over a specially crafted filesystem could exploit a vulnerability in the ocfs2groupextend function. This flaw arises from an insufficient validation of a global bitmap...

CVE-2026-31596 ocfs2: handle invalid dinode in ocfs2_group_extend

In the Linux kernel, the following vulnerability has been resolved: ocfs2: handle invalid dinode in ocfs2groupextend BUG kernel BUG at fs/ocfs2/resize.c:308! Oops: invalid opcode: 0000 1 SMP KASAN NOPTI RIP: 0010:ocfs2groupextend+0x10aa/0x1ae0 fs/ocfs2/resize.c:308 Code: 8b8520ff ffff83f8 860f858...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-005518)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005518 advisory. In the Linux kernel, the following vulnerability has been resolved: ocfs2: reserve space for inline xattr before attaching reflink tree One of our customers reported...

Vulnerability of the __ocfs2MoveExtent() function in the fs/ocfs2/move_extents.c module of the OCFS2 file system in the Linux operating system, allowing a hacker to cause a service failure

The vulnerability of the ocfs2MoveExtent function in the fs/ocfs2/moveextents.c file of the OCFS2 file system in the Linux operating system is related to the improper disabling or release of resources. Exploiting this vulnerability may allow a remote attacker to cause service interruptions...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-005107)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005107 advisory. In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix DIO failure due to insufficient transaction credits The code in ocfs2dioendiowrite...

ROS-20260126-73-0034

A vulnerability in the ocfs2 component of the Linux operating system kernel is related to reading outside the allowed data buffer boundaries. Exploitation of the vulnerability could allow an attacker to cause a denial of service...

The vulnerability of the `ocfs2_find_victim_chain()` function in the `fs/ocfs2/suballoc.c` component of the OCFS2 file system support in Linux’s kernel allows a malicious actor to cause a service failure.

The vulnerability of the ocfs2findvictimchain function in the fs/ocfs2/suballoc.c component of the OCFS2 file system support in Linux’s kernel involves the use of an uninitialized variable. Exploiting this vulnerability could allow an attacker to cause a service failure...

Azure Linux 3.0 Security Update: kernel (CVE-2024-40951)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-40951 advisory. - In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix NULL pointer dereference in...

MiracleLinux 3 : net-snmp-5.3.2.2-20.0.1.AXS3 (AXSA:2013-32:01)

The remote MiracleLinux 3 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2013-32:01 advisory. SNMP Simple Network Management Protocol is a protocol used for network management. The NET-SNMP project includes various SNMP tools: an extensible agent, an SN...