EUVD-2026-45462

In the Linux kernel, the following vulnerability has been resolved: ocfs2: reject oversized group bitmap descriptors ocfs2validategdparent only bounds bgbits against the parent allocator's chain geometry. A malicious descriptor can still claim a bgsize/bgbits pair that exceeds the bitmap bytes th...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ocfs2: The BUG function was replaced with ocfs2error in ocfs2MoveExtent. In ocfs2MoveExtent, the BUG function was changed to ocfs2error simply to avoid causing the entire kernel to crash due to filesystem corruption...

DEBIAN-CVE-2026-53309

In the Linux kernel, the following vulnerability has been resolved: ocfs2/dlm: fix off-by-one in dlmmatchregions region comparison The local-vs-remote region comparison loop uses '=' instead of '', causing it to read one entry past the valid range of qrregions. The other loops in the same functio...

CVE-2026-53309

In the Linux kernel, the following vulnerability has been resolved: ocfs2/dlm: fix off-by-one in dlmmatchregions region comparison The local-vs-remote region comparison loop uses '=' instead of '', causing it to read one entry past the valid range of qrregions. The other loops in the same functio...

PT-2026-52948

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An off-by-one error exists in the dlm match regions function within the ocfs2/dlm component. The local-vs-remote region comparison loop incorrectly uses the = operator instead of , which...

CVE-2026-53039

A flaw was found in the OCFS2 Oracle Cluster File System 2 component of the Linux kernel. A local user could exploit an input validation vulnerability in the OCFS2IOCGROUPADD ioctl. This flaw allows an attacker to trigger a kernel panic, resulting in a denial of service DoS for the affected syste...

CVE-2026-53039

In the Linux kernel, the following vulnerability has been resolved: ocfs2: validate group add input before caching BUG OCFS2IOCGROUPADD can trigger a BUGON in ocfs2setnewbufferuptodate: kernel BUG at fs/ocfs2/uptodate.c:509! Oops: invalid opcode: 0000 1 SMP KASAN NOPTI RIP:...

CVE-2026-53039 ocfs2: validate group add input before caching

In the Linux kernel, the following vulnerability has been resolved: ocfs2: validate group add input before caching BUG OCFS2IOCGROUPADD can trigger a BUGON in ocfs2setnewbufferuptodate: kernel BUG at fs/ocfs2/uptodate.c:509! Oops: invalid opcode: 0000 1 SMP KASAN NOPTI RIP:...

CVE-2026-46080

In the Linux kernel, the following vulnerability has been resolved: ocfs2: split transactions in dio completion to avoid credit exhaustion During ocfs2 dio operations, JBD2 may report warnings via following call trace: ocfs2dioendiowrite ocfs2markextentwritten ocfs2changeextentflag ocfs2splitexte...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ocfs2: Fix for defragmentation path triggering jbd2 assertion. Code paths: - ocfs2ioctlmoveextents - ocfs2moveextents - ocfs2defragextent - ocfs2moveextent - + ocfs2journalaccessdi - + ocfs2splitextent // Sub-path calls...

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...

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...

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...

Unity Linux 20.1050e / 20.1070e Security Update: kernel (UTSA-2026-011267)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011267 advisory. In the Linux kernel, the following vulnerability has been resolved: ocfs2: clear extent cache after moving/defragmenting extents The extent map cache can become stal...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007582)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007582 advisory. In the Linux kernel, the following vulnerability has been resolved: ocfs2: clear extent cache after moving/defragmenting extents The extent map cache can become stal...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-005513)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005513 advisory. In the Linux kernel, the following vulnerability has been resolved: ocfs2: cancel dqisyncwork before freeing oinfo ocfs2globalreadinfo will initialize and schedule...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ocfs2: Clearing the 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 i...

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...