CVE-2026-53309

A flaw was found in the Linux kernel's OCFS2 Distributed Lock Manager DLM component. An off-by-one error in the dlmmatchregions function's region comparison loop causes it to read beyond the valid memory range of qrregions. This out-of-bounds read could lead to system instability or crashes...

PT-2026-43947

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the ocfs2 module where direct I/O DIO operations can lead to credit exhaustion in JBD2 Journaling Block Device, resulting in system warnings. This occurs during the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ocfs2: Fix for crashes when mounting with quota enabled There is a reported crash when mounting ocfs2 with quota enabled. Stack Trace: RIP: 0010:ocfs2qinfolockresinit+0x44/0x50 ocfs2 Call Trace: ocfs2localreadinfo+0xb9/0x6f0 ocfs...

CVE-2023-53564

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix defrag path triggering jbd2 ASSERT code path: ocfs2ioctlmoveextents ocfs2moveextents ocfs2defragextent ocfs2moveextent + ocfs2journalaccessdi + ocfs2splitextent //sub-paths call jbd2journalrestart + ocfs2journaldirty...

CVE-2023-53511 io_uring: fix fget leak when fs don't support nowait buffered read

In the Linux kernel, the following vulnerability has been resolved: iouring: fix fget leak when fs don't support nowait buffered read Heming reported a BUG when using iouring doing link-cp on ocfs2. 1 Do the following steps can reproduce this BUG: mount -t ocfs2 /dev/vdc /mnt/ocfs2 cp testfile...

UBUNTU-CVE-2025-37950

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix panic in failed foilio allocation commit 7e119cff9d0a "ocfs2: convert wpages to wfolios" and commit 9a5e08652dc4b "ocfs2: use an array of folios instead of an array of pages" save -ENOMEM in the folio array upon...

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 ocfs2 file system that can trigger null pointer dereferences during cleanup...

DEBIAN-CVE-2024-40951

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix NULL pointer dereference in ocfs2aborttrigger bdev-bdsuper has been removed and commit 8887b94d9322 change the usage from bdev-bdsuper to bassocmap-host-isb. Since ocfs2 hasn't set bh-bassocmap, it will trigger NULL...

UBUNTU-CVE-2024-40943

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix races between hole punching and AIO+DIO After commit "ocfs2: return real error code in ocfs2diowrgetblock", fstests/generic/300 become from always failed to sometimes failed:...