Astra Linux – Vulnerability in Linux 5.15

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-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...

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 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 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:...