SUSE CVE-2026-89495

In the Linux kernel, the following vulnerability has been resolved: ocfs2: bound namelen in dlmmigraterequesthandler Patch series "ocfs2/dlm: bound peer-controlled lengths in the o2dlm". The o2dlm receive handlers trust u8 length and count fields from the wire without bounding them, so a node in ...

SUSE CVE-2026-89496

In the Linux kernel, the following vulnerability has been resolved: ocfs2: always run deallocs on copy-on-write completion Local fuzzing of 6.12.94 has found the following memory leak caused by doing 'copyfilerange' within the same filesystem: unreferenced object 0xffff88812192c980 size 32: comm...

OESA-2026-3705 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: 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 pa...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ocfs2: Passing a u64 value to ocfs2truncateInline may lead to an overflow. Syzbot reported a kernel bug in ocfs2truncateInline. There are two reasons for this: first, the passed parameter value is greater than...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fixed DIO failure due to insufficient transaction credits The code in ocfs2dioendiowrite estimates the number of transaction credits required using ocfs2calcextendcredits. However, this does not take into account that the ...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ocfs2: A potential NULL pointer dereferencing has been fixed in ocfs2setbufferuptodate. During cleanup, if flags do not include OCFS2BHREADAHEAD, it may trigger a NULL pointer dereferencing in the ocfs2setbufferuptodate function,...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: ocfs2: fixed a memory leak in ocfs2stackglueinit The ocfs2tableheader should be freed in ocfs2stackglueinit if ocfs2sysfsinit fails; otherwise, kmemleak will report a memory leak. BUG: Memory leak Unreferenced object...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15

In the Linux kernel, the following vulnerability has been resolved: ocfs2: Avoid touching a renamed directory if its parent does not change. The VFS will not lock the moved directory if its parent does not change. Modify the ocfs2 rename code to avoid touching the renamed directory if its parent...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ocfs2: Fixed data corruption after conversion from inline format. The commit 6dbf7bb55598 “fs: Do not invalidate page buffers in blockwritefullpage” uncovered a latent bug in the conversion from inline inode format to a normal...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ocfs2: A memory leak has been fixed in ocfs2mountvolume. There is a memory leak reported by kmemleak: - Unreferenced object: 0xffff88810cc65e60 size: 32 - Command: “mount.ocfs2”, PID: 23753, Jiffies: 4302528942 Age: 34735.105s...

SUSE CVE-2026-89490

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix readdir position truncation on 32-bit kernels In ocfs2dirforeachblkel, the directory cookie position is rebuilt with ctx-pos = ctx-pos & sb-sblocksize - 1 | offset; ctx-pos is lofft signed 64-bit, while sb-sblocksize i...

SUSE CVE-2026-89492

In the Linux kernel, the following vulnerability has been resolved: ocfs2: validate directory-index entry counts when reading metadata ocfs2validatedxleaf and ocfs2validatedxroot check the ECC and signature of an indexed-directory block before it reaches higher-level callers, but neither validato...

SUSE CVE-2026-89494

In the Linux kernel, the following vulnerability has been resolved: ocfs2: validate lengths in dlmmiglockreshandler A node receiving a DLMMIGLOCKRES message trusts several fields of the peer-supplied dlmmigratablelockres without validation. numlocks and locknamelen are bounded only on the sending...

CVE-2026-89496

A flaw was found in ocfs2, the Oracle Cluster File System, within the Linux kernel. A local user could exploit this vulnerability by performing a copyfilerange operation within the same filesystem. This can lead to a memory leak, potentially causing resource exhaustion and a Denial of Service DoS...

Linux Distros Unpatched Vulnerability : CVE-2026-89493

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ocfs2: validate rlused against rlcount in refcount block validator ocfs2findrefcountrecinrl walks the on-disk refcount record array with: for ; i...

Linux Distros Unpatched Vulnerability : CVE-2026-89496

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ocfs2: always run deallocs on copy-on-write completion Local fuzzing of 6.12.94 has found the following memory leak caused by doing 'copyfilerange' within the...

Linux Distros Unpatched Vulnerability : CVE-2026-89495

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ocfs2: bound namelen in dlmmigraterequesthandler Patch series ocfs2/dlm: bound peer-controlled lengths in the o2dlm. The o2dlm receive handlers trust u8 length...

Linux Distros Unpatched Vulnerability : CVE-2026-89494

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ocfs2: validate lengths in dlmmiglockreshandler A node receiving a DLMMIGLOCKRES message trusts several fields of the peer-supplied dlmmigratablelockres without...

Linux Distros Unpatched Vulnerability : CVE-2026-89492

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ocfs2: validate directory-index entry counts when reading metadata ocfs2validatedxleaf and ocfs2validatedxroot check the ECC and signature of an...

Linux Distros Unpatched Vulnerability : CVE-2026-89490

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ocfs2: fix readdir position truncation on 32-bit kernels In ocfs2dirforeachblkel, the directory cookie position is rebuilt with ctx-pos = ctx-pos & sb-sblocksiz...