CVE-2026-89496: Undefined Security Weakness

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...

PT-2026-96381

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix readdir position truncation on 32-bit kernels In ocfs2 dir foreach blk el, the directory cookie position is rebuilt with ctx-pos = ctx-pos & sb-s blocksize - 1 | offset; ctx-pos is loff t signed 64-bit, while sb-s...

PT-2026-96341

In the Linux kernel, the following vulnerability has been resolved: ocfs2: bound namelen in dlm migrate request handler 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 ...

PT-2026-90208

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An out-of-bounds read issue exists in the ocfs2 module of the Linux kernel. The functions ocfs2 validate dx leaf and ocfs2 validate dx root fail to bound the ocfs2 dx entry list counts...

CVE-2026-89492: Undefined Security Weakness

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...

PT-2026-96386

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

PT-2026-96406

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 'copy file range' within the same filesystem: unreferenced object 0xffff88812192c980 size 32: com...

PT-2026-96534

In the Linux kernel, the following vulnerability has been resolved: ocfs2: validate lengths in dlm mig lockres handler A node receiving a DLM MIG LOCKRES message trusts several fields of the peer-supplied dlm migratable lockres without validation. num locks and lockname len are bounded only on th...

PT-2026-90206

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the ocfs2 file system where the directory cookie position is incorrectly rebuilt in the ocfs2 dir foreach blk el function on 32-bit kernels. This occurs because the ma...

PT-2026-90210

Name of the Vulnerable Software and Affected Versions Linux Kernel affected versions not specified Description In the ocfs2 module, a node receiving a DLM MIG LOCKRES message trusts several fields of the peer-supplied dlm migratable lockres without validation. Specifically, the num locks and...

PT-2026-90211

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description In the Linux kernel, the o2dlm receive handlers trust length and count fields from the wire without proper bounding. This allows a malicious or compromised node that has joined the DLM...

PT-2026-90207

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description Three related issues exist in the o2hb region pin function within the ocfs2 cluster component. First, the function is called while holding the o2hb live lock spinlock, but it invokes...

PT-2026-90212

Name of the Vulnerable Software and Affected Versions Linux kernel version 6.12.94 Description A memory leak exists in the ocfs2 component of the Linux kernel. This issue is triggered when performing a copy file range operation within the same filesystem. The leak occurs during copy-on-write...

PT-2026-96443

In the Linux kernel, the following vulnerability has been resolved: ocfs2: validate rl used against rl count in refcount block validator ocfs2 find refcount rec in rl walks the on-disk refcount record array with: for ; i rf records.rl used; i++ rec = &rb-rf records.rl recsi; ... rl recs lives in ...

CVE-2026-89493: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ocfs2: validate rlused against rlcount in refcount block validator ocfs2findrefcountrecinrl walks the on-disk refcount record array with: for ; i rfrecords.rlused; i++ rec = &rb-rfrecords.rlrecsi; ... rlrecs lives in a single...

PT-2026-90209

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the ocfs2 component of the Linux kernel where the ocfs2 validate refcount block function fails to validate the rl used and rl count variables against the actual on-dis...

Linux Distros Unpatched Vulnerability : CVE-2026-80881

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ocfs2: fix buffer head management in ocfs2readblocks In ocfs2readblocks, caller should't assume that buffer head returned by 'sbgetblk' is exclusively owned and...

Linux Distros Unpatched Vulnerability : CVE-2026-80879

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ocfs2: fix circular locking dependency in ocfs2dioendiowrite A circular locking dependency involves INODEALLOCSYSTEMINODE, EXTENTALLOCSYSTEMINODE, and...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-053263)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-053263 advisory. In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix possible deadlock between unlink and dioendiowrite ocfs2unlink takes orphan dir...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-053401)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-053401 advisory. In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix DIO failure due to insufficient transaction credits The code in ocfs2dioendiowrite...