Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: LoongArch: The ioaw hook was defined as mmiowb. The commit fb24ea52f78e0d595852e states that “drivers: Explicit invocations of mmiowb were removed.” All occurrences of mmiowb in drivers were removed. However, it is noted that:...

PT-2026-72351

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A NULL pointer dereference in the ocfs2 assure trans credits function can cause a kernel panic. This occurs during Direct I/O DIO completion when a direct write over unwritten extents...

EUVD-2026-45871

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Remove latent out-of-bounds access in IOMMU debugfs In iommummiowrite and iommucapabilitywrite, the variables dbgmmiooffset and dbgcapoffset are declared as int. However, they are populated using kstrtou32fromuser. If ...

SUSE 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...

CVE-2026-31598

Summary of CVE-2026-31598 (ocfs2 deadlock) : In the Linux kernel OCFS2, a potential deadlock arises from ABBA lock ordering between unlink and dio_end_io_write. The path in unlink acquires inode_lock (orphan_dir_inode) before ip_alloc_sem, while dio_end_io_write acquires ip_alloc_sem first, then ...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001611)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001611 advisory. A flaw was found in the Linux kernel. An index buffer overflow during Direct IO write leading to the NFS client to crash. In some cases, a reach out of the index aft...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-004362)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004362 advisory. A flaw was found in the Linux kernel. An index buffer overflow during Direct IO write leading to the NFS client to crash. In some cases, a reach out of the index aft...

EUVD-2022-55136

In the Linux kernel, the following vulnerability has been resolved: btrfs: release correct delalloc amount in direct IO write path Running generic/406 causes the following WARNING in btrfsdestroyinode which tells there are outstanding extents left. In btrfsgetblocksdirectwrite, we reserve a...

EUVD-2020-3164

Malware in sbrugna...

CVE-2023-21651

Memory Corruption in Core due to incorrect type conversion or cast in secureioread/write function in TEE...

Linux Distros Unpatched Vulnerability : CVE-2021-47508

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - btrfs: free exchange changeset on failures Fstests runs on my VMs have show several kmemleak reports like the following. unreferenced object 0xffff88811ae59080...

Linux Distros Unpatched Vulnerability : CVE-2020-10742

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in the Linux kernel. An index buffer overflow during Direct IO write leading to the NFS client to crash. In some cases, a reach out of the inde...

SUSE CVE-2022-49547

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix deadlock between concurrent dio writes when low on free data space When reserving data space for a direct IO write we can end up deadlocking if we have multiple tasks attempting a write to the same file range, there ar...

CVE-2025-21754

The CVE-2025-21754 affects Linux kernel btrfs behavior. When a direct IO write triggers a transaction abort, ordered extents are marked with BTRFS_ORDERED_IOERR, and if an ordered extent still has bytes remaining, btrfs_split_ordered_extent() asserts on flags. The documented root cause is an asse...

DEBIAN-CVE-2022-49068

In the Linux kernel, the following vulnerability has been resolved: btrfs: release correct delalloc amount in direct IO write path Running generic/406 causes the following WARNING in btrfsdestroyinode which tells there are outstanding extents left. In btrfsgetblocksdirectwrite, we reserve a...

CVE-2022-49547

CVE-2022-49547 relates to a Linux kernel issue in btrfs where deadlocks can occur when reserving data space for direct IO writes under low free space. The deadlock involves concurrent writes to overlapping file ranges ([0,128K) and [128K,256K)) contending for the inode lock and for ordered extent...

CVE-2022-49068

In the Linux kernel, the following vulnerability has been resolved: btrfs: release correct delalloc amount in direct IO write path Running generic/406 causes the following WARNING in btrfsdestroyinode which tells there are outstanding extents left. In btrfsgetblocksdirectwrite, we reserve a...

CVE-2022-49068 btrfs: release correct delalloc amount in direct IO write path

In the Linux kernel, the following vulnerability has been resolved: btrfs: release correct delalloc amount in direct IO write path Running generic/406 causes the following WARNING in btrfsdestroyinode which tells there are outstanding extents left. In btrfsgetblocksdirectwrite, we reserve a...

CVE-2022-49068: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: btrfs: release correct delalloc amount in direct IO write path Running generic/406 causes the following WARNING in btrfsdestroyinode which tells there are outstanding extents left. In btrfsgetblocksdirectwrite, we reserve a...

PT-2025-8866

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.13.0-rc5-syzkaller Description The issue arises when a transaction abort occurs during a direct IO write in the Linux kernel, specifically in the btrfs file system. This can lead to an assertion failure in the...