Unity Linux 20.1050a Security Update: kernel (UTSA-2026-053396)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-053396 advisory. In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix slab-use-after-free due to dangling pointer dqipriv When mounting ocfs2 and then...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-053345)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-053345 advisory. In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix possible null-ptr-deref in ocfs2setbufferuptodate When doing cleanup, if flags without...

SUSE CVE-2026-80809

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix missing metadata reservation for large xattrs BUG lsetxattr panics the kernel when setting a large xattr value on a fragmented filesystem where the file already has an external xattr block. CAUSE ocfs2calcxattrsetneed...

SUSE CVE-2026-80879

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix circular locking dependency in ocfs2dioendiowrite A circular locking dependency involves INODEALLOCSYSTEMINODE, EXTENTALLOCSYSTEMINODE, and ORPHANDIRSYSTEMINODE. 1. ocfs2mknod acquires INODEALLOC then EXTENTALLOC. 2...

SUSE CVE-2026-80881

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix buffer head management in ocfs2readblocks In ocfs2readblocks, caller should't assume that buffer head returned by 'sbgetblk' is exclusively owned and so 'putbh' always drops bcount from 1 to 0. If it is not so, buffer...

USN-8714-2 linux-aws-5.4, linux-gcp, linux-gcp-5.4 vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - OCFS2 file system; - SCTP protocol; CVE-2026-53043, CVE-2026-53224, CVE-2026-53225, CVE-2026-53246, CVE-2026-53309...

USN-8714-2: Linux kernel vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - OCFS2 file system; - SCTP protocol; CVE-2026-53043, CVE-2026-53224, CVE-2026-53225, CVE-2026-53246, CVE-2026-53309...

USN-8725-1: Linux kernel vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - NVIDIA Tegra memory controller driver; - File systems infrastructure; - Network file system NFS server daemon; -...

USN-8725-1 linux, linux-aws, linux-fips, linux-kvm, linux-lts-xenial vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - NVIDIA Tegra memory controller driver; - File systems infrastructure; - Network file system NFS server daemon; -...

CVE-2026-80881

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix buffer head management in ocfs2readblocks In ocfs2readblocks, caller should't assume that buffer head returned by 'sbgetblk' is exclusively owned and so 'putbh' always drops bcount from 1 to 0. If it is not so, buffer...

CVE-2026-80879

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix circular locking dependency in ocfs2dioendiowrite A circular locking dependency involves INODEALLOCSYSTEMINODE, EXTENTALLOCSYSTEMINODE, and ORPHANDIRSYSTEMINODE. 1. ocfs2mknod acquires INODEALLOC then EXTENTALLOC. 2...

CVE-2026-80881 ocfs2: fix buffer head management in ocfs2_read_blocks()

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix buffer head management in ocfs2readblocks In ocfs2readblocks, caller should't assume that buffer head returned by 'sbgetblk' is exclusively owned and so 'putbh' always drops bcount from 1 to 0. If it is not so, buffer...

CVE-2026-80881

This Linux kernel vulnerability affects the OCFS2 (Oracle Cluster File System 2) filesystem in the ocfs2_read_blocks() function. The root cause is an incorrect assumption of exclusive ownership of buffer heads returned by sb_getblk(): when put_bh() does not drop the reference count to zero, the b...

CVE-2026-80881 ocfs2: fix buffer head management in ocfs2_read_blocks()

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix buffer head management in ocfs2readblocks In ocfs2readblocks, caller should't assume that buffer head returned by 'sbgetblk' is exclusively owned and so 'putbh' always drops bcount from 1 to 0. If it is not so, buffer...

EUVD-2026-71511

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix buffer head management in ocfs2readblocks In ocfs2readblocks, caller should't assume that buffer head returned by 'sbgetblk' is exclusively owned and so 'putbh' always drops bcount from 1 to 0. If it is not so, buffer...

CVE-2026-80881

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix buffer head management in ocfs2readblocks In ocfs2readblocks, caller should't assume that buffer head returned by 'sbgetblk' is exclusively owned and so 'putbh' always drops bcount from 1 to 0. If it is not so, buffer...

CVE-2026-80879 ocfs2: fix circular locking dependency in ocfs2_dio_end_io_write

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix circular locking dependency in ocfs2dioendiowrite A circular locking dependency involves INODEALLOCSYSTEMINODE, EXTENTALLOCSYSTEMINODE, and ORPHANDIRSYSTEMINODE. 1. ocfs2mknod acquires INODEALLOC then EXTENTALLOC. 2...

CVE-2026-80879 ocfs2: fix circular locking dependency in ocfs2_dio_end_io_write

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix circular locking dependency in ocfs2dioendiowrite A circular locking dependency involves INODEALLOCSYSTEMINODE, EXTENTALLOCSYSTEMINODE, and ORPHANDIRSYSTEMINODE. 1. ocfs2mknod acquires INODEALLOC then EXTENTALLOC. 2...

EUVD-2026-71509

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix circular locking dependency in ocfs2dioendiowrite A circular locking dependency involves INODEALLOCSYSTEMINODE, EXTENTALLOCSYSTEMINODE, and ORPHANDIRSYSTEMINODE. 1. ocfs2mknod acquires INODEALLOC then EXTENTALLOC. 2...

CVE-2026-80879

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix circular locking dependency in ocfs2dioendiowrite A circular locking dependency involves INODEALLOCSYSTEMINODE, EXTENTALLOCSYSTEMINODE, and ORPHANDIRSYSTEMINODE. 1. ocfs2mknod acquires INODEALLOC then EXTENTALLOC. 2...