Linux Distros Unpatched Vulnerability : CVE-2026-90434

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - isofs: release zisofs block pointer buffer head zisofsfillpages reads the compressed block pointer table. The error paths release the current bufferhead, the lo...

CVE-2026-90318 fat: release buffer head after rebuilding parent

In the Linux kernel, the following vulnerability has been resolved: fat: release buffer head after rebuilding parent fatscanlogstart leaves the matching directory entry's buffer head in sinfo.bh for the caller to release, just like fatscan. fatrebuildparent uses the directory entry to rebuild the...

CVE-2026-90318

CVE-2026-90318 affects the Linux kernel FAT filesystem. The vulnerability is a resource leak in fat_rebuild_parent(), which is used to rebuild the parent inode in the nostale_ro NFS export path . After a successful scan via fat_scan_logstart(), the matching directory entry's buffer head (sinfo.bh...

CVE-2026-90318 fat: release buffer head after rebuilding parent

In the Linux kernel, the following vulnerability has been resolved: fat: release buffer head after rebuilding parent fatscanlogstart leaves the matching directory entry's buffer head in sinfo.bh for the caller to release, just like fatscan. fatrebuildparent uses the directory entry to rebuild the...

CVE-2026-90318: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: fat: release buffer head after rebuilding parent fatscanlogstart leaves the matching directory entry's buffer head in sinfo.bh for the caller to release, just like fatscan. fatrebuildparent uses the directory entry to rebuild the...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerabilities have been resolved: ext4: Fixed a memory leak in ext4fillsuper. The buffer head references must be released before calling killbdev;. Otherwise, the buffer head and the page referenced by bdata will not be freed by killbdev, and subsequently, tha...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: jbd2: fixed a potential use-after-free issue in jbd2fcwaitbufs. In jbd2fcwaitbufs, using bh after referencing the buffer’s head count may lead to a use-after-free. Therefore, ensure that the buffer is updated before referencing i...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fixed a race condition between searching chunks and releasing the journalhead from the bufferhead. A race condition was encountered between ocfs2testbgbitallocatable and jbd2journalputjournalhead, resulting in the followin...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: gfs2: Fixed a use-after-free in the iomap inline data write path The inline data buffer head dibh is released prematurely in gfs2iomapbegin via releasemetapath, while iomap-inlinedata still points to dibh-bdata. This causes a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: jbd2: fixed the potential buffer head reference count leak. In the case of jbd2fcwaitbufs, if the buffer is not up-to-date, it will return -EIO without updating journal-jfcoff. However, in jbd2fcreleasebufs, the buffer head will ...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ext4: Fixed the issue where iloc.bh was leaked during the error paths of ext4fcreplayinode. During code review, Joseph discovered that ext4fcreplay inode calls ext4getfc inodelocation, which accesses iloc.bh. This reference mu...

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...

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...

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-2026-80881

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-2026-80881

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...

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...

PT-2026-85800

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the ocfs2 read blocks function regarding buffer head management. The function incorrectly assumes that the buffer head returned by sb getblk is exclusively owned,...