kernel: ovl: check access to copy_file_range source with src mounter creds

A flaw was found in the Linux kernel's overlayfs component. When copying files across different overlay filesystems, the system incorrectly checked read permissions using the destination filesystem's credentials instead of the source's. This oversight could allow an unauthorized user to read file...

kernel: ovl: check access to copy_file_range source with src mounter creds

A flaw was found in the Linux kernel's overlayfs component. When copying files across different overlay filesystems, the system incorrectly checked read permissions using the destination filesystem's credentials instead of the source's. This oversight could allow an unauthorized user to read file...

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

In the Linux kernel, the following vulnerability has been resolved: ocfs2: Fixed an out-of-bounds write in ocfs2writeendinline. KASAN reports a use-after-free write of 4086 bytes in ocfs2writeendinline, which is called from ocfs2writeendnolock during a copyfilerange operation in a corrupted ocfs2...

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...

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-2026-89496

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...

CVE-2026-89704

A flaw was found in the Linux kernel's nfsd component. The nfsdcopyfilerange function incorrectly samples the writeback error cursor after the copy loop. This allows a concurrent write operation to advance the error cursor prematurely. As a result, the system may report that data has been...

DEBIAN-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...

AZL-100295 CVE-2026-89496 affecting package kernel 6.6.150.1-1

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...

UBUNTU-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...

CVE-2026-89496 ocfs2: always run deallocs on copy-on-write completion

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...

CVE-2026-89496 ocfs2: always run deallocs on copy-on-write completion

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...

EUVD-2026-76402

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...

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...

SUSE CVE-2026-68448

In the Linux kernel, the following vulnerability has been resolved: ovl: check access to copyfilerange source with src mounter creds Commit 5dae222a5ff0c "vfs: allow copyfilerange to copy across devices" allowed filesystems that implement the copyfilerange fop to decide if they want to access...

AZL-95513 CVE-2026-68448 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: ovl: check access to copyfilerange source with src mounter creds Commit 5dae222a5ff0c "vfs: allow copyfilerange to copy across devices" allowed filesystems that implement the copyfilerange fop to decide if they want to access...

CVE-2026-68448

In the Linux kernel, the following vulnerability has been resolved: ovl: check access to copyfilerange source with src mounter creds Commit 5dae222a5ff0c "vfs: allow copyfilerange to copy across devices" allowed filesystems that implement the copyfilerange fop to decide if they want to access...

DEBIAN-CVE-2026-68448

In the Linux kernel, the following vulnerability has been resolved: ovl: check access to copyfilerange source with src mounter creds Commit 5dae222a5ff0c "vfs: allow copyfilerange to copy across devices" allowed filesystems that implement the copyfilerange fop to decide if they want to access...

CVE-2026-68448

In the Linux kernel, the following vulnerability has been resolved: ovl: check access to copyfilerange source with src mounter creds Commit 5dae222a5ff0c "vfs: allow copyfilerange to copy across devices" allowed filesystems that implement the copyfilerange fop to decide if they want to access...

CVE-2026-68448

In the Linux kernel, the following vulnerability has been resolved: ovl: check access to copyfilerange source with src mounter creds Commit 5dae222a5ff0c "vfs: allow copyfilerange to copy across devices" allowed filesystems that implement the copyfilerange fop to decide if they want to access...