CVE-2026-64063 netfs: Fix streaming write being overwritten

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix streaming write being overwritten In order to avoid reading whilst writing, netfslib will allow "streaming writes" in which dirty data is stored directly into folios without reading them first. Such folios are marked...

EUVD-2026-45636

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix streaming write being overwritten In order to avoid reading whilst writing, netfslib will allow "streaming writes" in which dirty data is stored directly into folios without reading them first. Such folios are marked...

CVE-2026-64063

CVE-2026-64063 concerns the Linux kernel netfs subsystem, where streaming writes could partially overwrite dirty folios without correctly updating state. The issue occurred when a partially written streaming page was overwritten by a subsequent write: netfs_perform_write() could copy over the pag...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: nilfs2: A bug in markbufferdirty was fixed, as it sometimes generates a warning due to the forced discard of reused buffers. A syzbot stress test using a corrupted disk image revealed that markbufferdirty called from nilfsmark...

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

In the Linux kernel, the following vulnerability has been resolved: nilfs2: The issue related to the null-ptr-deref in the blockdirtybuffer tracepoint has been fixed. When using the “block:blockdirtybuffer” tracepoint, the markbufferdirty function may cause a NULL pointer dereference, or a genera...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: fixed a race condition in readextentbufferpages There are reports from tree-checker that detect corrupted nodes, without any obvious pattern—possibly due to an overwrite in memory. After some debugging, it turned out that...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-013164)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013164 advisory. In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix WARNING in markbufferdirty due to discarded buffer reuse A syzbot stress test using a...

Linux Distros Unpatched Vulnerability : CVE-2023-54140

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - nilfs2: fix WARNING in markbufferdirty due to discarded buffer reuse A syzbot stress test using a corrupted disk image reported that markbufferdirty called from...

SUSE CVE-2023-54140

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix WARNING in markbufferdirty due to discarded buffer reuse A syzbot stress test using a corrupted disk image reported that markbufferdirty called from nilfsmarkinodedirty or nilfspalloccommitallocentry may output a kern...

EUVD-2023-60305

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix WARNING in markbufferdirty due to discarded buffer reuse A syzbot stress test using a corrupted disk image reported that markbufferdirty called from nilfsmarkinodedirty or nilfspalloccommitallocentry may output a kern...

CVE-2023-54140

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix WARNING in markbufferdirty due to discarded buffer reuse A syzbot stress test using a corrupted disk image reported that markbufferdirty called from nilfsmarkinodedirty or nilfspalloccommitallocentry may output a kern...

UBUNTU-CVE-2023-54140

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix WARNING in markbufferdirty due to discarded buffer reuse A syzbot stress test using a corrupted disk image reported that markbufferdirty called from nilfsmarkinodedirty or nilfspalloccommitallocentry may output a kern...

CVE-2023-54140 nilfs2: fix WARNING in mark_buffer_dirty due to discarded buffer reuse

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix WARNING in markbufferdirty due to discarded buffer reuse A syzbot stress test using a corrupted disk image reported that markbufferdirty called from nilfsmarkinodedirty or nilfspalloccommitallocentry may output a kern...

CVE-2023-54140 nilfs2: fix WARNING in mark_buffer_dirty due to discarded buffer reuse

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix WARNING in markbufferdirty due to discarded buffer reuse A syzbot stress test using a corrupted disk image reported that markbufferdirty called from nilfsmarkinodedirty or nilfspalloccommitallocentry may output a kern...

CVE-2023-54140

CVE-2023-54140 affects Linux kernels, describing a nilfs2 issue where mark_buffer_dirty() can warn and cause a panic when the uptodate flag on internally held buffers is lost and buffers are reused. The vulnerability originates from nilfs2 keeping buffer pointers in local metadata structures and ...

PT-2025-53217

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the nilfs2 file system within the Linux kernel where a kernel warning or panic may occur due to the reuse of discarded buffers in the mark buffer dirty function,...

EUVD-2025-203788

In the Linux kernel, the following vulnerability has been resolved: mm/memfd: fix information leak in hugetlb folios When allocating hugetlb folios for memfd, three initialization steps are missing: 1. Folios are not zeroed, leading to kernel memory disclosure to userspace 2. Folios are not marke...

CVE-2025-68292

In the Linux kernel, the following vulnerability has been resolved: mm/memfd: fix information leak in hugetlb folios When allocating hugetlb folios for memfd, three initialization steps are missing: 1. Folios are not zeroed, leading to kernel memory disclosure to userspace 2. Folios are not marke...

CVE-2025-68292

The CVE-2025-68292 issue concerns the Linux kernel memfd hugetlb folio allocation. A path used by memfd bypassed the normal page fault handler (hugetlb_no_page), omitting three initialisation steps that could leak kernel memory or cause races: (1) folios not zeroed, risking information disclosure...

PT-2025-51696

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel's memfd functionality related to hugetlb folios. Specifically, when allocating huge transparent pages for memfd, initialization steps were missing,...