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: mm/swapfile: HugeTLB pages are skipped for unusevma. I encountered a “bad pud” error and lost a 1GB HugeTLB when calling swapoff. The problem can be reproduced using the following steps: 1. Allocate an anonymous 1GB HugeTLB and...

f2fs: fix to avoid mapping wrong physical block for swapfile

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The vulnerability of the unuse_mm() function in the mm/swapfile.c module of the Linux kernel’s memory-management subsystem allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the unusemm function in the mm/swapfile.c module of the Linux kernel’s memory-management subsystem is related to the assignment of the NULL pointer. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility of the...

Linux Distros Unpatched Vulnerability : CVE-2026-23233

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - f2fs: fix to avoid mapping wrong physical block for swapfile Xiaolong Guo reported a f2fs bug in bugzilla 1 1 https://bugzilla.kernel.org/showbug.cgi?id=220951...

EUVD-2026-9405

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid mapping wrong physical block for swapfile Xiaolong Guo reported a f2fs bug in bugzilla 1 1 https://bugzilla.kernel.org/showbug.cgi?id=220951 Quoted: "When using stress-ng's swap stress test on F2FS filesystem...

CVE-2026-23233

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid mapping wrong physical block for swapfile Xiaolong Guo reported a f2fs bug in bugzilla 1 1 https://bugzilla.kernel.org/showbug.cgi?id=220951 Quoted: "When using stress-ng's swap stress test on F2FS filesystem...

DEBIAN-CVE-2026-23233

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid mapping wrong physical block for swapfile Xiaolong Guo reported a f2fs bug in bugzilla 1 1 https://bugzilla.kernel.org/showbug.cgi?id=220951 Quoted: "When using stress-ng's swap stress test on F2FS filesystem...

UBUNTU-CVE-2026-23233

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid mapping wrong physical block for swapfile Xiaolong Guo reported a f2fs bug in bugzilla 1 1 https://bugzilla.kernel.org/showbug.cgi?id=220951 Quoted: "When using stress-ng's swap stress test on F2FS filesystem...

CVE-2026-23233

CVE-2026-23233 covers a Linux kernel f2fs bug where swapfile mapping can go wrong when the first extent is unaligned and the swapfile is small (

CVE-2026-23233 f2fs: fix to avoid mapping wrong physical block for swapfile

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid mapping wrong physical block for swapfile Xiaolong Guo reported a f2fs bug in bugzilla 1 1 https://bugzilla.kernel.org/showbug.cgi?id=220951 Quoted: "When using stress-ng's swap stress test on F2FS filesystem...

CVE-2026-23233

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid mapping wrong physical block for swapfile Xiaolong Guo reported a f2fs bug in bugzilla 1 1 https://bugzilla.kernel.org/showbug.cgi?id=220951 Quoted: "When using stress-ng's swap stress test on F2FS filesystem...

CVE-2026-23233

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid mapping wrong physical block for swapfile Xiaolong Guo reported a f2fs bug in bugzilla 1 1 https://bugzilla.kernel.org/showbug.cgi?id=220951 Quoted: "When using stress-ng's swap stress test on F2FS filesystem...

CVE-2026-23233: Out-of-bounds Write

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid mapping wrong physical block for swapfile Xiaolong Guo reported a f2fs bug in bugzilla 1 1 https://bugzilla.kernel.org/showbug.cgi?id=220951 Quoted: "When using stress-ng's swap stress test on F2FS filesystem...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-005677)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005677 advisory. In the Linux kernel, the following vulnerability has been resolved: mm/swapfile: skip HugeTLB pages for unusevma I got a bad pud error and lost a 1GB HugeTLB when...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-004845)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004845 advisory. In the Linux kernel, the following vulnerability has been resolved: mm/swapfile: skip HugeTLB pages for unusevma I got a bad pud error and lost a 1GB HugeTLB when...

PT-2026-22919

Name of the Vulnerable Software and Affected Versions Linux kernel versions 6.6 and later Description A flaw exists in the f2fs filesystem within the Linux kernel related to swapfile handling. Specifically, the check swap activate function incorrectly maps physical blocks when a swapfile is small...

The vulnerability of the setup_clusters() function in the mm/swapfile.c component of the Linux kernel allows a hacker to cause a service failure.

The vulnerability of the setupclusters function in the mm/swapfile.c component of the Linux kernel involves copying buffers without checking the input data. Exploiting this vulnerability allows an attacker to cause a service failure...

Linux Distros Unpatched Vulnerability : CVE-2023-52932

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mm/swapfile: add condresched in getswappages The softlockup still occurs in getswappages under memory pressure. 64 CPU cores, 64GB memory, and 28 zram devices,...

The vulnerability of the mm/swapfile component in the Linux operating system’s kernel allows a hacker to cause a service failure.

The vulnerability of the mm/swapfile component in the Linux operating system’s kernel is related to incorrect resource locking. Exploiting this vulnerability can allow an attacker to cause a service failure...

kernel: mm/swapfile: skip HugeTLB pages for unuse_vma

A flaw was found in the Linux kernel's memory management, specifically in how it handles HugeTLB Huge Transparent Large Block pages during the swapoff operation. A local user can trigger this by allocating anonymous HugeTLB memory, swapping out other anonymous memory, and then executing the swapo...