Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: fuse: fixed the runtime warning in truncatefoliobatchexceptionals The WARNONONCE flag was introduced in truncatefoliobatchexceptionals to determine whether the filesystem has removed all DAX entries. This fix has been applied ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: nfs/blocklayout: Do not attempt unregistration for invalid block devices Since the commit d869da91cccb “nfs/blocklayout: Fix premature PR key unregistration”, unmounting a pNFS SCSI-layout-enabled NFS may cause a NULL blockdevice...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: Fixed the inode leak in btrfsiget. BUG There is a bug report that a syzbot reproducer can cause the following issue: A busy inode occurs at the time of unmount: - BTRFS info device loop1: Last unmount of the filesystem...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-021598)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021598 advisory. In the Linux kernel, the following vulnerability has been resolved: gfs2: Fix potential glock use-after-free on unmount When a DLM lockspace is released and there ar...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: smb: Client: Fixed the issue where a busy dentry warning would occur after unmount after DIO. The commit c68337442f03 “cifs: Fixed the issue where deferred dentry references were not released after unmount” addressed the issue...

CVE-2026-43065

A flaw was found in the ext4 filesystem within the Linux kernel. When an ext4 filesystem is initially mounted with the 'discard' option and then remounted with 'nodiscard', pending discard operations may not be properly cancelled or flushed. This can lead to unhandled resource operations if the...

SUSE CVE-2026-31702

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix use-after-free of sbi in f2fscompresswriteendio In f2fscompresswriteendio, decpagecountsbi, type can bring the F2FSWBCPDATA counter to zero, unblocking f2fswaitonallpages in f2fsputsuper on a concurrent unmount CPU. The...

Linux Distros Unpatched Vulnerability : CVE-2026-31702

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - f2fs: fix use-after-free of sbi in f2fscompresswriteendio In f2fscompresswriteendio, decpagecountsbi, type can bring the F2FSWBCPDATA counter to zero, unblockin...

CVE-2026-31702

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix use-after-free of sbi in f2fscompresswriteendio In f2fscompresswriteendio, decpagecountsbi, type can bring the F2FSWBCPDATA counter to zero, unblocking f2fswaitonallpages in f2fsputsuper on a concurrent unmount CPU. The...

CVE-2026-31702 f2fs: fix use-after-free of sbi in f2fs_compress_write_end_io()

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix use-after-free of sbi in f2fscompresswriteendio In f2fscompresswriteendio, decpagecountsbi, type can bring the F2FSWBCPDATA counter to zero, unblocking f2fswaitonallpages in f2fsputsuper on a concurrent unmount CPU. The...

CVE-2026-31702

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix use-after-free of sbi in f2fscompresswriteendio In f2fscompresswriteendio, decpagecountsbi, type can bring the F2FSWBCPDATA counter to zero, unblocking f2fswaitonallpages in f2fsputsuper on a concurrent unmount CPU. The...

EUVD-2026-26511

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix use-after-free of sbi in f2fscompresswriteendio In f2fscompresswriteendio, decpagecountsbi, type can bring the F2FSWBCPDATA counter to zero, unblocking f2fswaitonallpages in f2fsputsuper on a concurrent unmount CPU. The...

CVE-2026-31702

Summary of CVE-2026-31702 details from connected docs: The vulnerability is in the Linux kernel’s f2fs compression path. In f2fs_compress_write_end_io(), dec_page_count(sbi, type) could decrement the F2FS_WB_CP_DATA counter to zero while a concurrent unmount is unrolling, leading to a use-after-f...

CVE-2026-31702 f2fs: fix use-after-free of sbi in f2fs_compress_write_end_io()

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix use-after-free of sbi in f2fscompresswriteendio In f2fscompresswriteendio, decpagecountsbi, type can bring the F2FSWBCPDATA counter to zero, unblocking f2fswaitonallpages in f2fsputsuper on a concurrent unmount CPU. The...

PT-2026-36332

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the f2fs compress write end io function. The dec page countsbi, type function can reduce the F2FS WB CP DATA counter to zero, which may unblock f2fs wait...

ext4: fix use-after-free in update_super_work when racing with umount

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xfs: stop reclaim before pushing AIL during unmount

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SUSE CVE-2026-31446

In the Linux kernel, the following vulnerability has been resolved: ext4: fix use-after-free in updatesuperwork when racing with umount Commit b98535d09179 "ext4: fix bugon in startthishandle during umount filesystem" moved ext4unregistersysfs before flushing ssbupdwork to prevent new error work...

SUSE CVE-2026-31455

In the Linux kernel, the following vulnerability has been resolved: xfs: stop reclaim before pushing AIL during unmount The unmount sequence in xfsunmountflushinodes pushed the AIL while background reclaim and inodegc are still running. This is broken independently of any use-after-free issues -...

CVE-2026-31455

A flaw was found in the Linux kernel's XFS file system. During the unmount process, the system attempts to flush data while background cleanup and inode garbage collection inodegc operations are still active. This improper synchronization can lead to data integrity issues or system instability, a...