Linux Distros Unpatched Vulnerability : CVE-2026-93800

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - btrfs: fix use-after-free on reloc root after error in insertdirtysubvol If during relocation we fail in insertdirtysubvol because btrfsupdaterelocroot returned...

CVE-2026-90236

In the Linux kernel, the following vulnerability has been resolved: NFSD: Release the export reference when reaping open stateids nfs4putstid releases the svcexport tracked in nfs4stid.scexport, but freeolstateidreaplist frees open and lock stateids by calling -scfree directly, bypassing that pat...

CVE-2026-90236 NFSD: Release the export reference when reaping open stateids

In the Linux kernel, the following vulnerability has been resolved: NFSD: Release the export reference when reaping open stateids nfs4putstid releases the svcexport tracked in nfs4stid.scexport, but freeolstateidreaplist frees open and lock stateids by calling -scfree directly, bypassing that pat...

CVE-2026-90236

CVE-2026-90236 affects the Linux kernel NFSD (NFS server daemon). The bug is a reference-counting flaw in NFSv4 state ID teardown: free_ol_stateid_reaplist() frees open and lock stateids via ->sc_free() without releasing the svc_export reference, unlike nfs4_put_stid(). This pins the export an...

CVE-2026-90236 NFSD: Release the export reference when reaping open stateids

In the Linux kernel, the following vulnerability has been resolved: NFSD: Release the export reference when reaping open stateids nfs4putstid releases the svcexport tracked in nfs4stid.scexport, but freeolstateidreaplist frees open and lock stateids by calling -scfree directly, bypassing that pat...

EUVD-2026-81829

In the Linux kernel, the following vulnerability has been resolved: NFSD: Release the export reference when reaping open stateids nfs4putstid releases the svcexport tracked in nfs4stid.scexport, but freeolstateidreaplist frees open and lock stateids by calling -scfree directly, bypassing that pat...

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

In the Linux kernel, the following vulnerabilities have been resolved: nfsd: fixed the issue where a leak occurred during nfs4openowner when nfsd4open was performed concurrently. The action force umount-f operation attempts to terminate all rpctask. However, the umount operation may fail if some...

Astra Linux – Vulnerability in u-boot

A issue was discovered in Das U-Boot during the period from 2019.07. There is a stack-based buffer overflow in the nfshandler reply helper function: nfsumountallreply...

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

In the Linux kernel, the following vulnerability has been resolved: vfs: Do not leak disconnected dentrys during umount When the user calls openbyhandleat on an inode that is not cached, we will create a disconnected dentry for it. If such a dentry is a directory, exportfsdecodefhraw will attempt...

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

In the Linux kernel, the following vulnerability has been resolved: nilfs2: A use-after-free bug in nilfsroot has been fixed in nilfsevictinode. During the unmount process of nilfs2, nothing holds the nilfsroot structure after nilfs2 detaches its writer in nilfsdetachlogwriter. However, since...

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

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: Wait for fixup workers before stopping the cleaner kthread during umount. During unmount, at closectree, we follow these steps in this order: 1 Park the cleaner kthread – this does not destroy the kthread; it simply hal...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: gfs2: Fixed a NULL pointer dereferencing in gfs2logFlush. In gfs2jindexfree, sdp-sdjdesc was set to NULL under the log flush lock to prevent dereferencing of sdp-sdjdesc during gfs2logFlush. In gfs2logFlush, it was checked whethe...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: smb: Client: Fixed a use-after-free in cifsoplockbreak. A race condition can occur in cifsoplockbreak, leading to a use-after-free of the cinode structure when unmounting: c cifsoplockbreak cifsFileInfoputcfile cifsFileInfoputfin...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ceph: Messages from MDS are dropped when unmounting When unmounting, all dirty buffers will be flushed. After the last osd request is completed, the last reference to icount will be released. Then, the dirty buffers will be flush...

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

In the Linux kernel, the following vulnerabilities have been resolved: nilfs2: Fix for a use-after-free of the timer for the log writer thread This patch series, titled “nilfs2: Fix for log writer-related issues”, addresses three issues related to the nilfs2 log writer. These include a...

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: legitimizemnt. The check for MNTSYNCUMOUNT should be performed under mountlock. … Otherwise, we risk stealing the final mntput from sync umount. This occurs after umount2 verifies that the victim is not busy, but before it sets...

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: btrfs: Stopping the “cleaner” kthread before unmounting the volume causes issues. During the unmount process, at closectree, we first stop the “cleaner” kthread using kthreadstop, which frees the associated taskstruct. However,...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: fixed a hang that occurred during unmount when stopping a space reclaim worker Often, when running the generic/562 test from fstests, a hang may occur during unmount, resulting in a log message like this: Sep 07 11:52:0...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: xfs: Stop reclaiming resources before pushing AIL during unmount. The unmount sequence in xfsunmountFlushInodes pushes AIL while background reclaim and inodegc are still running. This behavior is incorrect—it happens regardless o...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ext4: Fixed a use-after-free in updatesuperwork when racing with unmount. The commit b98535d09179 “ext4: fix bugon in startthishandle during umount filesystem” moved ext4unregistersysfs before flushing ssbupdwork to prevent new...