RingBufferDetonator

Ring Buffer Detonator This is a proof-of-concept program for triggering to prove a logic bug in rbpercpuempty. Programs hit the bug will be hung up in kernel-space busy deadloop in tracingreadpipe and impossible to suspend or terminate using any UNIX signal including SIGKILL. Despite exhibiting...

CLSA-2026-1792762308 kernel: Fix of 128 CVEs

net: skbuff: propagate shared-frag marker in skbzerocopy - net: bridge: stop fast-leave after deleting a port group CVE-2026-74480 - net: ipv6: clear suppressed fib6 rule result CVE-2026-74581 - net: skbuff: propagate shared-frag marker through frag-transfer helpers CVE-2026-43503 - ALSA: virtio:...

SUSE CVE-2026-89833

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid potential deadloop in f2fsfsyncnodepages There is potential deadloop in race condition: Thread A Thread B - fsync - f2fsdosyncfile - f2fsfsyncnodepages - lastfsyncdnode - foliogetlastfolio - f2fssetattr -...

DEBIAN-CVE-2026-89833

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid potential deadloop in f2fsfsyncnodepages There is potential deadloop in race condition: Thread A Thread B - fsync - f2fsdosyncfile - f2fsfsyncnodepages - lastfsyncdnode - foliogetlastfolio - f2fssetattr -...

AZL-101385 CVE-2026-89833 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid potential deadloop in f2fsfsyncnodepages There is potential deadloop in race condition: Thread A Thread B - fsync - f2fsdosyncfile - f2fsfsyncnodepages - lastfsyncdnode - foliogetlastfolio - f2fssetattr -...

CVE-2026-89833

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid potential deadloop in f2fsfsyncnodepages There is potential deadloop in race condition: Thread A Thread B - fsync - f2fsdosyncfile - f2fsfsyncnodepages - lastfsyncdnode - foliogetlastfolio - f2fssetattr -...

CVE-2026-89833

CVE-2026-89833 affects the Linux kernel's f2fs filesystem driver. The vulnerability is a race condition in f2fs_fsync_node_pages(): when one thread performs an fsync while another concurrently executes a truncate via f2fs_setattr, the truncate can set folio->mapping = NULL. This causes is_node...

CVE-2026-89833 f2fs: fix to avoid potential deadloop in f2fs_fsync_node_pages()

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid potential deadloop in f2fsfsyncnodepages There is potential deadloop in race condition: Thread A Thread B - fsync - f2fsdosyncfile - f2fsfsyncnodepages - lastfsyncdnode - foliogetlastfolio - f2fssetattr -...

EUVD-2026-80433

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid potential deadloop in f2fsfsyncnodepages There is potential deadloop in race condition: Thread A Thread B - fsync - f2fsdosyncfile - f2fsfsyncnodepages - lastfsyncdnode - foliogetlastfolio - f2fssetattr -...

CVE-2026-89833 f2fs: fix to avoid potential deadloop in f2fs_fsync_node_pages()

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid potential deadloop in f2fsfsyncnodepages There is potential deadloop in race condition: Thread A Thread B - fsync - f2fsdosyncfile - f2fsfsyncnodepages - lastfsyncdnode - foliogetlastfolio - f2fssetattr -...

CVE-2026-89833: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid potential deadloop in f2fsfsyncnodepages There is potential deadloop in race condition: Thread A Thread B - fsync - f2fsdosyncfile - f2fsfsyncnodepages - lastfsyncdnode - foliogetlastfolio - f2fssetattr -...

PT-2026-93474

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists in the f2fs file system that can lead to a potential deadloop within the f2fs fsync node pages function. This occurs when one thread performs an fsync operation v...

Linux Distros Unpatched Vulnerability : CVE-2026-89833

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 potential deadloop in f2fsfsyncnodepages There is potential deadloop in race condition: Thread A Thread B - fsync - f2fsdosyncfile -...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: rcu: Fixed a deadloop in rcureadunlock due to a softirq. The commit 5f5fa7ea89dc “rcu: Do not use negative nesting depth in rcureadunlock” removes the recursion-protection code from rcureadunlock. As a result, the deadloop could ...

SUSE CVE-2026-45953

In the Linux kernel, the following vulnerability has been resolved: md/raid5: fix IO hang with degraded array with llbitmap When llbitmap bit state is still unwritten, any new write should force rcw, as bitmapops-blockssynced is checked in handlestripedirtying. However, later the same check is...

SUSE CVE-2026-45957

In the Linux kernel, the following vulnerability has been resolved: rcu: Fix rcureadunlock deadloop due to softirq Commit 5f5fa7ea89dc "rcu: Don't use negative nesting depth in rcureadunlock" removes the recursion-protection code from rcureadunlock. Therefore, we could invoke the deadloop in...

EUVD-2026-32241

In the Linux kernel, the following vulnerability has been resolved: rcu: Fix rcureadunlock deadloop due to softirq Commit 5f5fa7ea89dc "rcu: Don't use negative nesting depth in rcureadunlock" removes the recursion-protection code from rcureadunlock. Therefore, we could invoke the deadloop in...

CVE-2026-45957

In the Linux kernel, the following vulnerability has been resolved: rcu: Fix rcureadunlock deadloop due to softirq Commit 5f5fa7ea89dc "rcu: Don't use negative nesting depth in rcureadunlock" removes the recursion-protection code from rcureadunlock. Therefore, we could invoke the deadloop in...

UBUNTU-CVE-2026-45957

In the Linux kernel, the following vulnerability has been resolved: rcu: Fix rcureadunlock deadloop due to softirq Commit 5f5fa7ea89dc "rcu: Don't use negative nesting depth in rcureadunlock" removes the recursion-protection code from rcureadunlock. Therefore, we could invoke the deadloop in...

CVE-2026-45957

In the Linux kernel, the following vulnerability has been resolved: rcu: Fix rcureadunlock deadloop due to softirq Commit 5f5fa7ea89dc "rcu: Don't use negative nesting depth in rcureadunlock" removes the recursion-protection code from rcureadunlock. Therefore, we could invoke the deadloop in...