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

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...

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...

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: net/smc: Check the return value of sockrecvmsg when draining CLC data. When receiving a CLC message, the field fieldlength in smcclcmsghdr indicates the length of the message that should be received from the network. This value...

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 rcu: Fix rcu_read_unlock() deadloop due to softirq

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

CVE-2026-45957 documents a Linux kernel RCU bug: missing recursion protection in rcu_read_unlock() can cause a deadloop when softirq handling runs under ftrace, as shown in the call stack involving raise_softirq_irqoff() and rcu_read_unlock_special(). The issue was fixed by commits that adjust ir...

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...

PT-2026-43824

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue in the Linux kernel can lead to a deadloop within the rcu read unlock function due to softirq. This occurs because recursion-protection code was removed from the rcu read unlock...

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...

CLSA-2026-1778276927 kernel: Fix of 33 CVEs

rxrpc: Also unshare DATA/RESPONSE packets when paged frags are present - xfrm: esp: avoid in-place decrypt on shared skb frags - ext4: avoid OOB when system.data xattr changes underneath the filesystem CVE-2024-47701 - gpiolib: cdev: fix uninitialised kfifo CVE-2024-36898 - wifi: mt76: Fix...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-013368)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013368 advisory. In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Fix deadloop issue on reading tracepipe Soft lockup occurs when reading file...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-993203)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-993203 advisory. In the Linux kernel, the following vulnerability has been resolved: net/smc: check return value of sockrecvmsg when draining clc data When receiving clc msg, the fie...

Linux Distros Unpatched Vulnerability : CVE-2023-53668

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ring-buffer: Fix deadloop issue on reading tracepipe Soft lockup occurs when reading file 'tracepipe': watchdog: BUG: soft lockup - CPU6 stuck for 22s! cat:448...

SUSE CVE-2023-53668

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Fix deadloop issue on reading tracepipe Soft lockup occurs when reading file 'tracepipe': watchdog: BUG: soft lockup - CPU6 stuck for 22s! cat:4488 ... RIP: 0010:ringbufferemptycpu+0xed/0x170 RSP: 0018:ffff88810dd6fc...