Linux Distros Unpatched Vulnerability : CVE-2026-53326

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - debugobjects: Don't call fillpool in early boot hardirq context When booting a debug PREEMPTRT kernel on an ARM64 system, a inconsistent HARDIRQ-ON-W -...

Linux Distros Unpatched Vulnerability : CVE-2026-53327

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - debugobjects: Do not fillpool if piblockedon On RT enabled kernels, fillpool ends up calling rtlocklock, which asserts if current::piblockedon is set, because a...

CVE-2026-53326

A flaw was found in the Linux kernel's debugobjects subsystem. During early boot on a debug PREEMPTRT kernel on an ARM64 system, interrupts can occur before the scheduler is fully enabled. In this specific window, the hard interrupt context handler may attempt to fill a pool, which can lead to a...

CVE-2026-53327

A flaw was found in the Linux kernel's debugobjects functionality. On systems with Real-Time RT enabled kernels, the fillpool function can lead to a system assertion if a task is already blocked on a lock, causing corruption of the priority inheritance chain. This issue can result in a Denial of...

CVE-2026-53327

In the Linux kernel, the following vulnerability has been resolved: debugobjects: Do not fillpool if piblockedon On RT enabled kernels, fillpool ends up calling rtlocklock, which asserts if current::piblockedon is set, because a task can obviously only block on one lock as otherwise the priority...

UBUNTU-CVE-2026-53326

In the Linux kernel, the following vulnerability has been resolved: debugobjects: Don't call fillpool in early boot hardirq context When booting a debug PREEMPTRT kernel on an ARM64 system, a "inconsistent HARDIRQ-ON-W - IN-HARDIRQ-W usage" lockdep warning message was reported to the console...

UBUNTU-CVE-2026-53327

In the Linux kernel, the following vulnerability has been resolved: debugobjects: Do not fillpool if piblockedon On RT enabled kernels, fillpool ends up calling rtlocklock, which asserts if current::piblockedon is set, because a task can obviously only block on one lock as otherwise the priority...

CVE-2026-53327

In the Linux kernel, the following vulnerability has been resolved: debugobjects: Do not fillpool if piblockedon On RT enabled kernels, fillpool ends up calling rtlocklock, which asserts if current::piblockedon is set, because a task can obviously only block on one lock as otherwise the priority...

CVE-2026-53327 debugobjects: Do not fill_pool() if pi_blocked_on

In the Linux kernel, the following vulnerability has been resolved: debugobjects: Do not fillpool if piblockedon On RT enabled kernels, fillpool ends up calling rtlocklock, which asserts if current::piblockedon is set, because a task can obviously only block on one lock as otherwise the priority...

CVE-2026-53327

CVE-2026-53327 affects the Linux kernel, specifically the debugobjects path related to fill_pool() on RT-enabled kernels. The root cause is that fill_pool() may invoke rtlock_lock() while current::pi_blocked_on is set, which can trigger an assertion because a task should block on only one lock to...

CVE-2026-53327 debugobjects: Do not fill_pool() if pi_blocked_on

In the Linux kernel, the following vulnerability has been resolved: debugobjects: Do not fillpool if piblockedon On RT enabled kernels, fillpool ends up calling rtlocklock, which asserts if current::piblockedon is set, because a task can obviously only block on one lock as otherwise the priority...

CVE-2026-53326

In the Linux kernel, the following vulnerability has been resolved: debugobjects: Don't call fillpool in early boot hardirq context When booting a debug PREEMPTRT kernel on an ARM64 system, a "inconsistent HARDIRQ-ON-W - IN-HARDIRQ-W usage" lockdep warning message was reported to the console...

CVE-2026-53326

The CVE-2026-53326 issue affects the Linux kernel (debugobjects) on ARM64 PREEMPT_RT builds during early boot. The root cause was attempting to fill a pool within hardirq context before the scheduler is enabled, potentially causing a deadlock when a hard interrupt hits a lock-protected allocation...

CVE-2026-53326 debugobjects: Don't call fill_pool() in early boot hardirq context

In the Linux kernel, the following vulnerability has been resolved: debugobjects: Don't call fillpool in early boot hardirq context When booting a debug PREEMPTRT kernel on an ARM64 system, a "inconsistent HARDIRQ-ON-W - IN-HARDIRQ-W usage" lockdep warning message was reported to the console...

CVE-2026-53326

In the Linux kernel, the following vulnerability has been resolved: debugobjects: Don't call fillpool in early boot hardirq context When booting a debug PREEMPTRT kernel on an ARM64 system, a "inconsistent HARDIRQ-ON-W - IN-HARDIRQ-W usage" lockdep warning message was reported to the console...

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

In the Linux kernel, the following vulnerabilities have been resolved: debugobjects: Do not wake up kswapd from fillpool. syzbot reports a lockdep warning in fillpool, because the allocation via debugobjects uses GFPATOMIC, which is GFPHIGH | GFPKSWAPDRECLAIM. This attempt to wake up kswapd resul...

SUSE CVE-2023-54268

In the Linux kernel, the following vulnerability has been resolved: debugobjects: Don't wake up kswapd from fillpool syzbot is reporting a lockdep warning in fillpool because the allocation from debugobjects is using GFPATOMIC, which is GFPHIGH | GFPKSWAPDRECLAIM and therefore tries to wake up...

EUVD-2023-60373

In the Linux kernel, the following vulnerability has been resolved: debugobjects: Don't wake up kswapd from fillpool syzbot is reporting a lockdep warning in fillpool because the allocation from debugobjects is using GFPATOMIC, which is GFPHIGH | GFPKSWAPDRECLAIM and therefore tries to wake up...

CVE-2023-54268

In the Linux kernel, the following vulnerability has been resolved: debugobjects: Don't wake up kswapd from fillpool syzbot is reporting a lockdep warning in fillpool because the allocation from debugobjects is using GFPATOMIC, which is GFPHIGH | GFPKSWAPDRECLAIM and therefore tries to wake up...

UBUNTU-CVE-2023-54268

In the Linux kernel, the following vulnerability has been resolved: debugobjects: Don't wake up kswapd from fillpool syzbot is reporting a lockdep warning in fillpool because the allocation from debugobjects is using GFPATOMIC, which is GFPHIGH | GFPKSWAPDRECLAIM and therefore tries to wake up...