DEBIAN-CVE-2026-64211

In the Linux kernel, the following vulnerability has been resolved: srcu: Don't queue workqueue handlers to never-online CPUs While an srcustruct structure is in the midst of switching from CPU-0 to all-CPUs state, it can attempt to invoke callbacks for CPUs that have never been online. Worse yet...

EUVD-2026-48619

In the Linux kernel, the following vulnerability has been resolved: srcu: Don't queue workqueue handlers to never-online CPUs While an srcustruct structure is in the midst of switching from CPU-0 to all-CPUs state, it can attempt to invoke callbacks for CPUs that have never been online. Worse yet...

CVE-2026-64211

The CVE-2026-64211 entry concerns the Linux kernel, specifically Tree SRCU behavior during CPU online/offline transitions. The concrete issue is that, while an srcu_struct is switching to an all-CPUs state, callbacks could be invoked for CPUs that have never been online or may never come online (...

CVE-2026-64211 srcu: Don't queue workqueue handlers to never-online CPUs

In the Linux kernel, the following vulnerability has been resolved: srcu: Don't queue workqueue handlers to never-online CPUs While an srcustruct structure is in the midst of switching from CPU-0 to all-CPUs state, it can attempt to invoke callbacks for CPUs that have never been online. Worse yet...

PT-2026-64326

In the Linux kernel, the following vulnerability has been resolved: srcu: Don't queue workqueue handlers to never-online CPUs While an srcu struct structure is in the midst of switching from CPU-0 to all-CPUs state, it can attempt to invoke callbacks for CPUs that have never been online. Worse ye...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: RDMA/irdma: The Cap MSIX used to online CPUs + 1 The irdma driver can use a maximum number of msix vectors equal to numonlinecpus + 1. If this number is exceeded, the kernel will issue a warning. The kernel issues a warning wh...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ixgbe: Fixed NULL pointer dereferencing in ixgbexdpsetup The ixgbe driver currently causes a NULL pointer dereferencing with some machines online cpus ringfeatureRINGFFDIR.limit = count; This results in numqueues being set to 63...

EUVD-2026-27669

In the Linux kernel, the following vulnerability has been resolved: mailbox: mchp-ipc-sbi: fix out-of-bounds access in mchpipcgetclusteraggrirq The clustercfg array is dynamically allocated to hold per-CPU configuration structures, with its size based on the number of online CPUs. Previously, thi...

CVE-2026-43274 mailbox: mchp-ipc-sbi: fix out-of-bounds access in mchp_ipc_get_cluster_aggr_irq()

In the Linux kernel, the following vulnerability has been resolved: mailbox: mchp-ipc-sbi: fix out-of-bounds access in mchpipcgetclusteraggrirq The clustercfg array is dynamically allocated to hold per-CPU configuration structures, with its size based on the number of online CPUs. Previously, thi...

EUVD-2026-15292

In the Linux kernel, the following vulnerability has been resolved: cpufreq: intelpstate: Fix crash during turbo disable When the system is booted with kernel command line argument "nosmt" or "maxcpus" to limit the number of CPUs, disabling turbo via: echo 1...

CVE-2026-23332

In the Linux kernel, the following vulnerability has been resolved: cpufreq: intelpstate: Fix crash during turbo disable When the system is booted with kernel command line argument "nosmt" or "maxcpus" to limit the number of CPUs, disabling turbo via: echo 1...

SUSE CVE-2023-53811

In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Cap MSIX used to online CPUs + 1 The irdma driver can use a maximum number of msix vectors equal to numonlinecpus + 1 and the kernel warning stack below is shown if that number is exceeded. The kernel throws a warning...

CVE-2023-53811

In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Cap MSIX used to online CPUs + 1 The irdma driver can use a maximum number of msix vectors equal to numonlinecpus + 1 and the kernel warning stack below is shown if that number is exceeded. The kernel throws a warning...

CVE-2023-53811

The CVE-2023-53811 issue affects the Linux kernel’s irdma RDMA driver: the driver could allocate MSIX vectors up to num_online_cpus() + 1, and when this limit is exceeded the kernel would warn while updating CPU affinity with a mask larger than available CPUs. The fix caps MSIX vectors to num_onl...

CVE-2023-53811

In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Cap MSIX used to online CPUs + 1 The irdma driver can use a maximum number of msix vectors equal to numonlinecpus + 1 and the kernel warning stack below is shown if that number is exceeded. The kernel throws a warning...

SUSE CVE-2022-50177

In the Linux kernel, the following vulnerability has been resolved: rcutorture: Fix ksoftirqd boosting timing and iteration The RCU priority boosting can fail in two situations: 1 If nrcpus= maxcpus=, which means if the total number of CPUs is higher than those brought online at boot, then...

SUSE CVE-2022-49889

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Check for NULL cpubuffer in ringbufferwakewaiters On some machines the number of listed CPUs may be bigger than the actual CPUs that exist. The tracing subsystem allocates a percpu directory with access to the per CP...

UBUNTU-CVE-2022-49889

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Check for NULL cpubuffer in ringbufferwakewaiters On some machines the number of listed CPUs may be bigger than the actual CPUs that exist. The tracing subsystem allocates a percpu directory with access to the per CP...

SUSE CVE-2024-46681

In the Linux kernel, the following vulnerability has been resolved: pktgen: use cpusreadlock in pgnetinit I have seen the WARNONsmpprocessorid != cpu firing in pktgenthreadworker during tests. We must use cpusreadlock/cpusreadunlock around the foreachonlinecpucpu loop. While we are at it use...

UBUNTU-CVE-2024-46681

In the Linux kernel, the following vulnerability has been resolved: pktgen: use cpusreadlock in pgnetinit I have seen the WARNONsmpprocessorid != cpu firing in pktgenthreadworker during tests. We must use cpusreadlock/cpusreadunlock around the foreachonlinecpucpu loop. While we are at it use...