Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: LoongArch: Disable IRQs before initfn for non-boot CPUs. Disable IRQs before initfn for non-boot CPUs during hotplug operations, in order to silence such warnings and also to avoid potential errors due to unexpected interrupts...

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

In the Linux kernel, the following vulnerabilities have been resolved: powerpc/eeh: Made the EEH driver’s device hotplug operations safe. Multiple race conditions existed between the PCIe hotplug driver and the EEH driver, leading to various kernel errors of the same general nature: A second type...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: hrtimers: Timers queued after CPUHPAPHRTIMERSDYING are forced to be migrated away from the dying CPU to any online target. This is done to avoid delaying bandwidth timer handling tasks related to CPU hotplug progress. However,...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: powerpc/memhotplug: Added an addpages override for PPC. With the commit ffa0b64e3be5 “powerpc: Fix virtaddrvalid for 64-bit Book3E & 32-bit”, the kernel now validates the addr against the highmemory value. This results in the...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: “riscv”: prevents corruption of pt regs for secondary idle threads. The top of the kernel thread stack should be reserved for pt regs. However, this is not the case for the idle threads of the secondary boot harts. Their stacks...

AlmaLinux 9.6 [TuxCare] Security Update: cloud-init (ALMALINUX9.6:CLSA-2026:1779098063)

The AlmaLinux 9.6 host has a package installed that is affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1779098063 advisory. - cloud-init through 25.1.2 includes the systemd socket unit cloud-init-hotplugd.socket with default SocketMode that grants 0666 permissions,...

Rocky Linux 9.6 [TuxCare] Security Update: cloud-init (ALMALINUX9.6:CLSA-2026:1779098063)

The Rocky Linux 9.6 host has a package installed that is affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1779098063 advisory. - cloud-init through 25.1.2 includes the systemd socket unit cloud-init-hotplugd.socket with default SocketMode that grants 0666 permission...

SUSE CVE-2026-97526

In the Linux kernel, the following vulnerability has been resolved: s390/pai: Support CPU hotplug for PMU PAI The command 'perf stat -e paicrypto/CRYPTOALL/ -- ' crashes the kernel when CPUs are hotplug added during that run. Root cause is the missing allocation of per-CPU data structures for tha...

AlmaLinux 9.2 [TuxCare] Security Update: cloud-init Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2025:1760018787)

The AlmaLinux 9.2 host has a package installed that is affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2025:1760018787 advisory. - cloud-init through 25.1.2 includes the systemd socket unit cloud-init-hotplugd.socket with default SocketMode that grants 0666...

CVE-2026-97526

A flaw was found in the Linux kernel's s390 Processor Activity Instrumentation PAI performance monitoring unit. This vulnerability allows a local user to cause a Denial of Service DoS by crashing the operating system. When a CPU is dynamically added hotplugged during an active performance...

Security Bulletin: IBM QRadar SIEM contains components with known vulnerabilities

Summary Multiple components with known vulnerabilities were addressed in IBM QRadar SIEM Vulnerability Details CVEID:CVE-2024-57849 DESCRIPTION: In the Linux kernel, the following vulnerability has been resolved: s390/cpumsf: Handle CPU hotplug remove during sampling CPU hotplug remove handling...

DEBIAN-CVE-2026-97526

In the Linux kernel, the following vulnerability has been resolved: s390/pai: Support CPU hotplug for PMU PAI The command 'perf stat -e paicrypto/CRYPTOALL/ -- ' crashes the kernel when CPUs are hotplug added during that run. Root cause is the missing allocation of per-CPU data structures for tha...

CVE-2026-97526

In the Linux kernel, the following vulnerability has been resolved: s390/pai: Support CPU hotplug for PMU PAI The command 'perf stat -e paicrypto/CRYPTOALL/ -- ' crashes the kernel when CPUs are hotplug added during that run. Root cause is the missing allocation of per-CPU data structures for tha...

UBUNTU-CVE-2026-97526

In the Linux kernel, the following vulnerability has been resolved: s390/pai: Support CPU hotplug for PMU PAI The command 'perf stat -e paicrypto/CRYPTOALL/ -- ' crashes the kernel when CPUs are hotplug added during that run. Root cause is the missing allocation of per-CPU data structures for tha...

EUVD-2026-86834

In the Linux kernel, the following vulnerability has been resolved: s390/pai: Support CPU hotplug for PMU PAI The command 'perf stat -e paicrypto/CRYPTOALL/ -- ' crashes the kernel when CPUs are hotplug added during that run. Root cause is the missing allocation of per-CPU data structures for tha...

CVE-2026-97526

A vulnerability in the Linux kernel (s390/pai) allows for a kernel panic when CPUs are hotplugged during a perf stat command execution, specifically using pai_crypto/CRYPTO_ALL/. The root cause is the missing allocation of per-CPU data structures for newly added CPUs; the existing dynamic allocat...

CVE-2026-97526

In the Linux kernel, the following vulnerability has been resolved: s390/pai: Support CPU hotplug for PMU PAI The command 'perf stat -e paicrypto/CRYPTOALL/ -- ' crashes the kernel when CPUs are hotplug added during that run. Root cause is the missing allocation of per-CPU data structures for tha...

CVE-2026-97526 s390/pai: Support CPU hotplug for PMU PAI

In the Linux kernel, the following vulnerability has been resolved: s390/pai: Support CPU hotplug for PMU PAI The command 'perf stat -e paicrypto/CRYPTOALL/ -- ' crashes the kernel when CPUs are hotplug added during that run. Root cause is the missing allocation of per-CPU data structures for tha...

CVE-2026-97526 s390/pai: Support CPU hotplug for PMU PAI

In the Linux kernel, the following vulnerability has been resolved: s390/pai: Support CPU hotplug for PMU PAI The command 'perf stat -e paicrypto/CRYPTOALL/ -- ' crashes the kernel when CPUs are hotplug added during that run. Root cause is the missing allocation of per-CPU data structures for tha...

PT-2026-98466

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A kernel panic occurs when CPUs are hotplug added during the execution of the perf stat command using the pai crypto/CRYPTO ALL/ event. The issue stems from a missing allocation of per-C...