CVE-2026-89795

In the Linux kernel, the following vulnerability has been resolved: PCI: Allow per function PCI slots to fix slot reset on s390 On s390 systems, which use a machine level hypervisor, PCI devices are always accessed through a form of PCI pass-through which fundamentally operates on a per PCI...

CVE-2026-89795

CVE-2026-89795 affects the Linux kernel PCI hotplug driver on s390 systems that use a machine-level hypervisor. The root cause is that pci_create_slot() assigns a single shared pci_slot object to multifunction PCI devices; when a function is reset via the hotplug reset_slot() interface, the wrong...

CVE-2026-89795 PCI: Allow per function PCI slots to fix slot reset on s390

In the Linux kernel, the following vulnerability has been resolved: PCI: Allow per function PCI slots to fix slot reset on s390 On s390 systems, which use a machine level hypervisor, PCI devices are always accessed through a form of PCI pass-through which fundamentally operates on a per PCI...

PT-2026-93436

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description On s390 systems using a machine level hypervisor, PCI devices are accessed via PCI pass-through on a per PCI function granularity. A flaw exists in the s390 PCI hotplug driver where the...

CVE-2026-89795: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: PCI: Allow per function PCI slots to fix slot reset on s390 On s390 systems, which use a machine level hypervisor, PCI devices are always accessed through a form of PCI pass-through which fundamentally operates on a per PCI...

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

In the Linux kernel, the following vulnerability has been resolved: s390/cpumsf: Handling of CPU hotplug removal during sampling The handling of CPU hotplug removal triggers the following function calls: CPUHPAPPERFS390SFONLINE -- s390pmusfofflinecpu ... CPUHPAPPERFONLINE -- perfeventexitcpu The...

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

In the Linux kernel, the following vulnerabilities have been resolved: IB/hfi1: Fixed a possible panic during hotplug remove. During hotplug remove, it is possible that the update counters’ operations might still be pending, and they may execute after memory has been freed. Cancel the update...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: coresight: trbe: remove the cpuhp instance node before removing the cpuhp state The functions cpuhpstateaddinstance and cpuhpstateremoveinstance should be used in pairs. Otherwise, a warning will be issued when calling...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Tracing: Fixed a potential deadlock in CPU hotplug with osnoise. The following sequence may lead to a deadlock in CPU hotplug: task1 task2 task3 ----- ----- ----- mutexlock&interfacelock CPU GOING OFFLINE cpuswritelock;...

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

In the Linux kernel, the following vulnerabilities have been resolved: Firmware: armsdei: Fixed a bug where sleep operations occurred from an invalid context. Running a preempt-rt v6.2-rc3-rt1 based kernel on an Ampere Altra Triggers: - Bug: Sleeping function called from an invalid context at...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: perf/armdmc620: Fixed the hotplug callback leak in dmc620pmuinit. The dmc620pmuinit function does not remove the callback added by cpuhpsetupstatemulti when platformdriverregister fails. The callback must be removed by...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: Wifi: brcmfmac – Fixed a use-after-free bug in brcmfcfg80211detach. This is the candidate patch for CVE-2023-47233: https://nvd.nist.gov/vuln/detail/CVE-2023-47233 In the brcm80211 driver, the process starts with the following...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drivers/perf: hisi: Use cpuhpstateremoveinstancenocalls instead of cpuhpstateremoveinstance so that the notifications do not execute after the PMU device has been unregistered. When tearing down a ‘hisihns3’ PMU, we accidentally...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: x86/fpu: Keep xfdstate synchronized with MSRIA32XFD The commits 672365477ae8 "x86/fpu: Update XFD state where required" and 8bf26758ca96 "x86/fpu: Add XFD state to fpstate" introduced a per-CPU variable xfdstate to keep the...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Do not issue ATS Invalidation requests when the device is disconnected. For those endpoint devices connected to the system via hot-plug-capable ports, users can request a hot reset of the device by setting the link...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: perf/smmuv3: Fixed the hotplug callback leak in armsmmupmuinit. armsmmupmuinit does not remove the callback added by cpuhpsetupstatemulti when platformdriverregister fails. The callback must be removed by cpuhpremovemultistate in...

SUSE CVE-2026-89460

In the Linux kernel, the following vulnerability has been resolved: s390/cpumcf: Handle CPU hotplug via prepare/dead callbacks The command 'perf stat -e cycles -- ' crashes the kernel when CPUs are hotplug added during that run. Root cause is the allocation of struct cpucfevents at first event...

Linux Distros Unpatched Vulnerability : CVE-2026-89460

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - s390/cpumcf: Handle CPU hotplug via prepare/dead callbacks The command 'perf stat -e cycles -- ' crashes the kernel when CPUs are hotplug added during that run...

CVE-2026-89460

A flaw was found in the Linux kernel. A local user can trigger a kernel panic by running the perf stat command while CPUs are being hotplugged. This occurs because the system fails to properly allocate CPU event structures for newly online CPUs, leading to a null pointer dereference. Successful...

CVE-2026-89769

A flaw was found in the Linux kernel's NXP PIT Programmable Interrupt Timer clocksource driver. When the CPU hotplug setup fails after an interrupt request IRQ has been successfully registered, the error handling does not properly free the IRQ. This oversight results in a leaked IRQ line and a...