Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: nvdimm: The memory pointed to by ndpmu-pmu.attrgroups is allocated in the function registernvdimmpmu, and it is lost after the kfreendpmu call in the function unregisternvdimmpmu...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: perf/core: Detaching event groups during removeonexec The perfeventremoveonexec function removes events by calling perfeventexitevent. For top-level events, this removes the event from the context with DETACHEXIT only. This can...

Linux Distros Unpatched Vulnerability : CVE-2026-89513

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - RISC-V: KVM: Fix PMU event info array size overflow SBI PMU EVENTGETINFO stores guest-controlled numevents sizeofeinfo in a 32-bit integer. On RV64, numevents =...

CVE-2026-89513

A flaw was found in the Linux kernel's KVM Kernel-based Virtual Machine component for RISC-V architectures. A malicious guest operating system could exploit an integer overflow vulnerability by providing a crafted number of Performance Monitoring Unit PMU events during the SBI PMU EVENTGETINFO...

CVE-2026-89513

In the Linux kernel, the following vulnerability has been resolved: RISC-V: KVM: Fix PMU event info array size overflow SBI PMU EVENTGETINFO stores guest-controlled numevents sizeofeinfo in a 32-bit integer. On RV64, numevents = 0x10000001 makes 0x100000010 truncate to 16. KVM then allocates one...

DEBIAN-CVE-2026-89513

In the Linux kernel, the following vulnerability has been resolved: RISC-V: KVM: Fix PMU event info array size overflow SBI PMU EVENTGETINFO stores guest-controlled numevents sizeofeinfo in a 32-bit integer. On RV64, numevents = 0x10000001 makes 0x100000010 truncate to 16. KVM then allocates one...

CVE-2026-89513

In the Linux kernel, the following vulnerability has been resolved: RISC-V: KVM: Fix PMU event info array size overflow SBI PMU EVENTGETINFO stores guest-controlled numevents sizeofeinfo in a 32-bit integer. On RV64, numevents = 0x10000001 makes 0x100000010 truncate to 16. KVM then allocates one...

UBUNTU-CVE-2026-89513

In the Linux kernel, the following vulnerability has been resolved: RISC-V: KVM: Fix PMU event info array size overflow SBI PMU EVENTGETINFO stores guest-controlled numevents sizeofeinfo in a 32-bit integer. On RV64, numevents = 0x10000001 makes 0x100000010 truncate to 16. KVM then allocates one...

CVE-2026-89513

CVE-2026-89513 is an integer overflow in the Linux kernel's KVM (RISC-V) component. The SBI PMU EVENT_GET_INFO handler stores num_events * sizeof(*einfo) in a 32-bit integer; on RV64, a guest-supplied num_events = 0x10000001 truncates the allocation to 16 bytes while KVM still loops over the orig...

CVE-2026-89513 RISC-V: KVM: Fix PMU event info array size overflow

In the Linux kernel, the following vulnerability has been resolved: RISC-V: KVM: Fix PMU event info array size overflow SBI PMU EVENTGETINFO stores guest-controlled numevents sizeofeinfo in a 32-bit integer. On RV64, numevents = 0x10000001 makes 0x100000010 truncate to 16. KVM then allocates one...

EUVD-2026-76419

In the Linux kernel, the following vulnerability has been resolved: RISC-V: KVM: Fix PMU event info array size overflow SBI PMU EVENTGETINFO stores guest-controlled numevents sizeofeinfo in a 32-bit integer. On RV64, numevents = 0x10000001 makes 0x100000010 truncate to 16. KVM then allocates one...

CVE-2026-89513 RISC-V: KVM: Fix PMU event info array size overflow

In the Linux kernel, the following vulnerability has been resolved: RISC-V: KVM: Fix PMU event info array size overflow SBI PMU EVENTGETINFO stores guest-controlled numevents sizeofeinfo in a 32-bit integer. On RV64, numevents = 0x10000001 makes 0x100000010 truncate to 16. KVM then allocates one...

CVE-2026-89513

In the Linux kernel, the following vulnerability has been resolved: RISC-V: KVM: Fix PMU event info array size overflow SBI PMU EVENTGETINFO stores guest-controlled numevents sizeofeinfo in a 32-bit integer. On RV64, numevents = 0x10000001 makes 0x100000010 truncate to 16. KVM then allocates one...

PT-2026-90229

In the Linux kernel, the following vulnerability has been resolved: RISC-V: KVM: Fix PMU event info array size overflow SBI PMU EVENT GET INFO stores guest-controlled num events sizeofeinfo in a 32-bit integer. On RV64, num events = 0x10000001 makes 0x100000010 truncate to 16. KVM then allocates...

SUSE CVE-2026-72325

In the Linux kernel, the following vulnerability has been resolved: perf/x86/amd/core: Avoid enabling BRS from the SVM reload path Branch Sampling BRS and Last Branch Record LBR are mutually exclusive hardware features, and users of both are tracked via cpuc-lbrusers. When SVM is toggled on a CPU...

CVE-2026-80626

In the Linux kernel, the following vulnerability has been resolved: powerpc/perf: fix preempt count underflow in fslembpmudel fslembpmudel unconditionally calls putcpuvarcpuhwevents at the 'out:' label, but only calls the matching getcpuvar after the 'i hw.idx is negative the function jumps to...

PT-2026-82926

In the Linux kernel, the following vulnerability has been resolved: powerpc/perf: fix preempt count underflow in fsl emb pmu del fsl emb pmu del unconditionally calls put cpu varcpu hw events at the 'out:' label, but only calls the matching get cpu var after the 'i hw.idx is negative the function...

ROS-20260827-73-0033

The vulnerability of the riscvpmustart function in the drivers/perf/riscvpmu.c module of the Linux kernel’s performance monitoring driver is related to improper handling of exceptional conditions. Exploiting this vulnerability could allow an attacker to cause a system failure...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: powerpc/imc-pmu: Fixed the use of a mutex in the IRQs-disabled section. The current imc-pmu code triggers a warning when CONFIGDEBUGATOMICSLEEP is enabled and CONFIGPROVELOCKING is also enabled, while a threadimc event is running...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drivers/perf: Fixed the issue where the alidrwpmu driver failed to clear the interrupt status during interrupt processing. The alibabauncorepmu driver forgot to clear all interrupt statuses during interrupt handling. After the PM...