CVE-2024-26992

Summary (CVE-2024-26992): The Linux kernel KVM x86/pmu feature disabled adaptive PEBS due to architecturally broken implementation and potential leakage of host addresses (LBRs) to guests. The report enumerates several contributing issues: Bug 1, improper handling of IA32_FIXED_CTR_CTRL upper bit...

CVE-2024-26992 KVM: x86/pmu: Disable support for adaptive PEBS

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/pmu: Disable support for adaptive PEBS Drop support for virtualizing adaptive PEBS, as KVM's implementation is architecturally broken without an obvious/easy path forward, and because exposing adaptive PEBS can leak host...

CVE-2024-26992

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/pmu: Disable support for adaptive PEBS Drop support for virtualizing adaptive PEBS, as KVM's implementation is architecturally broken without an obvious/easy path forward, and because exposing adaptive PEBS can leak host...

CVE-2024-26992: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/pmu: Disable support for adaptive PEBS Drop support for virtualizing adaptive PEBS, as KVM's implementation is architecturally broken without an obvious/easy path forward, and because exposing adaptive PEBS can leak host...

Medium: kernel

Issue Overview: An issue was discovered in the Linux kernel. Fastrpcinternalinvoke in drivers/misc/fastrpc.c does not prevent user applications from sending kernel RPC messages. This is a related issue to CVE-2019-2308. CVE-2021-28375 A flaw was found in the Linux kernel. The rtwwxsetscan driver...

kernel: System crash in intel_pmu_drain_pebs_nhm in arch/x86/events/intel/ds.c

A flaw was found in the Linux kernel. On some Haswell CPUs, userspace applications such as perf-fuzzer can cause a system crash because the PEBS status in a PEBS record is mishandled...

Denial Of Service (DoS)

linux is vulnerable to denial of service. In intelpmudrainpebsnhm in arch/x86/events/intel/ds.c in the Linux kernel on some Haswell CPUs, userspace applications such as perf-fuzzer can cause a system crash because the PEBS status in a PEBS record is mishandled, aka CID-d88d05a9e0b6...

EulerOS Virtualization 2.9.0 : kernel (EulerOS-SA-2021-1971)

According to the versions of the kernel packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - There is a flaw reported in drivers/gpu/drm/nouveau/nouveausgdma.c in nouveausgdmacreatettm in Nouveau DRM subsystem. The issue...

USN-4948-1: Linux kernel (OEM) vulnerabilities

Ryota Shiga discovered that the eBPF implementation in the Linux kernel did not properly verify that a BPF program only reserved as much memory for a ring buffer as was allocated. A local attacker could use this to cause a denial of service system crash or execute arbitrary code. CVE-2021-3489...

Unbreakable Enterprise kernel-container security update

4.14.35-2047.503.1.el7 - bpf, x86: Validate computation of branch displacements for x86-64 Piotr Krysiuk Orabug: 32759961 CVE-2021-29154 - uek-rpm: Add Amazon Elastic Network Adapter module to nano rpm. Somasundaram Krishnasamy Orabug: 32781585 - ext4: handle error of ext4setupsystemzone on remou...

CVE-2021-28971

A flaw was found in the Linux kernel. On some Haswell CPUs, userspace applications such as perf-fuzzer can cause a system crash because the PEBS status in a PEBS record is mishandled. Mitigation Mitigation for this issue is either not available or the currently available options does not meet the...

AZL-6542 CVE-2021-28971 affecting package kernel for versions less than 5.10.78.1-1

In intelpmudrainpebsnhm in arch/x86/events/intel/ds.c in the Linux kernel through 5.11.8 on some Haswell CPUs, userspace applications such as perf-fuzzer can cause a system crash because the PEBS status in a PEBS record is mishandled, aka CID-d88d05a9e0b6...

CVE-2021-28971

In intelpmudrainpebsnhm in arch/x86/events/intel/ds.c in the Linux kernel through 5.11.8 on some Haswell CPUs, userspace applications such as perf-fuzzer can cause a system crash because the PEBS status in a PEBS record is mishandled, aka CID-d88d05a9e0b6...

DEBIAN-CVE-2021-28971

In intelpmudrainpebsnhm in arch/x86/events/intel/ds.c in the Linux kernel through 5.11.8 on some Haswell CPUs, userspace applications such as perf-fuzzer can cause a system crash because the PEBS status in a PEBS record is mishandled, aka CID-d88d05a9e0b6...

CVE-2021-28971

In intelpmudrainpebsnhm in arch/x86/events/intel/ds.c in the Linux kernel through 5.11.8 on some Haswell CPUs, userspace applications such as perf-fuzzer can cause a system crash because the PEBS status in a PEBS record is mishandled, aka CID-d88d05a9e0b6...

CVE-2021-28971

In intelpmudrainpebsnhm in arch/x86/events/intel/ds.c in the Linux kernel through 5.11.8 on some Haswell CPUs, userspace applications such as perf-fuzzer can cause a system crash because the PEBS status in a PEBS record is mishandled, aka CID-d88d05a9e0b6...

CVE-2021-28971

In intelpmudrainpebsnhm in arch/x86/events/intel/ds.c in the Linux kernel through 5.11.8 on some Haswell CPUs, userspace applications such as perf-fuzzer can cause a system crash because the PEBS status in a PEBS record is mishandled, aka CID-d88d05a9e0b6...

CVE-2021-28971

In intelpmudrainpebsnhm in arch/x86/events/intel/ds.c in the Linux kernel through 5.11.8 on some Haswell CPUs, userspace applications such as perf-fuzzer can cause a system crash because the PEBS status in a PEBS record is mishandled, aka CID-d88d05a9e0b6...

CVE-2021-28971

The CVE-2021-28971 vulnerability affects the Linux kernel: specifically, intel_pmu_drain_pebs_nhm in arch/x86/events/intel/ds.c can mishandle PEBS status on Haswell-era CPUs, potentially causing a system crash when userspace tools (e.g., perf-fuzzer) access performance events. The issue exists in...

CVE-2021-28971: Improper Handling of Exceptional Conditions

In intelpmudrainpebsnhm in arch/x86/events/intel/ds.c in the Linux kernel through 5.11.8 on some Haswell CPUs, userspace applications such as perf-fuzzer can cause a system crash because the PEBS status in a PEBS record is mishandled, aka CID-d88d05a9e0b6...