Intel CPUs -- multiple vulnerabilities

Intel reports: A potential security vulnerability in some 4th and 5th Generation Intel Xeon Processors may allow denial of service. Intel released microcode updates to mitigate this potential vulnerability. Potential security vulnerabilities in some Intel Xeon processors using Intel Software Guar...

Intel CPUs -- multiple vulnerabilities

Intel reports: A potential security vulnerability in the Running Average Power Limit RAPL interface for some Intel Processors may allow information disclosure. Intel has released firmware updates to mitigate this potential vulnerability. A potential security vulnerability in some Intel Processors...

CVE-2024-44948

In the Linux kernel, the following vulnerability has been resolved: x86/mtrr: Check if fixed MTRRs exist before saving them MTRRs have an obsolete fixed variant for fine grained caching control of the 640K-1MB region that uses separate MSRs. This fixed variant has a separate capability bit in the...

CVE-2024-44948

The CVE-2024-44948 entry applies to the Linux kernel vulnerability where mtrr_save_state() did not verify the fixed MTRR capability bit before accessing fixed MTRR MSRs. This missing capability check could cause a #GP on older CPUs that lack the fixed MTRR capability, though the RDMSR fault would...

CVE-2024-44948 x86/mtrr: Check if fixed MTRRs exist before saving them

In the Linux kernel, the following vulnerability has been resolved: x86/mtrr: Check if fixed MTRRs exist before saving them MTRRs have an obsolete fixed variant for fine grained caching control of the 640K-1MB region that uses separate MSRs. This fixed variant has a separate capability bit in the...

CVE-2024-44948 x86/mtrr: Check if fixed MTRRs exist before saving them

In the Linux kernel, the following vulnerability has been resolved: x86/mtrr: Check if fixed MTRRs exist before saving them MTRRs have an obsolete fixed variant for fine grained caching control of the 640K-1MB region that uses separate MSRs. This fixed variant has a separate capability bit in the...

SUSE CVE-2022-48892

In the Linux kernel, the following vulnerability has been resolved: sched/core: Fix use-after-free bug in dupusercpusptr Since commit 07ec77a1d4e8 "sched: Allow task CPU affinity to be restricted on asymmetric systems", the setting and clearing of usercpusptr are done under pilock for arm64...

UBUNTU-CVE-2022-48892

In the Linux kernel, the following vulnerability has been resolved: sched/core: Fix use-after-free bug in dupusercpusptr Since commit 07ec77a1d4e8 "sched: Allow task CPU affinity to be restricted on asymmetric systems", the setting and clearing of usercpusptr are done under pilock for arm64...

Intel CPUs -- multiple vulnerabilities

Intel reports: A potential security vulnerability in SMI Transfer monitor STM may allow escalation of privilege. Intel has released microcode updates to mitigate this potential vulnerability. A potential security vulnerability in some 3rd Generation Intel Xeon Scalable Processors may allow denial...

FreeBSD : AMD CPUs -- Guest Memory Vulnerabilities (7d631146-5769-11ef-b618-1c697a616631)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the 7d631146-5769-11ef-b618-1c697a616631 advisory. AMD reports: Researchers from IOActive have reported that it may be possible for an attacker with ring ...

AMD CPUs -- Guest Memory Vulnerabilities

AMD reports: Researchers from IOActive have reported that it may be possible for an attacker with ring 0 access to modify the configuration of System Management Mode SMM even when SMM Lock is enabled. Improper validation in a model specific register MSR could allow a malicious program with ring0...

hw: cpu: intel: Native Branch History Injection (BHI)

A flaw was found in some Intel CPUs where mitigations for the Spectre V2/BHI vulnerability were incomplete. This issue may allow an attacker to read arbitrary memory, compromising system integrity and exposing sensitive information...

DEBIAN-CVE-2024-42230

In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries: Fix scv instruction crash with kexec kexec on pseries disables AIL reloconexc, required for scv instruction support, before other CPUs have been shut down. This means they can execute scv instructions after AIL i...

CVE-2022-48845

In the Linux kernel, the following vulnerability has been resolved: MIPS: smp: fill in sibling and core maps earlier After enabling CONFIGSCHEDCORE landed during 5.14 cycle, 2-core 2-thread-per-core interAptiv CPS-driven started emitting the following: 0.025698 CPU1 revision is: 0001a120 MIPS...

PT-2024-33767

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 6.6.21 Description: The issue is related to the rcu-tasks component in the Linux kernel, specifically with the rcu tasks need gpcb function. When the kernel is built with CONFIG FORCE NR CPUS=y, it can lead to a...

CBL Mariner 2.0 Security Update: kernel (CVE-2019-3016)

The version of kernel installed on the remote CBL Mariner 2.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2019-3016 advisory. - In a Linux KVM guest that has PV TLB enabled, a process in the guest kernel May be able to read memory...

CVE-2021-47619

In the Linux kernel, the following vulnerability has been resolved: i40e: Fix queues reservation for XDP When XDP was configured on a system with large number of CPUs and X722 NIC there was a call trace with NULL pointer dereference. i40e 0000:87:00.0: failed to get tracking for 256 queues for VS...

CVE-2024-35292

CVE-2024-35292 affects Siemens SIMATIC S7-200 SMART devices (CR40/CR60/SR20/SR30/SR40/SR60/ST20/ST30/ST40/ST60; all versions) where devices use a predictable IP ID sequence number. This vulnerability enables a class of network-based attacks that could lead to a denial-of-service condition. The CV...

CVE-2021-47566 proc/vmcore: fix clearing user buffer by properly using clear_user()

In the Linux kernel, the following vulnerability has been resolved: proc/vmcore: fix clearing user buffer by properly using clearuser To clear a user buffer we cannot simply use memset, we have to use clearuser. With a virtio-mem device that registers a vmcorecb and has some logically unplugged...

CVE-2023-52831

In the Linux kernel, the following vulnerability has been resolved: cpu/hotplug: Don't offline the last non-isolated CPU If a system has isolated CPUs via the "isolcpus=" command line parameter, then an attempt to offline the last housekeeping CPU will result in a WARNON when rebuilding the...