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Google: sys-kernel/lakitu-kernel-6_1: security update to 18244.236.77

medium Tenable Cloud Security Plugin ID 451581

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - In the Linux kernel, the following vulnerability has been resolved: KVM: VMX: Bury Intel PT virtualization
 (guest/host mode) behind CONFIG_BROKEN Hide KVM's pt_mode module param behind CONFIG_BROKEN, i.e. disable
 support for virtualizing Intel PT via guest/host mode unless BROKEN=y. There are myriad bugs in the
 implementation, some of which are fatal to the guest, and others which put the stability and health of the
 host at risk. For guest fatalities, the most glaring issue is that KVM fails to ensure tracing is
 disabled, and *stays* disabled prior to VM-Enter, which is necessary as hardware disallows loading (the
 guest's) RTIT_CTL if tracing is enabled (enforced via a VMX consistency check). Per the SDM: If the
 logical processor is operating with Intel PT enabled (if IA32_RTIT_CTL.TraceEn = 1) at the time of VM
 entry, the "load IA32_RTIT_CTL" VM-entry control must be 0. On the host side, KVM doesn't validate the
 guest CPUID configuration provided by userspace, and even worse, uses the guest configuration to decide
 what MSRs to save/load at VM-Enter and VM-Exit. E.g. configuring guest CPUID to enumerate more address
 ranges than are supported in hardware will result in KVM trying to passthrough, save, and load non-
 existent MSRs, which generates a variety of WARNs, ToPA ERRORs in the host, a potential deadlock, etc.
 (CVE-2024-53135)

Solution

Update the sys-kernel/lakitu-kernel-6_1 library and its related packages to version 18244.236.77 or later.

See Also

https://storage.googleapis.com/cos-oval-vulnerability-feed/cos-113.oval.xml.tar.gz

Plugin Details

Severity: Medium

ID: 451581

Version: Revision 1.1

Type: Local

Published: 10/1/2026

Updated: 10/1/2026

Risk Information

VPR

Risk Factor: Low

Score: 3.3

Percentile: 50.87

Vendor

Vendor Severity: MEDIUM

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C

CVSS Score Source: CVE-2024-53135

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 12/4/2024

Reference Information

CVE: CVE-2024-53135