Detections
Analytics

Google: sys-kernel/cchost-kernel-6_12, sys-kernel/csql-kernel-6_12, sys-kernel/csql-kernel-6_6, sys-kernel/lakitu-kernel-6_12, sys-kernel/lakitu-kernel-6_6, sys-kernel/lakitu-nc-kernel-6_12, sys-kernel/lakitu-nc-kernel-6_6, sys-kernel/lakitu-vgpu-kernel-6_6: security update to 19216.395.73

high Tenable Cloud Security Plugin ID 468585

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: nSVM: Raise #UD if unhandled
 VMMCALL isn't intercepted by L1 Explicitly synthesize a #UD for VMMCALL if L2 is active, L1 does NOT want
 to intercept VMMCALL, nested_svm_l2_tlb_flush_enabled() is true, and the hypercall is something other than
 one of the supported Hyper-V hypercalls. When all of the above conditions are met, KVM will intercept
 VMMCALL but never forward it to L1, i.e. will let L2 make hypercalls as if it were L1. The TLFS says a
 whole lot of nothing about this scenario, so go with the architectural behavior, which says that VMMCALL
 #UDs if it's not intercepted. Opportunistically do a 2-for-1 stub trade by stub-ifying the new API instead
 of the helpers it uses. The last remaining "single" stub will soon be dropped as well. [sean: rewrite
 changelog and comment, tag for stable, remove defunct stubs] (CVE-2026-46076)

Solution

Update the sys-kernel/cchost-kernel-6_12 library and its related packages to version 19216.395.73 or later.

See Also

https://storage.googleapis.com/cos-oval-vulnerability-feed/cos-125.oval.xml.tar.gz

Plugin Details

Severity: High

ID: 468585

Version: Revision 1.3

Type: Local

Published: 10/3/2026

Updated: 10/3/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

Percentile: 57.55

Vendor

Vendor Severity: LOW

CVSS v2

Risk Factor: Medium

Base Score: 6

Temporal Score: 4.4

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

CVSS Score Source: CVE-2026-46076

CVSS v3

Risk Factor: High

Base Score: 7.9

Temporal Score: 6.9

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/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: 5/26/2026

Reference Information

CVE: CVE-2026-46076