Detections
Analytics

Google: sys-kernel/cchost-kernel-6_12, sys-kernel/csql-kernel-6_12, sys-kernel/lakitu-kernel-6_12, sys-kernel/lakitu-nc-kernel-6_12: security update to 19506.0.140

critical Tenable Cloud Security Plugin ID 469448

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: inet: RAW sockets using IPPROTO_RAW
 MUST drop incoming ICMP Yizhou Zhao reported that simply having one RAW socket on protocol IPPROTO_RAW
 (255) was dangerous. socket(AF_INET, SOCK_RAW, 255); A malicious incoming ICMP packet can set the protocol
 field to 255 and match this socket, leading to FNHE cache changes. inner = IP(src="192.168.2.1",
 dst="8.8.8.8", proto=255)/Raw("TEST") pkt = IP(src="192.168.1.1", dst="192.168.2.1")/ICMP(type=3, code=4,
 nexthopmtu=576)/inner "man 7 raw" states: A protocol of IPPROTO_RAW implies enabled IP_HDRINCL and is able
 to send any IP protocol that is specified in the passed header. Receiving of all IP protocols via
 IPPROTO_RAW is not possible using raw sockets. Make sure we drop these malicious packets. (CVE-2026-46266)

Solution

Update the sys-kernel/cchost-kernel-6_12 library and its related packages to version 19506.0.140 or later.

See Also

https://storage.googleapis.com/cos-oval-vulnerability-feed/cos-129.oval.xml.tar.gz

Plugin Details

Severity: Critical

ID: 469448

Version: Revision 1.5

Type: Local

Published: 10/3/2026

Updated: 10/6/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.3

Percentile: 53.69

Vendor

Vendor Severity: LOW

CVSS v2

Risk Factor: High

Base Score: 9.4

Temporal Score: 7

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

CVSS Score Source: CVE-2026-46266

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 7.9

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/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: 3/27/2026

Reference Information

CVE: CVE-2026-46266