Google: sys-kernel/cchost-kernel-6_12, sys-kernel/csql-kernel-6_12: security update to 19506.0.98

high Tenable Cloud Security Plugin ID 471963

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: netfilter: xt_IDLETIMER: reject rev0
reuse of ALARM timer labels IDLETIMER revision 0 rules reuse existing timers by label and always call
mod_timer() on timer->timer. If the label was created first by revision 1 with XT_IDLETIMER_ALARM, the
object uses alarm timer semantics and timer->timer is never initialized. Reusing that object from revision
0 causes mod_timer() on an uninitialized timer_list, triggering debugobjects warnings and possible panic
when panic_on_warn=1. Fix this by rejecting revision 0 rule insertion when an existing timer with the same
label is of ALARM type. (CVE-2026-23274)

Solution

Update the sys-kernel/cchost-kernel-6_12 library and its related packages to version 19506.0.98 or later.

Plugin Details

Severity: High

ID: 471963

Version: Revision 1.3

Type: Local

Family: Google COS Security Checks

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: 4.9

Percentile: 58.25

Vendor

Vendor Severity: LOW

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2026-23274

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/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: 3/20/2026

Reference Information

CVE: CVE-2026-23274

Detections

Analytics