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Google: sys-kernel/cchost-kernel-6_12, sys-kernel/csql-kernel-6_6: security update to 19216.220.9

medium Tenable Self-Hosted Container Security Plugin ID 472052

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: btrfs: send: check for inline extents
 in range_is_hole_in_parent() Before accessing the disk_bytenr field of a file extent item we need to check
 if we are dealing with an inline extent. This is because for inline extents their data starts at the
 offset of the disk_bytenr field. So accessing the disk_bytenr means we are accessing inline data or in
 case the inline data is less than 8 bytes we can actually cause an invalid memory access if this inline
 extent item is the first item in the leaf or access metadata from other items. (CVE-2026-23141)

Solution

Update the sys-kernel/cchost-kernel-6_12 library and its related packages to version 19216.220.9 or later.

See Also

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

Plugin Details

Severity: Medium

ID: 472052

Version: Revision 1.1

Type: Local

Published: 10/3/2026

Updated: 10/3/2026

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.51

Vendor

Vendor Severity: LOW

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-2026-23141

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/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: 2/14/2026

Reference Information

CVE: CVE-2026-23141