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Google: sys-kernel/lakitu-kernel-6_1, sys-kernel/lakitu-kernel-6_6: security update to 18613.164.81

medium Tenable Cloud Security Plugin ID 471513

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: acct: perform last write from
 workqueue In [1] it was reported that the acct(2) system call can be used to trigger NULL deref in cases
 where it is set to write to a file that triggers an internal lookup. This can e.g., happen when pointing
 acc(2) to /sys/power/resume. At the point the where the write to this file happens the calling task has
 already exited and called exit_fs(). A lookup will thus trigger a NULL-deref when accessing current->fs.
 Reorganize the code so that the the final write happens from the workqueue but with the caller's
 credentials. This preserves the (strange) permission model and has almost no regression risk. This api
 should stop to exist though. (CVE-2025-21846)

Solution

Update the sys-kernel/lakitu-kernel-6_1 library and its related packages to version 18613.164.81 or later.

See Also

https://storage.googleapis.com/cos-oval-vulnerability-feed/cos-117.oval.xml.tar.gz

Plugin Details

Severity: Medium

ID: 471513

Version: Revision 1.1

Type: Local

Published: 10/3/2026

Updated: 10/3/2026

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.18

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-2025-21846

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: 4/9/2024

Reference Information

CVE: CVE-2025-21846