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Google: sys-kernel/csql-kernel-6_6: security update to 19165.0.0

medium Tenable Cloud Security Plugin ID 454558

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: clocksource: Use migrate_disable() to
 avoid calling get_random_u32() in atomic context The following bug report happened with a PREEMPT_RT
 kernel: BUG: sleeping function called from invalid context at kernel/locking/spinlock_rt.c:48 in_atomic():
 1, irqs_disabled(): 0, non_block: 0, pid: 2012, name: kwatchdog preempt_count: 1, expected: 0 RCU nest
 depth: 0, expected: 0 get_random_u32+0x4f/0x110 clocksource_verify_choose_cpus+0xab/0x1a0
 clocksource_verify_percpu.part.0+0x6b/0x330 clocksource_watchdog_kthread+0x193/0x1a0 It is due to the fact
 that clocksource_verify_choose_cpus() is invoked with preemption disabled. This function invokes
 get_random_u32() to obtain random numbers for choosing CPUs. The batched_entropy_32 local lock and/or the
 base_crng.lock spinlock in driver/char/random.c will be acquired during the call. In PREEMPT_RT kernel,
 they are both sleeping locks and so cannot be acquired in atomic context. Fix this problem by using
 migrate_disable() to allow smp_processor_id() to be reliably used without introducing atomic context.
 preempt_disable() is then called after clocksource_verify_choose_cpus() but before the clocksource
 measurement is being run to avoid introducing unexpected latency. (CVE-2025-21767)

Solution

Update the sys-kernel/csql-kernel-6_6 library and its related packages to version 19165.0.0 or later.

See Also

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

Plugin Details

Severity: Medium

ID: 454558

Version: Revision 1.1

Type: Local

Published: 10/1/2026

Updated: 10/1/2026

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-2025-21767

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: 2/27/2025

Reference Information

CVE: CVE-2025-21767