Detections
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Google: sys-kernel/csql-kernel-6_6, sys-kernel/tpusev-kernel-6_6: security update to 18613.439.45

low Tenable Self-Hosted Container Security Plugin ID 465752

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: fs: quota: create dedicated workqueue
 for quota_release_work There is a kernel panic due to WARN_ONCE when panic_on_warn is set. This issue
 occurs when writeback is triggered due to sync call for an opened file(ie, writeback reason is
 WB_REASON_SYNC). When f2fs balance is needed at sync path, flush for quota_release_work is triggered. By
 default quota_release_work is queued to "events_unbound" queue which does not have WQ_MEM_RECLAIM flag.
 During f2fs balance "writeback" workqueue tries to flush quota_release_work causing kernel panic due to
 MEM_RECLAIM flag mismatch errors. This patch creates dedicated workqueue with WQ_MEM_RECLAIM flag for work
 quota_release_work. ------------[ cut here ]------------ WARNING: CPU: 4 PID: 14867 at
 kernel/workqueue.c:3721 check_flush_dependency+0x13c/0x148 Call trace: check_flush_dependency+0x13c/0x148
 __flush_work+0xd0/0x398 flush_delayed_work+0x44/0x5c dquot_writeback_dquots+0x54/0x318
 f2fs_do_quota_sync+0xb8/0x1a8 f2fs_write_checkpoint+0x3cc/0x99c f2fs_gc+0x190/0x750
 f2fs_balance_fs+0x110/0x168 f2fs_write_single_data_page+0x474/0x7dc f2fs_write_data_pages+0x7d0/0xd0c
 do_writepages+0xe0/0x2f4 __writeback_single_inode+0x44/0x4ac writeback_sb_inodes+0x30c/0x538
 wb_writeback+0xf4/0x440 wb_workfn+0x128/0x5d4 process_scheduled_works+0x1c4/0x45c
 worker_thread+0x32c/0x3e8 kthread+0x11c/0x1b0 ret_from_fork+0x10/0x20 Kernel panic - not syncing: kernel:
 panic_on_warn set ... (CVE-2025-40196)

Solution

Update the sys-kernel/csql-kernel-6_6 library and its related packages to version 18613.439.45 or later.

See Also

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

Plugin Details

Severity: Low

ID: 465752

Version: Revision 1.2

Type: Local

Published: 10/2/2026

Updated: 10/3/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 1.2

Percentile: 0.01

Vendor

Vendor Severity: LOW

CVSS v2

Risk Factor: Low

Base Score: 1.7

Temporal Score: 1.3

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

CVSS Score Source: CVE-2025-40196

CVSS v3

Risk Factor: Low

Base Score: 3.3

Temporal Score: 2.9

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 11/12/2025

Reference Information

CVE: CVE-2025-40196