Detections
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Google: sys-kernel/csql-kernel-6_1, sys-kernel/csql-kernel-6_6: security update to 18613.534.110

high Tenable Self-Hosted Container Security Plugin ID 472304

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: nft_ct: fix use-after-free
 in timeout object destroy nft_ct_timeout_obj_destroy() frees the timeout object with kfree() immediately
 after nf_ct_untimeout(), without waiting for an RCU grace period. Concurrent packet processing on other
 CPUs may still hold RCU-protected references to the timeout object obtained via rcu_dereference() in
 nf_ct_timeout_data(). Add an rcu_head to struct nf_ct_timeout and use kfree_rcu() to defer freeing until
 after an RCU grace period, matching the approach already used in nfnetlink_cttimeout.c. KASAN report: BUG:
 KASAN: slab-use-after-free in nf_conntrack_tcp_packet+0x1381/0x29d0 Read of size 4 at addr
 ffff8881035fe19c by task exploit/80 Call Trace: nf_conntrack_tcp_packet+0x1381/0x29d0
 nf_conntrack_in+0x612/0x8b0 nf_hook_slow+0x70/0x100 __ip_local_out+0x1b2/0x210
 tcp_sendmsg_locked+0x722/0x1580 __sys_sendto+0x2d8/0x320 Allocated by task 75:
 nft_ct_timeout_obj_init+0xf6/0x290 nft_obj_init+0x107/0x1b0 nf_tables_newobj+0x680/0x9c0
 nfnetlink_rcv_batch+0xc29/0xe00 Freed by task 26: nft_obj_destroy+0x3f/0xa0
 nf_tables_trans_destroy_work+0x51c/0x5c0 process_one_work+0x2c4/0x5a0 (CVE-2026-31665)

Solution

Update the sys-kernel/csql-kernel-6_1 library and its related packages to version 18613.534.110 or later.

See Also

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

Plugin Details

Severity: High

ID: 472304

Version: Revision 1.1

Type: Local

Published: 10/3/2026

Updated: 10/3/2026

Risk Information

VPR

Risk Factor: Medium

Score: 6.9

Percentile: 96.92

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-2026-31665

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: 4/23/2026

Reference Information

CVE: CVE-2026-31665