Google: sys-kernel/csql-kernel-6_12, sys-kernel/csql-kernel-6_6: security update to 19216.0.53

high Tenable Cloud Security Plugin ID 468308

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: xfrm: Duplicate SPI Handling The issue
originates when Strongswan initiates an XFRM_MSG_ALLOCSPI Netlink message, which triggers the kernel
function xfrm_alloc_spi(). This function is expected to ensure uniqueness of the Security Parameter Index
(SPI) for inbound Security Associations (SAs). However, it can return success even when the requested SPI
is already in use, leading to duplicate SPIs assigned to multiple inbound SAs, differentiated only by
their destination addresses. This behavior causes inconsistencies during SPI lookups for inbound packets.
Since the lookup may return an arbitrary SA among those with the same SPI, packet processing can fail,
resulting in packet drops. According to RFC 4301 section 4.4.2 , for inbound processing a unicast SA is
uniquely identified by the SPI and optionally protocol. Reproducing the Issue Reliably: To consistently
reproduce the problem, restrict the available SPI range in charon.conf : spi_min = 0x10000000 spi_max =
0x10000002 This limits the system to only 2 usable SPI values. Next, create more than 2 Child SA. each
using unique pair of src/dst address. As soon as the 3rd Child SA is initiated, it will be assigned a
duplicate SPI, since the SPI pool is already exhausted. With a narrow SPI range, the issue is consistently
reproducible. With a broader/default range, it becomes rare and unpredictable. Current implementation:
xfrm_spi_hash() lookup function computes hash using daddr, proto, and family. So if two SAs have the same
SPI but different destination addresses, then they will: a. Hash into different buckets b. Be stored in
different linked lists (byspi + h) c. Not be seen in the same hlist_for_each_entry_rcu() iteration. As a
result, the lookup will result in NULL and kernel allows that Duplicate SPI Proposed Change:
xfrm_state_lookup_spi_proto() does a truly global search - across all states, regardless of hash bucket
and matches SPI and proto. (CVE-2025-39797)

Solution

Update the sys-kernel/csql-kernel-6_12 library and its related packages to version 19216.0.53 or later.

Plugin Details

Severity: High

ID: 468308

Version: Revision 1.4

Type: Local

Family: Google COS Security Checks

Published: 10/3/2026

Updated: 10/6/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.3

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-2025-39797

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: 9/12/2025

Reference Information

CVE: CVE-2025-39797

Detections

Analytics