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Echo: linux: security update to 6.12.86-1

critical Tenable Self-Hosted Container Security Plugin ID 464713

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: rxrpc: Fix re-decryption of RESPONSE
 packets If a RESPONSE packet gets a temporary failure during processing, it may end up in a partially
 decrypted state - and then get requeued for a retry. Fix this by just discarding the packet; we will send
 another CHALLENGE packet and thereby elicit a further response. Similarly, discard an incoming CHALLENGE
 packet if we get an error whilst generating a RESPONSE; the server will send another CHALLENGE.
 (CVE-2026-45988)

Solution

Update the linux library and its related packages to version 6.12.86-1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-45988

Plugin Details

Severity: Critical

ID: 464713

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.98

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS Score Source: CVE-2026-45988

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/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

Patch Publication Date: 5/28/2026

Vulnerability Publication Date: 5/14/2026

Reference Information

CVE: CVE-2026-45988