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Echo: linux: security update to 6.1.176-1

high Tenable Self-Hosted Container Security Plugin ID 459491

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: batman-adv: bla: prevent use-after-
 free when deleting claims When batadv_bla_del_backbone_claims() removes all claims for a backbone, it does
 this by dropping the link entry in the hash list. This list entry itself was one of the references which
 need to be dropped at the same time via batadv_claim_put(). But the batadv_claim_put() must not be done
 before the last access to the claim object in this function. Otherwise the claim might be freed already by
 the batadv_claim_release() function before the list entry was dropped. (CVE-2026-46212)

Solution

Update the linux library and its related packages to version 6.1.176-1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-46212

Plugin Details

Severity: High

ID: 459491

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.14

CVSS v2

Risk Factor: High

Base Score: 8.3

Temporal Score: 6.1

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

CVSS Score Source: CVE-2026-46212

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

Vector: CVSS:3.0/AV:A/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: 5/28/2026

Reference Information

CVE: CVE-2026-46212