Detections
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Fedora 45 : kronosnet (2026-3e85d87212)

medium Nessus Plugin ID 328049

Synopsis

The remote Fedora host is missing one or more security updates.

Description

The remote Fedora 45 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-3e85d87212 advisory.

 Automatic update for kronosnet-1.35-1.fc45.

 ##### **Changelog**

 ```
 * Mon Jul 20 2026 Fabio M. Di Nitto <[email protected]> - 1.35-1
 - New upstream release
 - CVE-2026-15811 (LOW): encryption key exposure in memory after cryptographic configuration changes. Wipe cryptographic keys with explicit_bzero() before freeing to prevent exposure through memory disclosure vulnerabilities. (Resolves rhbz#2500850)
 - CVE-2026-15812 (LOW): access control list bypass via link ID spoofing on unencrypted dynamic links.
 Validate source address against claimed link_id and enable ACL by default. (Resolves rhbz#2500852)
 - CVE-2026-15813 (MEDIUM): memory corruption and out-of-bounds access via malformed network packet defragmentation. Validate fragment sequence numbers before accessing defragmentation buffers. (Resolves rhbz#2500864)
 - tests: add coverage for connected named AF_UNIX SOCK_STREAM sockets
 - libnozzle: Introduce test macros similar to libknet
 - docs: convert README to markdown format
 * Thu Jul 16 2026 Fedora Release Engineering <[email protected]> - 1.34-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild

 ```

Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected kronosnet package.

See Also

https://bodhi.fedoraproject.org/updates/FEDORA-2026-3e85d87212

Plugin Details

Severity: Medium

ID: 328049

File Name: fedora_2026-3e85d87212.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 7/20/2026

Updated: 7/20/2026

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.5

Percentile: 96.32

CVSS v2

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 4.5

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

CVSS Score Source: CVE-2026-15813

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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

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

Vulnerability Information

CPE: cpe:/o:fedoraproject:fedora:45, p-cpe:/a:fedoraproject:fedora:kronosnet

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 7/20/2026

Vulnerability Publication Date: 7/20/2026

Reference Information

CVE: CVE-2026-15811, CVE-2026-15812, CVE-2026-15813