vulnerability
Arch Linux: Denial of service (CVE-2020-13529)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 3 | (AV:A/AC:M/Au:N/C:N/I:N/A:P) | May 10, 2021 | Jul 11, 2025 | Nov 27, 2025 |
Severity
3
CVSS
(AV:A/AC:M/Au:N/C:N/I:N/A:P)
Published
May 10, 2021
Added
Jul 11, 2025
Modified
Nov 27, 2025
Description
An exploitable denial-of-service vulnerability exists in systemd-networkd before version 249. A maliciously crafted DHCP FORCERENEW packet can cause a server running the DHCP client to be vulnerable to a DHCP ACK spoofing attack. An attacker can forge a pair of FORCERENEW and DCHP ACK packets to reconfigure the server.
Solution
arch-linux-upgrade-latest
References
- CVE-2020-13529
- https://attackerkb.com/topics/CVE-2020-13529
- URL-http://www.openwall.com/lists/oss-security/2021/08/04/2
- URL-http://www.openwall.com/lists/oss-security/2021/08/17/3
- URL-http://www.openwall.com/lists/oss-security/2021/09/07/3
- URL-https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/42TMJVNYRY65B4QCJICBYOEIVZV3KUYI/
- URL-https://security.archlinux.org/ASA-202107-29
- URL-https://security.gentoo.org/glsa/202107-48
- URL-https://security.netapp.com/advisory/ntap-20210625-0005/
- URL-https://talosintelligence.com/vulnerability_reports/TALOS-2020-1142
- CWE-290
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