CVE-2026-79980 Predictable and reused DHCPv4 transaction identifier allows spoofed DHCP replies to reconfigure gateway and DNS

The DHCPv4 client in subsys/net/lib/dhcpv4/dhcpv4.c maintained its transaction identifier iface-config.dhcpv4.xid as a counter rather than as a per-transaction random value. It was seeded once with sysrand32get in dhcpv4startinternal, incremented by one in dhcpv4senddiscover and dhcpv4senddecline...

CVE-2026-79980

The DHCPv4 client in subsys/net/lib/dhcpv4/dhcpv4.c contains a vulnerability where the transaction identifier (xid) is maintained as a predictable counter rather than a per-transaction random value. Because this identifier is the only unpredictable reply-validation token, an attacker observing a ...

CVE-2026-79980 Predictable and reused DHCPv4 transaction identifier allows spoofed DHCP replies to reconfigure gateway and DNS

The DHCPv4 client in subsys/net/lib/dhcpv4/dhcpv4.c maintained its transaction identifier iface-config.dhcpv4.xid as a counter rather than as a per-transaction random value. It was seeded once with sysrand32get in dhcpv4startinternal, incremented by one in dhcpv4senddiscover and dhcpv4senddecline...

CVE-2026-79980 Predictable and reused DHCPv4 transaction identifier allows spoofed DHCP replies to reconfigure gateway and DNS

The DHCPv4 client in subsys/net/lib/dhcpv4/dhcpv4.c maintained its transaction identifier iface-config.dhcpv4.xid as a counter rather than as a per-transaction random value. It was seeded once with sysrand32get in dhcpv4startinternal, incremented by one in dhcpv4senddiscover and dhcpv4senddecline...

CVE-2026-44932

Passing of unsanitized strings from DHCP replies into the wicked dhcp client before wicked 0.6.79 could be used by attackers operating a malicious DHCP server to execute code on the local machine...

CVE-2026-44932: Improper Neutralization of Special Elements used in an OS Command

Passing of unsanitized strings from DHCP replies into the wicked dhcp client before wicked 0.6.79 could be used by attackers operating a malicious DHCP server to execute code on the local machine...

CVE-2012-2321

The loopback plug-in in ConnMan before 0.85 allows remote attackers to execute arbitrary commands via shell metacharacters in the 1 host name or 2 domain name in a DHCP reply...

Mandriva Update for dhcp MDKA-2007:074 (dhcp)

Check for the Version of dhcp OpenVAS Vulnerability Test Mandriva Update for dhcp MDKA-2007:074 dhcp Authors: System Generated Check Copyright: Copyright c 2009 Greenbone Networks GmbH, http://www.greenbone.net This program is free software; you can redistribute it and/or modify it under the term...

Ubuntu Update for dhcp vulnerability USN-531-2

Ubuntu Update for Linux kernel vulnerabilities USN-531-2 OpenVAS Vulnerability Test $Id: gbubuntuUSN5312.nasl 7969 2017-12-01 09:23:16Z santu $ Ubuntu Update for dhcp vulnerability USN-531-2 Authors: System Generated Check Copyright: Copyright c 2009 Greenbone Networks GmbH,...