Linux Distros Unpatched Vulnerability : CVE-2026-43501

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: ipv6: rpl: reserve maclen headroom when recompressed SRH grows ipv6rplsrhrcv decompresses a...

CVE-2026-43501

In the Linux kernel, the following vulnerability has been resolved: ipv6: rpl: reserve maclen headroom when recompressed SRH grows ipv6rplsrhrcv decompresses an RFC 6554 Source Routing Header, swaps the next segment into ipv6hdr-daddr, recompresses, then pulls the old header and pushes the new on...

CVE-2026-43501

In the Linux kernel, the following vulnerability has been resolved: ipv6: rpl: reserve maclen headroom when recompressed SRH grows ipv6rplsrhrcv decompresses an RFC 6554 Source Routing Header, swaps the next segment into ipv6hdr-daddr, recompresses, then pulls the old header and pushes the new on...

CVE-2026-43501

In the Linux kernel, the following vulnerability has been resolved: ipv6: rpl: reserve maclen headroom when recompressed SRH grows ipv6rplsrhrcv decompresses an RFC 6554 Source Routing Header, swaps the next segment into ipv6hdr-daddr, recompresses, then pulls the old header and pushes the new on...

CVE-2026-43501 ipv6: rpl: reserve mac_len headroom when recompressed SRH grows

In the Linux kernel, the following vulnerability has been resolved: ipv6: rpl: reserve maclen headroom when recompressed SRH grows ipv6rplsrhrcv decompresses an RFC 6554 Source Routing Header, swaps the next segment into ipv6hdr-daddr, recompresses, then pulls the old header and pushes the new on...

CVE-2026-43501

CVE-2026-43501 - Linux kernel IPv6 SRH headroom bug : The issue occurs in ipv6_rpl_srh_rcv() when decompressing and recompressing RFC 6554 Source Routing Headers, where the recompressed IPv6 header can grow beyond the received header. The root cause is an unsafe headroom handling in pskb_expand_h...

EUVD-2026-31276

In the Linux kernel, the following vulnerability has been resolved: ipv6: rpl: reserve maclen headroom when recompressed SRH grows ipv6rplsrhrcv decompresses an RFC 6554 Source Routing Header, swaps the next segment into ipv6hdr-daddr, recompresses, then pulls the old header and pushes the new on...

PT-2026-42457

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An out-of-bounds write issue exists in the Linux kernel when recomputing an IPv6 Source Routing Header SRH. The ipv6 rpl srh rcv function decompresses an RFC 6554 SRH, swaps the next...

CVE-2026-31674

A flaw was found in the Linux kernel's netfilter subsystem, specifically within the ip6trt module. This vulnerability occurs when processing IPv6 routing header RT match rules with an oversized address number addrnr. A local attacker could exploit this by crafting a malicious netfilter rule,...

CVE-2026-23442

In the Linux kernel, the following vulnerability has been resolved: ipv6: add NULL checks for idev in SRv6 paths in6devget can return NULL when the device has no IPv6 configuration e.g. MTU IPV6MINMTU or after NETDEVUNREGISTER. Add NULL checks for idev returned by in6devget in both...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990401)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990401 advisory. In the Linux kernel, the following vulnerability has been resolved: seg6: fix the iif in the IPv6 socket control block When an IPv4 packet is received, the...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-987542)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-987542 advisory. In the Linux kernel, the following vulnerability has been resolved: seg6: fix the iif in the IPv6 socket control block When an IPv4 packet is received, the...

EUVD-2017-4504

Malware in sbrugna...

CVE-2023-53343

In the Linux kernel, the following vulnerability has been resolved: icmp6: Fix null-ptr-deref of ip6nullentry-rt6iidev in icmp6dev. With some IPv6 Ext Hdr RPL, SRv6, etc., we can send a packet that has the link-local address as src and dst IP and will be forwarded to an external IP in the IPv6 Ex...

CVE-2023-29001

Contiki-NG is an open-source, cross-platform operating system for IoT devices. The Contiki-NG operating system processes source routing headers SRH in its two alternative RPL protocol implementations. The IPv6 implementation uses the results of this processing to determine whether an incoming...

CVE-2023-29001

CVE-2023-29001 affects Contiki-NG. The IPv6 SRH processing in Contiki-NG’s two RPL implementations can cause an uncontrolled recursion in the function tcpip_ipv6_output when a packet with a local next-hop address is received, potentially triggering a stack overflow. Exploitation requires attacker...

CVE-2023-29001 Uncontrolled recursion due to insufficient validation of the IPv6 source routing header in Contiki-NG

Contiki-NG is an open-source, cross-platform operating system for IoT devices. The Contiki-NG operating system processes source routing headers SRH in its two alternative RPL protocol implementations. The IPv6 implementation uses the results of this processing to determine whether an incoming...

CVE-2023-29001 Uncontrolled recursion due to insufficient validation of the IPv6 source routing header in Contiki-NG

Contiki-NG is an open-source, cross-platform operating system for IoT devices. The Contiki-NG operating system processes source routing headers SRH in its two alternative RPL protocol implementations. The IPv6 implementation uses the results of this processing to determine whether an incoming...

SUSE CVE-2024-39490

In the Linux kernel, the following vulnerability has been resolved: ipv6: sr: fix missing skbuff release in seg6inputcore The seg6input function is responsible for adding the SRH into a packet, delegating the operation to the seg6inputcore. This function uses the skbcowhead to ensure that there i...

DEBIAN-CVE-2024-39490

In the Linux kernel, the following vulnerability has been resolved: ipv6: sr: fix missing skbuff release in seg6inputcore The seg6input function is responsible for adding the SRH into a packet, delegating the operation to the seg6inputcore. This function uses the skbcowhead to ensure that there i...