CVE-2026-97974: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ipv6: null-check fib6node before accessing in ip6delrtsiblings syzbot reported a null-ptr-deref in ip6delrtsiblings 0. The stack trace hinted towards a null dereference of rt-fib6node when fn-leaf is accessed in ip6delrtsiblings...

CVE-2026-97597: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ipv6: flowlabel: cap duplicate leases per socket ipv6flowlabelget allocates an ipv6flsocklist entry for every successful GET. The recheck path for a compatible existing flowlabel links another lease without applying any lease...

PT-2026-98763

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the IPv6 multicast implementation where the ip6 mc source function modifies psl-sl addr and psl-sl count in-place during the addition or removal of source filters...

PT-2026-99110

Zoraxy versions 3.2.3 through 3.3.4 fail to properly parse IPv6 addresses in the RemoteAddr field when setting forwarded headers. Unauthenticated attackers connecting over IPv6 can supply arbitrary X-Forwarded-For values to spoof their source IP and bypass authorization provider IP-based access...

ROS-20260925-73-0054

The vulnerability in the kernel-lt is related to the failure to release resources after their useful period has ended. Exploiting this vulnerability allows a remote attacker to cause service interruptions through specially created IPv6 traffic...

ROS-20260925-73-0033

The vulnerability in the kernel-lt is related to the failure to release resources after their useful period has ended. Exploiting this vulnerability allows a remote attacker to cause service interruptions through specially created IPv6 traffic...

CVE-2026-97974

In the Linux kernel, the following vulnerability has been resolved: ipv6: null-check fib6node before accessing in ip6delrtsiblings syzbot reported a null-ptr-deref in ip6delrtsiblings 0. The stack trace hinted towards a null dereference of rt-fib6node when fn-leaf is accessed in ip6delrtsiblings...

CVE-2026-98101

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: use copy-on-write RCU updates in ip6mcsource pmc-sflist is read locklessly under rcureadlock by inet6mccheck during packet reception in the UDP and RAW multicast receive paths. ip6mcsource mutated psl-sladdr and...

ROS-20260925-73-0063

The vulnerability in the kernel-lt is related to the failure to release resources after their useful period has ended. Exploiting this vulnerability allows a remote attacker to cause service interruptions through specially created IPv6 traffic...

CVE-2026-98099

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: use rcuassignpointer for rcu list updates Several places in net/ipv6/mcast.c update RCU-protected lists np-ipv6mclist, idev-mclist, idev-mctomb using direct pointer assignments instead of rcuassignpointer: 1. In...

CVE-2026-97984: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net: ipv6: Fix UDP length overflow with PMTU discover and big MTU This commit bounds cork-base.fragsize to IP6MAXMTU for UDP sockets to avoid a possible overflow of UDP length that triggers a WARN in udpsetlenshort when setsockop...

CVE-2026-98096: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ipv6: sr: restore network header before routing and forwarding ipv6srhrcv runs with skb-data at the Segment Routing Header SRH while skbnetworkheader points at the IPv6 header. When segmentsleft 0, ipv6srhrcv previously restored...

PT-2026-98759

Name of the Vulnerable Software and Affected Versions Linux Kernel affected versions not specified Description An issue exists in the ipv6 srh rcv function where the network header is not correctly restored before routing and forwarding. When segments left is greater than 0, the function...

CVE-2026-97940

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix fib6 walker UAF on seq stop ipv6routeiteractive treats a walker in FWSU at the table root as already unlinked. fib6delroute can move a still-linked walker into that same state when the current leaf is the last route at...

CVE-2026-98096

In the Linux kernel, the following vulnerability has been resolved: ipv6: sr: restore network header before routing and forwarding ipv6srhrcv runs with skb-data at the Segment Routing Header SRH while skbnetworkheader points at the IPv6 header. When segmentsleft 0, ipv6srhrcv previously restored...

CVE-2026-97984

In the Linux kernel, the following vulnerability has been resolved: net: ipv6: Fix UDP length overflow with PMTU discover and big MTU This commit bounds cork-base.fragsize to IP6MAXMTU for UDP sockets to avoid a possible overflow of UDP length that triggers a WARN in udpsetlenshort when setsockop...

PT-2026-98764

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the IPv6 multicast implementation where the ip6 mc del1 src function improperly handles the removal of source filters. When a filter count reaches zero, the function...

ROS-20260925-73-0022

The vulnerability of the ip6parsetlv function in the net/ipv6/exthdrs.c module of the Linux operating system’s IPv6 kernel implementation is related to the dereferencing of a pointer with an expired validity period. Exploiting this vulnerability could allow an attacker to compromise the...

CVE-2026-91768: Incomplete Comparison with Missing Factors

The IPv6 branch of the FastCGI client access check compares only the first 12 bytes of a 16-byte IPv6 address, so listen.allowedclients matches on a /96 prefix instead of the exact address. An attacker who can source an address sharing the first 96 bits with an allowed one passes the check and...

PT-2026-98648

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 2.6.21 Description An issue exists in the IPv6 implementation where a UDP length overflow can occur when using Path MTU PMTU discovery with an unusually large Maximum Transmission Unit MTU. When the setsockopt IP...