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...

EUVD-2026-86929

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...

EUVD-2026-86638

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...

ROS-20260923-73-0005

The vulnerability of the icmpv6rcv function in the net/ipv6/icmp.c module of the Linux operating system is related to the use of memory after it is freed. Exploiting this vulnerability could allow a remote attacker to compromise the confidentiality, integrity, and accessibility of the protected...

ROS-20260923-73-0054

The vulnerability of the ipv6findtlv function in the net/ipv6/exthdrscore.c module of the Linux kernel involves reading beyond the buffer boundaries. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility of the protected information...

ROS-20260923-73-0024

The vulnerability of the ip6erspanchangelink function in the net/ipv6/ip6gre.c module of the Linux kernel is related to the use of a name with an incorrect reference. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility of the...

ROS-20260918-73-0028

The vulnerability of the ip4ip6err function in the net/ipv6/ip6tunnel.c module of the Linux kernel is related to buffer out-of-buffer writing. Exploiting this vulnerability could allow a remote attacker to execute arbitrary code...

The vulnerability of the ip6ip6_err() function in the net/ipv6/ip6_tunnel.c module of the Linux operating system’s IPv6 kernel implementation allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the ip6ip6err function in the net/ipv6/ip6tunnel.c module of the Linux operating system’s IPv6 kernel implementation is related to buffer out-of-buffer writing. Exploiting this vulnerability could allow a remote attacker to compromise the confidentiality, integrity, and...

CVE-2026-89790: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ipv6: avoid divide by zero in rt6multipathrebalance rt6multipathrebalance calculates the total eligible nexthop weight in one pass and programs upper bounds in a second pass. Since RTMNEWROUTE is RTNL-free, a concurrent...

ROS-20260916-73-0002

The vulnerability of the net/ipv6/ip6output.c component in the Linux operating system is related to errors in processing parameter lengths. Exploiting this vulnerability can allow an attacker to cause a service failure...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15

A NULL pointer dereference flaw was discovered in the rawv6pushpendingframes function in net/ipv6/raw.c within the network subcomponent of the Linux kernel. This flaw can cause the system to crash...

The vulnerability of the ip6_parse_tlv() function in the net/ipv6/exthdrs.c module of the Linux operating system’s IPv6 kernel implementation allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

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...

The vulnerability of the ipip6_tunnel_xmit() function in the net/ipv6/sit.c module of the Linux kernel’s IPv6 implementation allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the ipip6tunnelxmit function in the net/ipv6/sit.c module of the Linux kernel’s IPv6 implementation is related to the dereferencing of a pointer with an expired validity period. Exploiting this vulnerability could allow a remote attacker to compromise the confidentiality,...

The vulnerability of the xfrm6_get_saddr() function in the net/ipv6/xfrm6_policy.c module of the Linux operating system’s IPv6 kernel implementation allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the xfrm6getsaddr function in the net/ipv6/xfrm6policy.c module of the Linux operating system’s IPv6 kernel implementation is related to the use of uninitialized variables. Exploiting this vulnerability could allow a remote attacker to compromise the confidentiality, integrit...

The vulnerability of the seg6_build_state() function in the net/ipv6/seg6_iptunnel.c module of the Linux operating system allows a hacker to trigger a service failure.

The vulnerability of the seg6buildstate function in the net/ipv6/seg6iptunnel.c module of the Linux kernel is related to synchronization errors. Exploiting this vulnerability can allow an attacker to cause a service failure...

The vulnerability of the `ip6_err_gen_icmpv6_unreach()` function in the `net/ipv6/icmp.c` module of the Linux operating system allows a attacker to gain unauthorized access to protected information or cause service failures.

The vulnerability of the ip6errgenicmpv6unreach function in the net/ipv6/icmp.c module of the Linux operating system is related to access to resources through incompatible types. Exploiting this vulnerability can allow an attacker to gain unauthorized access to protected information or cause...

CVE-2026-46260: Out-of-bounds Read

In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix out-of-bound access in fib6addrt2node. syzbot reported out-of-bound read in fib6addrt2node. 0 When IPv6 route is created with RTANHID, struct fib6info does not have the trailing struct fib6nh. The cited commit started t...

CVE-2026-45846: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: bareudp: fix NULL pointer dereference in bareudpfillmetadatadst bareudpfillmetadatadst passes bareudp-sock to udptunnel6dstlookup in the IPv6 path without a NULL check. The socket is only created in bareudpopen and NULLed in...

CVE-2026-43341: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net/ipv6: ioam6: prevent schema length wraparound in trace fill ioam6filltracedata stores the schema contribution to the trace length in a u8. With bit 22 enabled and the largest schema payload, sclen becomes 1 + 1020 / 4, wraps...

CVE-2026-43040: Missing Initialization of Resource

In the Linux kernel, the following vulnerability has been resolved: net: ipv6: ndisc: fix ndiscrauseropt to initialize nduseroptpadX fields to zero to prevent an info-leak When processing Router Advertisements with user options the kernel builds an RTMNEWNDUSEROPT netlink message. The nduseroptms...