CVE-2026-64116 ipv6: ioam: add NULL check for idev in ipv6_hop_ioam()

In the Linux kernel, the following vulnerability has been resolved: ipv6: ioam: add NULL check for idev in ipv6hopioam Reported by Sashiko: The function ipv6hopioam accesses in6devgetskb-dev-cnf.ioam6enabled without validating the returned idev pointer. Because addrconfifdown can concurrently cle...

PT-2026-61433

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A NULL pointer dereference occurs in the Linux kernel when processing an IOAM Hop-by-Hop option. The function ipv6 hop ioam accesses in6 dev getskb-dev-cnf.ioam6 enabled without validati...

SUSE CVE-2026-52981

In the Linux kernel, the following vulnerability has been resolved: neigh: let neighxmit take skb ownership neighxmit always releases the skb, except when no neighbour table is found. But even the first added user of neighxmit mpls relied on neighxmit to release the skb or queue it for tx. sashik...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: calipso: fixed a memory leak in netlblcalipsoaddpass If IPv6 support is disabled at boot ipv6.disable=1, the calipsoinit - netlblcalipsoopsregister function is not called, and the netlblcalipsoopsget function always returns NULL...

CLSA-2026-1778769697 kernel: Fix of 31 CVEs

net: skbuff: propagate shared-frag marker through pskbcopy - HID: ignore non-functional sensor in HP 5MP Camera CVE-2025-21992 - net: fix crash when config small gsomaxsize/gsoipv4maxsize CVE-2024-50258 - ipv4: iptunnel: Fix suspicious RCU usage warning in iptunnelinitflow CVE-2024-53042 - ALSA:...

CVE-2026-43441

In the Linux kernel, the following vulnerability has been resolved: net: bonding: Fix ndtbl NULL dereference when IPv6 is disabled When booting with the 'ipv6.disable=1' parameter, the ndtbl is never initialized because inet6init exits before ndiscinit is called which initializes it. If bonding...

CVE-2026-43441

CVE-2026-43441 relates to the Linux kernel bonding code. When IPv6 is disabled, receiving an IPv6 NS/NA on a bonded slave could reach bond_validate_na() and trigger a NULL pointer dereference in ipv6_chk_addr(). The fixes provided in the sources implement a guard: check ipv6_mod_enabled() (or ipv...

CVE-2026-43441 net: bonding: Fix nd_tbl NULL dereference when IPv6 is disabled

In the Linux kernel, the following vulnerability has been resolved: net: bonding: Fix ndtbl NULL dereference when IPv6 is disabled When booting with the 'ipv6.disable=1' parameter, the ndtbl is never initialized because inet6init exits before ndiscinit is called which initializes it. If bonding...

Linux Distros Unpatched Vulnerability : CVE-2026-43441

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: bonding: Fix ndtbl NULL dereference when IPv6 is disabled When booting with the 'ipv6.disable=1' parameter, the ndtbl is never initialized because inet6ini...

SUSE SLES15 : Security update for the Linux Kernel (SUSE-SU-2026:1643-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1643-1 advisory. The SUSE Linux Enterprise 15 SP6 kernel was updated to fix various security issues The following security issues were fixed: -...

CVE-2026-23439

In the Linux kernel, the following vulnerability has been resolved: udptunnel: fix NULL deref caused by udpsockcreate6 when CONFIGIPV6=n When CONFIGIPV6 is disabled, the udpsockcreate6 function returns 0 success without actually creating a socket. Callers such as foucreate then proceed to...

UBUNTU-CVE-2026-23439

In the Linux kernel, the following vulnerability has been resolved: udptunnel: fix NULL deref caused by udpsockcreate6 when CONFIGIPV6=n When CONFIGIPV6 is disabled, the udpsockcreate6 function returns 0 success without actually creating a socket. Callers such as foucreate then proceed to...

CVE-2026-23439

In the Linux kernel, the following vulnerability has been resolved: udptunnel: fix NULL deref caused by udpsockcreate6 when CONFIGIPV6=n When CONFIGIPV6 is disabled, the udpsockcreate6 function returns 0 success without actually creating a socket. Callers such as foucreate then proceed to...

CVE-2026-23439

The CVE-2026-23439 entry describes a Linux kernel issue in udp_tunnel where, if CONFIG_IPV6 is disabled, udp_sock_create6() can return success without creating a socket. This leads to a NULL pointer dereference when callers like fou_create() dereference the uninitialized socket pointer, causing a...

PT-2026-30134

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw in the udp tunnel functionality. When the IPv6 configuration CONFIG IPV6 is disabled, the udp sock create6 function may return a success status without...

SUSE CVE-2026-23381

In the Linux kernel, the following vulnerability has been resolved: net: bridge: fix ndtbl NULL dereference when IPv6 is disabled When booting with the 'ipv6.disable=1' parameter, the ndtbl is never initialized because inet6init exits before ndiscinit is called which initializes it. Then, if...

EUVD-2026-15374

In the Linux kernel, the following vulnerability has been resolved: net: bridge: fix ndtbl NULL dereference when IPv6 is disabled When booting with the 'ipv6.disable=1' parameter, the ndtbl is never initialized because inet6init exits before ndiscinit is called which initializes it. Then, if...

EUVD-2026-15224

In the Linux kernel, the following vulnerability has been resolved: net: vxlan: fix ndtbl NULL dereference when IPv6 is disabled When booting with the 'ipv6.disable=1' parameter, the ndtbl is never initialized because inet6init exits before ndiscinit is called which initializes it. If an IPv6...

CVE-2026-23293

In the Linux kernel, the following vulnerability has been resolved: net: vxlan: fix ndtbl NULL dereference when IPv6 is disabled When booting with the 'ipv6.disable=1' parameter, the ndtbl is never initialized because inet6init exits before ndiscinit is called which initializes it. If an IPv6...

UBUNTU-CVE-2026-23381

In the Linux kernel, the following vulnerability has been resolved: net: bridge: fix ndtbl NULL dereference when IPv6 is disabled When booting with the 'ipv6.disable=1' parameter, the ndtbl is never initialized because inet6init exits before ndiscinit is called which initializes it. Then, if...