CVE-2026-98240

The Linux kernel contains a vulnerability in the net: ip_tunnel component where options_len is used to calculate an option pointer before being initialized. This oversight leads to a buffer overflow during a memcpy operation, specifically when processing geneve_opts . This issue can trigger a ker...

EUVD-2026-93168

In the Linux kernel, the following vulnerability has been resolved: net: iptunnel: initialize optionslen before referencing options The following command triggers a kernel panic: ip link add d0 type dummy; ip link set d0 up ip route add 10.30.0.0/16 \ encap ip id 300 geneveopts 4660:66:11223344 d...

Linux Distros Unpatched Vulnerability : CVE-2026-23459

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - iptunnel: adapt iptunnelxmitstats to NETDEVPCPUSTATDSTATS Blamed commits forgot that vxlan/geneve use udptunnel6xmitskb which call iptunnelxmitstats...

AZL-103419 CVE-2026-23459 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: iptunnel: adapt iptunnelxmitstats to NETDEVPCPUSTATDSTATS Blamed commits forgot that vxlan/geneve use udptunnel6xmitskb which call iptunnelxmitstats. iptunnelxmitstats was assuming tunnels were only using NETDEVPCPUSTATTSTATS...

CVE-2026-23459: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: iptunnel: adapt iptunnelxmitstats to NETDEVPCPUSTATDSTATS Blamed commits forgot that vxlan/geneve use udptunnel6xmitskb which call iptunnelxmitstats. iptunnelxmitstats was assuming tunnels were only using NETDEVPCPUSTATTSTATS...

SUSE-SU-2025:20368-1 Security update for kernel-livepatch-MICRO-6-0-RT_Update_2

This update for kernel-livepatch-MICRO-6-0-RTUpdate2 fixes the following issues: - CVE-2024-53042: ipv4: iptunnel: Fix suspicious RCU usage warning in iptunnelinitflow bsc1233678 - CVE-2024-53156: wifi: ath9k: add range check for connrspepid in htcconnectservice bsc1234847 - CVE-2024-50115: KVM:...

Security update for kernel-livepatch-MICRO-6-0-RT_Update_2

This update for kernel-livepatch-MICRO-6-0-RTUpdate2 fixes the following issues: CVE-2024-53042: ipv4: iptunnel: Fix suspicious RCU usage warning in iptunnelinitflow bsc1233678 CVE-2024-53156: wifi: ath9k: add range check for connrspepid in htcconnectservice bsc1234847 CVE-2024-50115: KVM: nSVM:...

Security update for the Linux Kernel RT (Live Patch 1 for SLE 15 SP6)

This update for the Linux Kernel 6.4.0-150600105 fixes several issues. The following security issues were fixed: CVE-2024-53042: ipv4: iptunnel: Fix suspicious RCU usage warning in iptunnelinitflow bsc1233678. CVE-2024-53156: wifi: ath9k: add range check for connrspepid in htcconnectservice...

CVE-2024-53042

In the Linux kernel, the following vulnerability has been resolved: ipv4: iptunnel: Fix suspicious RCU usage warning in iptunnelinitflow There are code paths from which the function is called without holding the RCU read lock, resulting in a suspicious RCU usage warning 1. Fix by using...

DEBIAN-CVE-2024-53042

In the Linux kernel, the following vulnerability has been resolved: ipv4: iptunnel: Fix suspicious RCU usage warning in iptunnelinitflow There are code paths from which the function is called without holding the RCU read lock, resulting in a suspicious RCU usage warning 1. Fix by using...

CVE-2024-53042 ipv4: ip_tunnel: Fix suspicious RCU usage warning in ip_tunnel_init_flow()

In the Linux kernel, the following vulnerability has been resolved: ipv4: iptunnel: Fix suspicious RCU usage warning in iptunnelinitflow There are code paths from which the function is called without holding the RCU read lock, resulting in a suspicious RCU usage warning 1. Fix by using...

CVE-2024-50304 ipv4: ip_tunnel: Fix suspicious RCU usage warning in ip_tunnel_find()

In the Linux kernel, the following vulnerability has been resolved: ipv4: iptunnel: Fix suspicious RCU usage warning in iptunnelfind The per-netns IP tunnel hash table is protected by the RTNL mutex and iptunnelfind is only called from the control path where the mutex is taken. Add a lockdep...

CVE-2024-53042 ipv4: ip_tunnel: Fix suspicious RCU usage warning in ip_tunnel_init_flow()

In the Linux kernel, the following vulnerability has been resolved: ipv4: iptunnel: Fix suspicious RCU usage warning in iptunnelinitflow There are code paths from which the function is called without holding the RCU read lock, resulting in a suspicious RCU usage warning 1. Fix by using...

CVE-2024-53042

CVE-2024-53042 affects the Linux kernel’s ipv4/ip_tunnel code. The issue arises from paths where ip_tunnel_init_flow() is invoked without holding the RCU read lock, triggering a suspicious RCU usage warning. The fix uses l3mdev_master_upper_ifindex_by_index() to acquire the RCU read lock before c...

CVE-2024-53042 ipv4: ip_tunnel: Fix suspicious RCU usage warning in ip_tunnel_init_flow()

In the Linux kernel, the following vulnerability has been resolved: ipv4: iptunnel: Fix suspicious RCU usage warning in iptunnelinitflow There are code paths from which the function is called without holding the RCU read lock, resulting in a suspicious RCU usage warning 1. Fix by using...

CVE-2024-50304 ipv4: ip_tunnel: Fix suspicious RCU usage warning in ip_tunnel_find()

In the Linux kernel, the following vulnerability has been resolved: ipv4: iptunnel: Fix suspicious RCU usage warning in iptunnelfind The per-netns IP tunnel hash table is protected by the RTNL mutex and iptunnelfind is only called from the control path where the mutex is taken. Add a lockdep...

CVE-2024-53042: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ipv4: iptunnel: Fix suspicious RCU usage warning in iptunnelinitflow There are code paths from which the function is called without holding the RCU read lock, resulting in a suspicious RCU usage warning 1. Fix by using...

CVE-2024-50304: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ipv4: iptunnel: Fix suspicious RCU usage warning in iptunnelfind The per-netns IP tunnel hash table is protected by the RTNL mutex and iptunnelfind is only called from the control path where the mutex is taken. Add a lockdep...

The vulnerability of the ip_tunnel component in the Linux operating system’s kernel allows a hacker to gain elevated privileges within the system.

The vulnerability of the iptunnel component in the Linux operating system’s kernel is related to memory management errors after deallocation. Exploiting this vulnerability can allow an attacker to gain elevated privileges within the system...

SUSE-SU-2024:3587-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP5 Azure kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2022-48901: btrfs: do not start relocation until in progress drops are done bsc1229607. - CVE-2022-48911: kabi: add nfqueuegetrefs for kabi compliance...