CVE-2026-23459 ip_tunnel: adapt iptunnel_xmit_stats() to NETDEV_PCPU_STAT_DSTATS

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...

PT-2026-30153

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contained an issue within the ip tunnel module where the iptunnel xmit stats function incorrectly assumed tunnels only used NETDEV PCPU STAT TSTATS. This occurred becaus...

SUSE CVE-2026-23276

In the Linux kernel, the following vulnerability has been resolved: net: add xmit recursion limit to tunnel xmit functions Tunnel xmit functions iptunnelxmit, ip6tunnelxmit lack their own recursion limit. When a bond device in broadcast mode has GRE tap interfaces as slaves, and those GRE tunnels...

kernel: netfilter: nft_tunnel: fix geneve_opt type confusion addition

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfttunnel: fix geneveopt type confusion addition When handling multiple NFTATUNNELKEYOPTSGENEVE attributes, the parsing logic should place every geneveopt structure one by one compactly. Hence, when deciding the next...

Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 9.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

RHEL 9 : kernel (RHSA-2026:4011)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:4011 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: x86/tdx: Fix in-kernel MMIO...

SUSE-SU-2026:0290-1 Security update for openvswitch3

This update for openvswitch3 fixes the following issues: Update to v3.1.7: - CVE-2023-3966: openvswitch, openvswitch3: Invalid memory access in Geneve with HW offload bsc1219465. - CVE-2024-2182: openvswitch: ov: insufficient validation of incoming BFD packets may lead to denial of service...

Security update for openvswitch

This update for openvswitch fixes the following issues: Update to v3.1.7: CVE-2023-3966: openvswitch, openvswitch3: Invalid memory access in Geneve with HW offload bsc1219465. CVE-2024-2182: openvswitch: ov: insufficient validation of incoming BFD packets may lead to denial of service bsc1255435...

Azure Linux 3.0 Security Update: kernel (CVE-2025-21858)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-21858 advisory. - In the Linux kernel, the following vulnerability has been resolved: geneve: Fix use-after-free in...

Azure Linux 3.0 Security Update: kernel (CVE-2025-22055)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-22055 advisory. - In the Linux kernel, the following vulnerability has been resolved: net: fix geneveopt length integer overfl...

MiracleLinux 7 : kernel-3.10.0-1160.99.1.el7 (AXSA:2023-6384:24)

The remote MiracleLinux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2023-6384:24 advisory. kernel: clsflower: out-of-bounds write in flsetgeneveopt CVE-2023-35788 hw: amd: Cross-Process Information Leak CVE-2023-20593 Tenable has extracted...

MiracleLinux 7 : kernel-3.10.0-1160.21.1.el7 (AXSA:2021-1625:06)

The remote MiracleLinux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2021-1625:06 advisory. kernel: Local buffer overflow in ctnetlinkparsetuplefilter in net/netfilter/nfconntracknetlink.c CVE-2020-25211 kernel: SCSI target LIO write to any...

MiracleLinux 8 : kernel-4.18.0-477.27.1.el8_8 (AXSA:2023-6444:26)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2023-6444:26 advisory. kernel: ipvlan: out-of-bounds write caused by unclear skb-cb CVE-2023-3090 kernel: UAF in nftables when nftsetlookupglobal triggered after handling...

ROS-20260120-7301

A vulnerability in the genevefinddev function of the drivers/net/geneve.c component of the Linux kernel is related to memory usage after it has been freed. Exploitation of the vulnerability may allow an attacker to gain access to confidential data, violate its integrity, and cause a denial of...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-004415)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004415 advisory. A flaw was found in the Linux kernel in versions before 5.9-rc7. Traffic between two Geneve endpoints may be unencrypted when IPsec is configured to encrypt traffic...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-004409)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004409 advisory. A flaw was found in the Linux kernel's implementation of some networking protocols in IPsec, such as VXLAN and GENEVE tunnels over IPv6. When an encrypted tunnel is...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003854)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003854 advisory. A flaw was found in the Linux kernel's implementation of some networking protocols in IPsec, such as VXLAN and GENEVE tunnels over IPv6. When an encrypted tunnel is...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-004177)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004177 advisory. A flaw was found in the Linux kernel in versions before 5.9-rc7. Traffic between two Geneve endpoints may be unencrypted when IPsec is configured to encrypt traffic...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-000341)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000341 advisory. A flaw was found in the Linux kernel in versions before 5.9-rc7. Traffic between two Geneve endpoints may be unencrypted when IPsec is configured to encrypt traffic...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-992888)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992888 advisory. In the Linux kernel, the following vulnerability has been resolved: net: fix geneveopt length integer overflow struct geneveopt uses 5 bit length for each single...