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Vulnerability · Published Sep 17, 2026 · Assigned by Linux

CVE-2026-90105vxlan: fix reading neigh ha

Unrated

In plain English

A security flaw in Linux from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 12% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS )–Not rated
Exploit odds (30 days)0.2%top 88.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

In the Linux kernel, the following vulnerability has been resolved: vxlan: fix reading neigh ha Currently arp/neigh_reduce read neigh ha directly which can lead to partial reads while the neigh is being updated. Use neigh_ha_snapshot to take a stable snapshot of the address similar to route_shortcircuit which already does the right thing.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linuxno fix listedDEBIAN-CVE-2026-90105
Debian:13linux6.12.115-2DEBIAN-CVE-2026-90105
Debian:14linux7.2.6-1DEBIAN-CVE-2026-90105
Ubuntu:22.04:LTSlinuxno fix listedUBUNTU-CVE-2026-90105
Ubuntu:24.04:LTSlinuxno fix listedUBUNTU-CVE-2026-90105
Ubuntu:26.04:LTSlinux7.0.0-42.42UBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-awsno fix listedUBUNTU-CVE-2026-90105
Ubuntu:24.04:LTSlinux-awsno fix listedUBUNTU-CVE-2026-90105
Ubuntu:26.04:LTSlinux-aws7.0.0-1016.17UBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2026-90105
Ubuntu:24.04:LTSlinux-aws-6.14no fix listedUBUNTU-CVE-2026-90105
Ubuntu:24.04:LTSlinux-aws-6.17no fix listedUBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-aws-6.8no fix listedUBUNTU-CVE-2026-90105
Ubuntu:24.04:LTSlinux-aws-7.0no fix listedUBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-azureno fix listedUBUNTU-CVE-2026-90105
Ubuntu:24.04:LTSlinux-azureno fix listedUBUNTU-CVE-2026-90105
Ubuntu:26.04:LTSlinux-azureno fix listedUBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2026-90105
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2026-90105
Ubuntu:24.04:LTSlinux-azure-6.14no fix listedUBUNTU-CVE-2026-90105
Ubuntu:24.04:LTSlinux-azure-6.17no fix listedUBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-azure-6.8no fix listedUBUNTU-CVE-2026-90105
Ubuntu:24.04:LTSlinux-azure-7.0no fix listedUBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2026-90105
Ubuntu:24.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2026-90105
Ubuntu:26.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2026-90105
Ubuntu:24.04:LTSlinux-azure-fde-6.14no fix listedUBUNTU-CVE-2026-90105
Ubuntu:24.04:LTSlinux-azure-fde-6.17no fix listedUBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-azure-fde-6.8no fix listedUBUNTU-CVE-2026-90105
Ubuntu:24.04:LTSlinux-azure-fde-7.0no fix listedUBUNTU-CVE-2026-90105
Ubuntu:24.04:LTSlinux-azure-nvidiano fix listedUBUNTU-CVE-2026-90105
Ubuntu:24.04:LTSlinux-azure-nvidia-6.14no fix listedUBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-gcpno fix listedUBUNTU-CVE-2026-90105
Ubuntu:24.04:LTSlinux-gcpno fix listedUBUNTU-CVE-2026-90105
Ubuntu:26.04:LTSlinux-gcp7.0.0-1016.18UBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2026-90105
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2026-90105
Ubuntu:24.04:LTSlinux-gcp-6.14no fix listedUBUNTU-CVE-2026-90105
Ubuntu:24.04:LTSlinux-gcp-6.17no fix listedUBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-gcp-6.8no fix listedUBUNTU-CVE-2026-90105
Ubuntu:24.04:LTSlinux-gcp-7.0no fix listedUBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2026-90105
Ubuntu:24.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2026-90105
Ubuntu:26.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-gkeopno fix listedUBUNTU-CVE-2026-90105
Ubuntu:24.04:LTSlinux-gkeopno fix listedUBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2026-90105
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2026-90105
Ubuntu:24.04:LTSlinux-hwe-6.14no fix listedUBUNTU-CVE-2026-90105
Ubuntu:24.04:LTSlinux-hwe-6.17no fix listedUBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-hwe-6.8no fix listedUBUNTU-CVE-2026-90105
Ubuntu:24.04:LTSlinux-hwe-7.07.0.0-42.42~24.04.1UBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-ibmno fix listedUBUNTU-CVE-2026-90105
Ubuntu:24.04:LTSlinux-ibmno fix listedUBUNTU-CVE-2026-90105
Ubuntu:26.04:LTSlinux-ibm7.0.0-1017.17UBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-ibm-6.8no fix listedUBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-intel-iotgno fix listedUBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-kvmno fix listedUBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-lowlatencyno fix listedUBUNTU-CVE-2026-90105
Ubuntu:24.04:LTSlinux-lowlatencyno fix listedUBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2026-90105
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.8no fix listedUBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2026-90105
Ubuntu:24.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2026-90105
Ubuntu:26.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2026-90105
Ubuntu:24.04:LTSlinux-nvidia-6.11no fix listedUBUNTU-CVE-2026-90105
Ubuntu:24.04:LTSlinux-nvidia-6.17no fix listedUBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-nvidia-6.8no fix listedUBUNTU-CVE-2026-90105
Ubuntu:24.04:LTSlinux-nvidia-7.0no fix listedUBUNTU-CVE-2026-90105
Ubuntu:26.04:LTSlinux-nvidia-bosno fix listedUBUNTU-CVE-2026-90105
Ubuntu:24.04:LTSlinux-nvidia-lowlatencyno fix listedUBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-nvidia-tegrano fix listedUBUNTU-CVE-2026-90105
Ubuntu:24.04:LTSlinux-nvidia-tegrano fix listedUBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-nvidia-tegra-igxno fix listedUBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2026-90105
Ubuntu:24.04:LTSlinux-oem-6.11no fix listedUBUNTU-CVE-2026-90105
Ubuntu:24.04:LTSlinux-oem-6.14no fix listedUBUNTU-CVE-2026-90105
Ubuntu:24.04:LTSlinux-oem-6.17no fix listedUBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2026-90105
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2026-90105
Ubuntu:26.04:LTSlinux-oem-7.07.0.0-1017.17UBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-oracleno fix listedUBUNTU-CVE-2026-90105
Ubuntu:24.04:LTSlinux-oracleno fix listedUBUNTU-CVE-2026-90105
Ubuntu:26.04:LTSlinux-oracle7.0.0-1015.16UBUNTU-CVE-2026-90105
Ubuntu:24.04:LTSlinux-oracle-6.14no fix listedUBUNTU-CVE-2026-90105
Ubuntu:24.04:LTSlinux-oracle-6.17no fix listedUBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-oracle-6.8no fix listedUBUNTU-CVE-2026-90105
Ubuntu:24.04:LTSlinux-oracle-7.0no fix listedUBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-raspino fix listedUBUNTU-CVE-2026-90105
Ubuntu:24.04:LTSlinux-raspino fix listedUBUNTU-CVE-2026-90105
Ubuntu:26.04:LTSlinux-raspino fix listedUBUNTU-CVE-2026-90105
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2026-90105
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2026-90105
Ubuntu:26.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2026-90105
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2026-90105
Ubuntu:26.04:LTSlinux-riscv7.0.0-42.42.1UBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2026-90105
Ubuntu:24.04:LTSlinux-riscv-6.14no fix listedUBUNTU-CVE-2026-90105
Ubuntu:24.04:LTSlinux-riscv-6.17no fix listedUBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-riscv-6.8no fix listedUBUNTU-CVE-2026-90105
Ubuntu:24.04:LTSlinux-riscv-7.07.0.0-42.42.1~24.04.1UBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2026-90105
Ubuntu:24.04:LTSlinux-vmwareno fix listedUBUNTU-CVE-2026-90105
Ubuntu:24.04:LTSlinux-xilinxno fix listedUBUNTU-CVE-2026-90105
Ubuntu:22.04:LTSlinux-xilinx-zynqmpno fix listedUBUNTU-CVE-2026-90105

Affected products (as reported)

VendorProductVersions
Linux Linux e4f67addf158f98f8197e08974966b18480dc751 – before a1e86c5b4463178751a9fd3f0a3876a602dc360ce4f67addf158f98f8197e08974966b18480dc751 – before 6093baf2b2c57e7da33bacd2223570a78b416d89e4f67addf158f98f8197e08974966b18480dc751 – before 751cb520f9e47538b7223df133806a29fc41f54fe4f67addf158f98f8197e08974966b18480dc751 – before f43ef9a3f9c121472a0754c9e9bff13317ace0f7e4f67addf158f98f8197e08974966b18480dc751 – before ecc8bac11a101e5f6989a14b92e17b51f9761630e4f67addf158f98f8197e08974966b18480dc751 – before b824059a673b2283e78c7aae2c7d257aad7f0e1d
Linux Linux 3.8

References