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Vulnerability · Published Oct 23, 2026 · Assigned by Linux

CVE-2026-98966bonding: fix the program leak when XDP is replaced

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 5% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS )–Not rated
Exploit odds (30 days)0.2%top 95.2% 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: bonding: fix the program leak when XDP is replaced We need to release the reference on the old BPF prog, whether we are going to no-prog, or replacing the prog with another. Spotted by AI while running tests for the propagation series (leaked programs were accumulating). Selftest will come in the net-next series to avoid conflicts.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linuxno fix listedDEBIAN-CVE-2026-98966
Debian:13linuxno fix listedDEBIAN-CVE-2026-98966
Debian:14linux7.2.11-1DEBIAN-CVE-2026-98966
Ubuntu:22.04:LTSlinuxno fix listedUBUNTU-CVE-2026-98966
Ubuntu:24.04:LTSlinuxno fix listedUBUNTU-CVE-2026-98966
Ubuntu:26.04:LTSlinuxno fix listedUBUNTU-CVE-2026-98966
Ubuntu:26.10linux7.3.0-10.10UBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-awsno fix listedUBUNTU-CVE-2026-98966
Ubuntu:24.04:LTSlinux-awsno fix listedUBUNTU-CVE-2026-98966
Ubuntu:26.04:LTSlinux-awsno fix listedUBUNTU-CVE-2026-98966
Ubuntu:26.10linux-aws7.3.0-1004.4UBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2026-98966
Ubuntu:24.04:LTSlinux-aws-6.14no fix listedUBUNTU-CVE-2026-98966
Ubuntu:24.04:LTSlinux-aws-6.17no fix listedUBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-aws-6.8no fix listedUBUNTU-CVE-2026-98966
Ubuntu:24.04:LTSlinux-aws-7.0no fix listedUBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-azureno fix listedUBUNTU-CVE-2026-98966
Ubuntu:24.04:LTSlinux-azureno fix listedUBUNTU-CVE-2026-98966
Ubuntu:26.04:LTSlinux-azureno fix listedUBUNTU-CVE-2026-98966
Ubuntu:26.10linux-azureno fix listedUBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2026-98966
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2026-98966
Ubuntu:24.04:LTSlinux-azure-6.14no fix listedUBUNTU-CVE-2026-98966
Ubuntu:24.04:LTSlinux-azure-6.17no fix listedUBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-azure-6.8no fix listedUBUNTU-CVE-2026-98966
Ubuntu:24.04:LTSlinux-azure-7.0no fix listedUBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2026-98966
Ubuntu:24.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2026-98966
Ubuntu:26.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2026-98966
Ubuntu:26.10linux-azure-fdeno fix listedUBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2026-98966
Ubuntu:24.04:LTSlinux-azure-fde-6.14no fix listedUBUNTU-CVE-2026-98966
Ubuntu:24.04:LTSlinux-azure-fde-6.17no fix listedUBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-azure-fde-6.8no fix listedUBUNTU-CVE-2026-98966
Ubuntu:24.04:LTSlinux-azure-fde-7.0no fix listedUBUNTU-CVE-2026-98966
Ubuntu:24.04:LTSlinux-azure-nvidiano fix listedUBUNTU-CVE-2026-98966
Ubuntu:24.04:LTSlinux-azure-nvidia-6.14no fix listedUBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-gcpno fix listedUBUNTU-CVE-2026-98966
Ubuntu:24.04:LTSlinux-gcpno fix listedUBUNTU-CVE-2026-98966
Ubuntu:26.04:LTSlinux-gcpno fix listedUBUNTU-CVE-2026-98966
Ubuntu:26.10linux-gcp7.3.0-1004.4UBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2026-98966
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2026-98966
Ubuntu:24.04:LTSlinux-gcp-6.14no fix listedUBUNTU-CVE-2026-98966
Ubuntu:24.04:LTSlinux-gcp-6.17no fix listedUBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-gcp-6.8no fix listedUBUNTU-CVE-2026-98966
Ubuntu:24.04:LTSlinux-gcp-7.0no fix listedUBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2026-98966
Ubuntu:24.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2026-98966
Ubuntu:26.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-gkeopno fix listedUBUNTU-CVE-2026-98966
Ubuntu:24.04:LTSlinux-gkeopno fix listedUBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2026-98966
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2026-98966
Ubuntu:24.04:LTSlinux-hwe-6.14no fix listedUBUNTU-CVE-2026-98966
Ubuntu:24.04:LTSlinux-hwe-6.17no fix listedUBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-hwe-6.8no fix listedUBUNTU-CVE-2026-98966
Ubuntu:24.04:LTSlinux-hwe-7.0no fix listedUBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-ibmno fix listedUBUNTU-CVE-2026-98966
Ubuntu:24.04:LTSlinux-ibmno fix listedUBUNTU-CVE-2026-98966
Ubuntu:26.04:LTSlinux-ibmno fix listedUBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-ibm-6.8no fix listedUBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-intel-iotgno fix listedUBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-kvmno fix listedUBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-lowlatencyno fix listedUBUNTU-CVE-2026-98966
Ubuntu:24.04:LTSlinux-lowlatencyno fix listedUBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2026-98966
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.8no fix listedUBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2026-98966
Ubuntu:24.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2026-98966
Ubuntu:26.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2026-98966
Ubuntu:24.04:LTSlinux-nvidia-6.11no fix listedUBUNTU-CVE-2026-98966
Ubuntu:24.04:LTSlinux-nvidia-6.17no fix listedUBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-nvidia-6.8no fix listedUBUNTU-CVE-2026-98966
Ubuntu:24.04:LTSlinux-nvidia-7.0no fix listedUBUNTU-CVE-2026-98966
Ubuntu:26.04:LTSlinux-nvidia-bosno fix listedUBUNTU-CVE-2026-98966
Ubuntu:24.04:LTSlinux-nvidia-lowlatencyno fix listedUBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-nvidia-tegrano fix listedUBUNTU-CVE-2026-98966
Ubuntu:24.04:LTSlinux-nvidia-tegrano fix listedUBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-nvidia-tegra-igxno fix listedUBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2026-98966
Ubuntu:24.04:LTSlinux-oem-6.11no fix listedUBUNTU-CVE-2026-98966
Ubuntu:24.04:LTSlinux-oem-6.14no fix listedUBUNTU-CVE-2026-98966
Ubuntu:24.04:LTSlinux-oem-6.17no fix listedUBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2026-98966
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2026-98966
Ubuntu:26.04:LTSlinux-oem-7.0no fix listedUBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-oracleno fix listedUBUNTU-CVE-2026-98966
Ubuntu:24.04:LTSlinux-oracleno fix listedUBUNTU-CVE-2026-98966
Ubuntu:26.04:LTSlinux-oracleno fix listedUBUNTU-CVE-2026-98966
Ubuntu:26.10linux-oracle7.3.0-1004.4UBUNTU-CVE-2026-98966
Ubuntu:24.04:LTSlinux-oracle-6.14no fix listedUBUNTU-CVE-2026-98966
Ubuntu:24.04:LTSlinux-oracle-6.17no fix listedUBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-oracle-6.8no fix listedUBUNTU-CVE-2026-98966
Ubuntu:24.04:LTSlinux-oracle-7.0no fix listedUBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-raspino fix listedUBUNTU-CVE-2026-98966
Ubuntu:24.04:LTSlinux-raspino fix listedUBUNTU-CVE-2026-98966
Ubuntu:26.04:LTSlinux-raspino fix listedUBUNTU-CVE-2026-98966
Ubuntu:26.10linux-raspi7.3.0-1004.4UBUNTU-CVE-2026-98966
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2026-98966
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2026-98966
Ubuntu:26.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2026-98966
Ubuntu:26.10linux-realtime7.3.0-10.10.1UBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2026-98966
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2026-98966
Ubuntu:26.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2026-98966
Ubuntu:26.10linux-riscv7.3.0-10.10.1UBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2026-98966
Ubuntu:24.04:LTSlinux-riscv-6.14no fix listedUBUNTU-CVE-2026-98966
Ubuntu:24.04:LTSlinux-riscv-6.17no fix listedUBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-riscv-6.8no fix listedUBUNTU-CVE-2026-98966
Ubuntu:24.04:LTSlinux-riscv-7.0no fix listedUBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2026-98966
Ubuntu:24.04:LTSlinux-vmwareno fix listedUBUNTU-CVE-2026-98966
Ubuntu:24.04:LTSlinux-xilinxno fix listedUBUNTU-CVE-2026-98966
Ubuntu:22.04:LTSlinux-xilinx-zynqmpno fix listedUBUNTU-CVE-2026-98966

Affected products (as reported)

VendorProductVersions
Linux Linux 9e2ee5c7e7c35d195e2aa0692a7241d47a433d1e – before bba6b1b086f9f4ddbfdaba7ea6279dc3abec70c79e2ee5c7e7c35d195e2aa0692a7241d47a433d1e – before 184b5ddf82d45d6f75cc83719a2e453392512bd2
Linux Linux 5.15

References