In the Linux kernel, the following vulnerability has been resolved:
bpf: Keep dynamic inner array lookups nullable
An ARRAY_OF_MAPS can use an array created with BPF_F_INNER_MAP as its inner map template. A concrete inner array with a different max_entries value can then replace the template.
After a successful outer map lookup, the verifier represents the resulting map pointer using the inner map template. Const-key lookup nullness elision consequently uses the template max_entries even though the runtime helper uses the concrete inner map max_entries.
Do not elide lookup result nullness for maps marked with BPF_F_INNER_MAP, because the template max_entries does not prove that the key is in bounds for the concrete runtime map.
CVSS Details
- CVSS 3.1 Base Score: 5.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Ubuntu | — | Upgrade linux-image-7.0.0-1011-gcpUpgrade linux-image-7.0.0-1012-aws-64kUpgrade linux-image-aws-7.0Upgrade linux-image-7.0.0-1006-gkeUpgrade linux-image-oem-26.04bUpgrade linux-image-gkeUpgrade linux-image-realtime-7.0Upgrade linux-image-virtualUpgrade linux-image-oracleUpgrade linux-image-7.0.0-1014-azureUpgrade linux-image-gke-64k-hwe-26.04Upgrade linux-image-7.0.0-31-realtimeUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-7.0.0-1013-ibmUpgrade linux-image-azure-7.0Upgrade linux-image-virtual-7.0Upgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-generic-hwe-26.04Upgrade linux-image-oracle-64kUpgrade linux-image-7.0.0-31-generic-64kUpgrade linux-image-gcp-64k-7.0Upgrade linux-image-7.0.0-2018-nvidia-bosUpgrade linux-image-7.0.0-1013-oemUpgrade linux-image-gke-7.0Upgrade linux-image-7.0.0-2018-nvidia-bos-64kUpgrade linux-image-raspi-realtime-7.0Upgrade linux-image-7.0.0-1011-gcp-64kUpgrade linux-image-realtime-hwe-26.04Upgrade linux-image-7.0.0-1019-raspiUpgrade linux-image-7.0.0-1019-raspi-realtimeUpgrade linux-image-aws-64kUpgrade linux-image-raspi-realtimeUpgrade linux-image-nvidia-64kUpgrade linux-image-realtime-64k-hwe-26.04Upgrade linux-image-oem-7.0Upgrade linux-image-nvidia-64k-hwe-26.04Upgrade linux-image-ibm-7.0Upgrade linux-image-ibmUpgrade linux-image-generic-64k-7.0Upgrade linux-image-generic-64kUpgrade linux-image-genericUpgrade linux-image-gke-64kUpgrade linux-image-gcp-64kUpgrade linux-image-raspiUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-azureUpgrade linux-image-7.0.0-1018-nvidiaUpgrade linux-image-7.0.0-1011-oracleUpgrade linux-image-7.0.0-1006-gke-64kUpgrade linux-image-oracle-7.0Upgrade linux-image-oem-26.04Upgrade linux-image-nvidia-bos-64k-7.0Upgrade linux-image-nvidia-7.0Upgrade linux-image-7.0.0-1018-nvidia-64kUpgrade linux-image-virtual-hwe-26.04Upgrade linux-image-gke-64k-7.0Upgrade linux-image-nvidia-bos-7.0Upgrade linux-image-nvidiaUpgrade linux-image-7.0.0-31-realtime-64kUpgrade linux-image-nvidia-hwe-26.04Upgrade linux-image-generic-64k-hwe-26.04Upgrade linux-image-nvidia-64k-7.0Upgrade linux-image-7.0.0-1012-awsUpgrade linux-image-azure-lts-26.04Upgrade linux-image-nvidia-bos-64kUpgrade linux-image-nvidia-bosUpgrade linux-image-gcpUpgrade linux-image-7.0.0-31-genericUpgrade linux-image-oem-26.04aUpgrade linux-image-gcp-7.0Upgrade linux-image-gke-hwe-26.04Upgrade linux-image-realtime-64k-7.0Upgrade linux-image-awsUpgrade linux-image-realtime-64kUpgrade linux-image-7.0.0-1011-oracle-64kUpgrade linux-image-realtimeUpgrade linux-image-aws-64k-7.0Upgrade linux-image-raspi-7.0Upgrade linux-image-oracle-64k-7.0Upgrade linux-image-generic-7.0 | Sep 14, 2026 | Sep 7, 2026 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub