In the Linux kernel, the following vulnerability has been resolved:
batman-adv: bla: avoid NULL-ptr deref for claim via dropped interface
Without rtnl_lock held, a hardif might be retrieved as primary interface of a meshif, but then (while operating on this interface) getting decoupled from the mesh interface. In this case, the meshif still exists but the pointer from the primary hardif to the meshif is set to NULL.
The mesh_iface must be checked first to be non-NULL before continuing to send an ARP request using meshif.
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 |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Jul 20, 2026 | Jul 20, 2026 |
| Ubuntu | — | Upgrade linux-image-azure-fde-7.0Upgrade linux-image-nvidia-bosUpgrade linux-image-aws-64k-7.0Upgrade linux-image-raspi-realtime-7.0Upgrade linux-image-7.0.0-1015-raspiUpgrade linux-image-7.0.0-1015-raspi-realtimeUpgrade linux-image-aws-7.0Upgrade linux-image-7.0.0-1014-azureUpgrade linux-image-7.0.0-1016-nvidiaUpgrade linux-image-nvidia-bos-64k-7.0Upgrade linux-image-oracleUpgrade linux-image-azure-fdeUpgrade linux-image-7.0.0-1009-azure-fdeUpgrade linux-image-awsUpgrade linux-image-raspi-7.0Upgrade linux-image-7.0.0-2016-nvidia-bos-64kUpgrade linux-image-nvidia-7.0Upgrade linux-image-7.0.0-1008-oracle-64kUpgrade linux-image-gcp-7.0Upgrade linux-image-7.0.0-1011-gcp-64kUpgrade linux-image-7.0.0-1010-azureUpgrade linux-image-oracle-7.0Upgrade linux-image-7.0.0-1010-ibmUpgrade linux-image-nvidia-bos-64kUpgrade linux-image-7.0.0-1009-aws-64kUpgrade linux-image-nvidia-64k-hwe-26.04Upgrade linux-image-azure-7.0Upgrade linux-image-7.0.0-1016-nvidia-64kUpgrade linux-image-7.0.0-1009-awsUpgrade linux-image-raspi-realtimeUpgrade linux-image-nvidiaUpgrade linux-image-7.0.0-2016-nvidia-bosUpgrade linux-image-7.0.0-1008-oracleUpgrade linux-image-oracle-64k-7.0Upgrade linux-image-nvidia-64k-7.0Upgrade linux-image-ibmUpgrade linux-image-nvidia-hwe-26.04Upgrade linux-image-nvidia-64kUpgrade linux-image-raspiUpgrade linux-image-oracle-64kUpgrade linux-image-gcp-64kUpgrade linux-image-gcpUpgrade linux-image-nvidia-bos-7.0Upgrade linux-image-aws-64kUpgrade linux-image-gcp-64k-7.0Upgrade linux-image-azureUpgrade linux-image-7.0.0-1011-gcpUpgrade linux-image-ibm-7.0 | Jul 21, 2026 | Jul 20, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jul 27, 2026 | Jul 19, 2026 |
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