In the Linux kernel, the following vulnerability has been resolved:
apparmor: fix race in unix socket mediation when peer_path is used
The holding a reference to the peer_sk is not enough to ensure access to the peer sk path. Accessing the path outside of the state lock allows for a race with unix_release_sock(). Fix this by taking the state lock and getting a reference to the path under lock.
Ideally for connected sockets we would cache this information so we don't have to take the lock here. But for now just fix the race.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Ubuntu | — | Upgrade linux-image-aws-64kUpgrade linux-image-generic-64k-7.0Upgrade linux-image-gke-64k-7.0Upgrade linux-image-realtime-7.0Upgrade linux-image-7.0.0-1014-gcpUpgrade linux-image-azure-lts-26.04Upgrade linux-image-7.0.0-1013-oracleUpgrade linux-image-gkeUpgrade linux-image-7.0.0-1015-ibmUpgrade linux-image-7.0.0-38-realtimeUpgrade linux-image-gcpUpgrade linux-image-gcp-64kUpgrade linux-image-oracle-64kUpgrade linux-image-7.0.0-1014-gcp-64kUpgrade linux-image-generic-64kUpgrade linux-image-7.0.0-1008-gkeUpgrade linux-image-generic-64k-hwe-26.04Upgrade linux-image-virtual-hwe-24.04Upgrade linux-image-realtime-hwe-26.04Upgrade linux-image-aws-7.0Upgrade linux-image-oracle-7.0Upgrade linux-image-azureUpgrade linux-image-realtime-64k-hwe-26.04Upgrade linux-image-7.0.0-1016-azure-fdeUpgrade linux-image-virtual-hwe-26.04Upgrade linux-image-ibmUpgrade linux-image-7.0.0-1008-gke-64kUpgrade linux-image-7.0.0-1017-azureUpgrade linux-image-7.0.0-38-generic-64kUpgrade linux-image-oem-7.0Upgrade linux-image-genericUpgrade linux-image-ibm-7.0Upgrade linux-image-7.0.0-38-realtime-64kUpgrade linux-image-oem-26.04aUpgrade linux-image-gke-7.0Upgrade linux-image-7.0.0-1015-oemUpgrade linux-image-oem-26.04Upgrade linux-image-azure-fdeUpgrade linux-image-7.0.0-1014-awsUpgrade linux-image-gke-hwe-26.04Upgrade linux-image-azure-fde-7.0Upgrade linux-image-gcp-64k-7.0Upgrade linux-image-virtualUpgrade linux-image-oracle-64k-7.0Upgrade linux-image-generic-7.0Upgrade linux-image-7.0.0-1014-aws-64kUpgrade linux-image-realtimeUpgrade linux-image-gcp-7.0Upgrade linux-image-realtime-64k-7.0Upgrade linux-image-gke-64k-hwe-26.04Upgrade linux-image-oracleUpgrade linux-image-azure-7.0Upgrade linux-image-virtual-7.0Upgrade linux-image-gke-64kUpgrade linux-image-azure-fde-lts-26.04Upgrade linux-image-awsUpgrade linux-image-7.0.0-1013-oracle-64kUpgrade linux-image-aws-64k-7.0Upgrade linux-image-generic-hwe-24.04Upgrade linux-image-7.0.0-38-genericUpgrade linux-image-realtime-64kUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-generic-hwe-26.04 | Oct 7, 2026 | Oct 6, 2026 |
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