In the Linux kernel, the following vulnerability has been resolved:
tcp: Fix Use-After-Free in tcp_ao_connect_init
Since call_rcu, which is called in the hlist_for_each_entry_rcu traversal of tcp_ao_connect_init, is not part of the RCU read critical section, it is possible that the RCU grace period will pass during the traversal and the key will be free.
To prevent this, it should be changed to hlist_for_each_entry_safe.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Jul 27, 2026 | Jul 27, 2026 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | May 14, 2024 |
| Ubuntu | — | Upgrade linux-image-lowlatencyUpgrade linux-image-6.8.0-40-generic-64kUpgrade linux-image-azureUpgrade linux-image-6.8.0-1011-nvidiaUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-6.8.0-1013-awsUpgrade linux-image-lowlatency-64kUpgrade linux-image-ibm-classicUpgrade linux-image-6.8.0-1012-azure-fdeUpgrade linux-image-6.8.0-1012-gcpUpgrade linux-image-generic-64kUpgrade linux-image-genericUpgrade linux-image-6.8.0-1010-ibmUpgrade linux-image-azure-fdeUpgrade linux-image-ibmUpgrade linux-image-generic-lpaeUpgrade linux-image-6.8.0-40-lowlatency-64kUpgrade linux-image-raspiUpgrade linux-image-6.8.0-40-lowlatencyUpgrade linux-image-nvidiaUpgrade linux-image-6.8.0-1010-oracle-64kUpgrade linux-image-6.8.0-1008-gkeUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-nvidia-64k-6.8Upgrade linux-image-oem-24.04aUpgrade linux-image-6.8.0-1011-nvidia-64kUpgrade linux-image-virtualUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-6.8.0-1011-nvidia-lowlatencyUpgrade linux-image-nvidia-64kUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-6.8.0-1010-oemUpgrade linux-image-6.8.0-1012-azureUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-6.8.0-1011-nvidia-lowlatency-64kUpgrade linux-image-gkeUpgrade linux-image-kvmUpgrade linux-image-oem-24.04Upgrade linux-image-gcpUpgrade linux-image-6.8.0-40-genericUpgrade linux-image-6.8.0-1009-raspiUpgrade linux-image-oracleUpgrade linux-image-oracle-64kUpgrade linux-image-nvidia-6.8Upgrade linux-image-awsUpgrade linux-image-6.8.0-1010-oracle | Aug 9, 2024 | May 14, 2024 |
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