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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-genericUpgrade linux-image-6.8.0-1011-nvidiaUpgrade linux-image-azure-fdeUpgrade linux-image-ibm-classicUpgrade linux-image-6.8.0-40-generic-64kUpgrade linux-image-6.8.0-1010-ibmUpgrade linux-image-generic-lpaeUpgrade linux-image-azureUpgrade linux-image-6.8.0-1012-azure-fdeUpgrade linux-image-6.8.0-1012-gcpUpgrade linux-image-6.8.0-1013-awsUpgrade linux-image-raspiUpgrade linux-image-6.8.0-40-lowlatencyUpgrade linux-image-lowlatency-64kUpgrade linux-image-ibmUpgrade linux-image-6.8.0-40-lowlatency-64kUpgrade linux-image-nvidiaUpgrade linux-image-lowlatencyUpgrade linux-image-generic-64kUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-oem-24.04aUpgrade linux-image-6.8.0-1012-azureUpgrade linux-image-6.8.0-1011-nvidia-64kUpgrade linux-image-6.8.0-1010-oemUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-virtual-hwe-24.04Upgrade linux-image-generic-hwe-24.04Upgrade linux-image-6.8.0-1011-nvidia-lowlatencyUpgrade linux-image-nvidia-64kUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-virtualUpgrade linux-image-6.8.0-1009-raspiUpgrade linux-image-awsUpgrade linux-image-6.8.0-1011-nvidia-lowlatency-64kUpgrade linux-image-nvidia-6.8Upgrade linux-image-oracle-64kUpgrade linux-image-gkeUpgrade linux-image-6.8.0-1010-oracle-64kUpgrade linux-image-6.8.0-40-genericUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-oem-24.04Upgrade linux-image-gcpUpgrade linux-image-kvmUpgrade linux-image-6.8.0-1008-gkeUpgrade linux-image-6.8.0-1010-oracleUpgrade linux-image-oracle | Aug 9, 2024 | May 14, 2024 |
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