In the Linux kernel, the following vulnerability has been resolved:
virtio_net: Fix resize of the RX ring
When a AF_XDP socket is attached, the virtnet_rx_resize should resize the rq->xsk_buffs XSK buffer array. Otherwise, when the size grows, the virtnet_rx_resume() causes a write past the end of the array. This is easily reproducable with
ethtool -G ens3 rx 32 ./xdpsock -i eth0 -q 0 -r -z & ethtool -G eth0 rx 256
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Nov 3, 2026 | Sep 17, 2026 |
| Redhat_linux | — | No solution exists | Oct 15, 2026 | Sep 17, 2026 |
| Ubuntu | — | Upgrade linux-hwe-7.0Upgrade linuxUpgrade linux-oem-7.0Upgrade linux-awsUpgrade linux-riscv-7.0Upgrade linux-riscvUpgrade linux-gcpUpgrade linux-ibmUpgrade linux-oracle | Nov 3, 2026 | Sep 17, 2026 |
| Vmware Photon_os | — | — | Nov 4, 2026 | Sep 17, 2026 |
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