In the Linux kernel, the following vulnerability has been resolved:
vxlan: Fix potential null-ptr-deref in vxlan_gro_prepare_receive().
udp_tunnel_sock_release() could set sk->sk_user_data to NULL while vxlan_gro_prepare_receive() is running.
Let's check if rcu_dereference_sk_user_data() is NULL after skb_gro_remcsum_init().
CVSS Details
- CVSS 3.1 Base Score: 9.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon_linux_2023 | — | Upgrade kernel-debuginfo-common-x86_64Upgrade kernel-headersUpgrade perf-debuginfoUpgrade kernelUpgrade kernel-livepatch-6.1.180-225.360Upgrade kernel-modules-extra-commonUpgrade bpftool-debuginfoUpgrade kernel-toolsUpgrade kernel-tools-develUpgrade kernel-modules-extraUpgrade kernel-debuginfo-common-aarch64Upgrade bpftoolUpgrade kernel-develUpgrade python3-perf-debuginfoUpgrade python3-perfUpgrade perfUpgrade kernel-tools-debuginfoUpgrade kernel-debuginfo | Sep 1, 2026 | Aug 15, 2026 |
| Debian | — | Upgrade linux | Aug 16, 2026 | Aug 16, 2026 |
| Redhat_linux | — | No solution exists | Aug 20, 2026 | Aug 15, 2026 |
| Ubuntu | — | Upgrade linux-image-nvidia-tegra-rtUpgrade linux-image-nvidia-tegra-6.8No solution existsUpgrade linux-image-6.8.0-1035-nvidia-tegra-rtUpgrade linux-image-nvidia-tegra-rt-6.8Upgrade linux-image-nvidia-tegraUpgrade linux-image-6.8.0-1035-nvidia-tegra | Sep 21, 2026 | Sep 18, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Aug 21, 2026 | Aug 15, 2026 |
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