THREATOPS

THREAT OPS › Threat News › [NVD] CVE-2021-47036 (CRITICAL 9.8) — In the Linux kernel, the following vulnerability has been resolved: udp: skip L4 aggregation for UDP tunnel packets If NETIF_F_GRO_FRAGLIST or NETIF_F_GRO_UDP_FWD are enabled, and there are UDP tunnels available in the system, udp_gro_receive() could end-up doing L4 aggregation

[NVD] CVE-2021-47036 (CRITICAL 9.8) — In the Linux kernel, the following vulnerability has been resolved: udp: skip L4 aggregation for UDP tunnel packets If NETIF_F_GRO_FRAGLIST or NETIF_F_GRO_UDP_FWD are enabled, and there are UDP tunnels available in the system, udp_gro_receive() could end-up doing L4 aggregation

lownvdPublished 2024-02-28

CVE-2021-47036 CVSS: 9.8 CRITICAL Published: 2024-02-28T09:15:39.800

In the Linux kernel, the following vulnerability has been resolved:

udp: skip L4 aggregation for UDP tunnel packets

If NETIF_F_GRO_FRAGLIST or NETIF_F_GRO_UDP_FWD are enabled, and there are UDP tunnels available in the system, udp_gro_receive() could end-up doing L4 aggregation (either SKB_GSO_UDP_L4 or SKB_GSO_FRAGLIST) at th

Indicators of compromise

CVE-2021-47036cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2021-47036