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Vulnerability · Published Aug 26, 2024 · Assigned by Linux

CVE-2024-44940fou: remove warn in gue_gro_receive on unsupported protocol

High 7.5

In plain English

A high-severity security flaw in Linux from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 55% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.8%top 44.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

In the Linux kernel, the following vulnerability has been resolved: fou: remove warn in gue_gro_receive on unsupported protocol Drop the WARN_ON_ONCE inn gue_gro_receive if the encapsulated type is not known or does not have a GRO handler. Such a packet is easily constructed. Syzbot generates them and sets off this warning. Remove the warning as it is expected and not actionable. The warning was previously reduced from WARN_ON to WARN_ON_ONCE in commit 270136613bf7 ("fou: Do WARN_ON_ONCE in gue_gro_receive for bad proto callbacks").

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.1.112-1DSA-5782-1
Debian:12linux6.1.112-1DEBIAN-CVE-2024-44940
Debian:13linux6.10.6-1DEBIAN-CVE-2024-44940
Debian:14linux6.10.6-1DEBIAN-CVE-2024-44940
Ubuntu:22.04:LTSlinux5.15.0-127.137USN-7166-1
Ubuntu:22.04:LTSlinux5.15.0-127.137UBUNTU-CVE-2024-44940
Ubuntu:24.04:LTSlinux6.8.0-50.51UBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-aws5.15.0-1073.79UBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-aws5.15.0-1073.79USN-7166-2
Ubuntu:24.04:LTSlinux-aws6.8.0-1020.22UBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-aws-6.86.8.0-1020.22~22.04.1UBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-azure5.15.0-1078.87USN-7186-2
Ubuntu:22.04:LTSlinux-azure5.15.0-1078.87UBUNTU-CVE-2024-44940
Ubuntu:24.04:LTSlinux-azure6.8.0-1020.23UBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-azure-6.86.8.0-1020.23~22.04.1UBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1078.87.1UBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-gcp5.15.0-1072.80USN-7166-1
Ubuntu:22.04:LTSlinux-gcp5.15.0-1072.80UBUNTU-CVE-2024-44940
Ubuntu:24.04:LTSlinux-gcp6.8.0-1019.21UBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-gcp-6.86.8.0-1019.21~22.04.1UBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-gke5.15.0-1070.76USN-7166-1
Ubuntu:22.04:LTSlinux-gke5.15.0-1070.76UBUNTU-CVE-2024-44940
Ubuntu:24.04:LTSlinux-gke6.8.0-1015.19UBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1056.63USN-7166-1
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1056.63UBUNTU-CVE-2024-44940
Ubuntu:24.04:LTSlinux-gkeop6.8.0-1002.4UBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-hwe-6.86.8.0-50.51~22.04.1UBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-ibm5.15.0-1066.69USN-7166-1
Ubuntu:22.04:LTSlinux-ibm5.15.0-1066.69UBUNTU-CVE-2024-44940
Ubuntu:24.04:LTSlinux-ibm6.8.0-1017.17UBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-ibm-6.86.8.0-1017.17~22.04.1UBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1071.77USN-7186-1
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1071.77UBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-kvm5.15.0-1070.75USN-7166-1
Ubuntu:22.04:LTSlinux-kvm5.15.0-1070.75UBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-127.137UBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-127.137USN-7166-1
Ubuntu:24.04:LTSlinux-lowlatency6.8.0-50.51.1UBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.86.8.0-50.51.1~22.04.1UBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1068.69USN-7166-1
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1068.69UBUNTU-CVE-2024-44940
Ubuntu:24.04:LTSlinux-nvidia6.8.0-1019.21UBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-nvidia-6.86.8.0-1019.21~22.04.1UBUNTU-CVE-2024-44940
Ubuntu:24.04:LTSlinux-nvidia-lowlatency6.8.0-1019.21.1UBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1032.32UBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1020.20UBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2024-44940
Ubuntu:24.04:LTSlinux-oem-6.86.8.0-1018.18UBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-oracle5.15.0-1071.77USN-7166-1
Ubuntu:22.04:LTSlinux-oracle5.15.0-1071.77UBUNTU-CVE-2024-44940
Ubuntu:24.04:LTSlinux-oracle6.8.0-1017.18UBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-oracle-6.86.8.0-1017.18~22.04.1UBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-raspi5.15.0-1066.69UBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-raspi5.15.0-1066.69USN-7166-1
Ubuntu:24.04:LTSlinux-raspi6.8.0-1016.18UBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2024-44940
Ubuntu:24.04:LTSlinux-riscv6.8.0-50.51.1UBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-riscv-6.86.8.0-50.51.1~22.04.1UBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2024-44940
Ubuntu:24.04:LTSlinux-xilinx6.8.0-1017.18UBUNTU-CVE-2024-44940
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1039.43USN-7166-4
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1039.43UBUNTU-CVE-2024-44940

Affected products (as reported)

VendorProductVersions
Linux Linux 37dd0247797b168ad1cc7f5dbec825a1ee66535b – before a925a200299a6dfc7c172f54da6f374edc93005337dd0247797b168ad1cc7f5dbec825a1ee66535b – before b1453a5616c7bd8acd90633ceba4e59105ba3b5137dd0247797b168ad1cc7f5dbec825a1ee66535b – before 5a2e37bc648a2503bf6d687aed27b9f4455d82eb37dd0247797b168ad1cc7f5dbec825a1ee66535b – before 3db4395332e7050ef9ddeb3052e6b5019f2a2a5937dd0247797b168ad1cc7f5dbec825a1ee66535b – before 440ab7f97261bc28501636a13998e1b1946d2e7937dd0247797b168ad1cc7f5dbec825a1ee66535b – before dd89a81d850fa9a65f67b4527c0e420d15bf836c
Linux Linux 3.18

References