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Vulnerability · Published Jan 11, 2025 · Assigned by Linux

CVE-2024-49571net/smc: check iparea_offset and ipv6_prefixes_cnt when receiving proposal msg

Critical 9.1

In plain English

A critical-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 0.6% (higher than 48% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)9.1Critical
Exploit odds (30 days)0.6%top 52.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

In the Linux kernel, the following vulnerability has been resolved: net/smc: check iparea_offset and ipv6_prefixes_cnt when receiving proposal msg When receiving proposal msg in server, the field iparea_offset and the field ipv6_prefixes_cnt in proposal msg are from the remote client and can not be fully trusted. Especially the field iparea_offset, once exceed the max value, there has the chance to access wrong address, and crash may happen. This patch checks iparea_offset and ipv6_prefixes_cnt before using them.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.1.123-1DEBIAN-CVE-2024-49571
Debian:13linux6.12.8-1DEBIAN-CVE-2024-49571
Debian:14linux6.12.8-1DEBIAN-CVE-2024-49571
Ubuntu:22.04:LTSlinux5.15.0-135.146UBUNTU-CVE-2024-49571
Ubuntu:22.04:LTSlinux5.15.0-135.146USN-7387-1
Ubuntu:24.04:LTSlinux6.8.0-60.63UBUNTU-CVE-2024-49571
Ubuntu:24.04:LTSlinux6.8.0-60.63USN-7513-1
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2024-49571
Ubuntu:22.04:LTSlinux-aws5.15.0-1080.87UBUNTU-CVE-2024-49571
Ubuntu:22.04:LTSlinux-aws5.15.0-1080.87USN-7387-1
Ubuntu:24.04:LTSlinux-aws6.8.0-1029.31UBUNTU-CVE-2024-49571
Ubuntu:24.04:LTSlinux-aws6.8.0-1029.31USN-7513-1
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2024-49571
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2024-49571
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2024-49571
Ubuntu:22.04:LTSlinux-aws-6.86.8.0-1029.31~22.04.1UBUNTU-CVE-2024-49571
Ubuntu:22.04:LTSlinux-aws-6.86.8.0-1029.31~22.04.1USN-7513-1
Ubuntu:22.04:LTSlinux-azure5.15.0-1084.93UBUNTU-CVE-2024-49571
Ubuntu:22.04:LTSlinux-azure5.15.0-1084.93USN-7387-1
Ubuntu:24.04:LTSlinux-azure6.8.0-1029.34UBUNTU-CVE-2024-49571
Ubuntu:24.04:LTSlinux-azure6.8.0-1029.34USN-7513-3
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2024-49571
Ubuntu:24.04:LTSlinux-azure-6.116.11.0-1012.12~24.04.1UBUNTU-CVE-2024-49571
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2024-49571
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2024-49571
Ubuntu:22.04:LTSlinux-azure-6.86.8.0-1029.34~22.04.1UBUNTU-CVE-2024-49571
Ubuntu:22.04:LTSlinux-azure-6.86.8.0-1029.34~22.04.1USN-7513-3
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1084.93.1UBUNTU-CVE-2024-49571
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2024-49571
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2024-49571
Ubuntu:24.04:LTSlinux-azure-nvidia6.8.0-1016.17USN-7522-1
Ubuntu:24.04:LTSlinux-azure-nvidia6.8.0-1016.17UBUNTU-CVE-2024-49571
Ubuntu:22.04:LTSlinux-gcp5.15.0-1079.88USN-7387-1
Ubuntu:22.04:LTSlinux-gcp5.15.0-1079.88UBUNTU-CVE-2024-49571
Ubuntu:24.04:LTSlinux-gcp6.8.0-1030.32UBUNTU-CVE-2024-49571
Ubuntu:24.04:LTSlinux-gcp6.8.0-1030.32USN-7515-2
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2024-49571
Ubuntu:24.04:LTSlinux-gcp-6.116.11.0-1011.11~24.04.1UBUNTU-CVE-2024-49571
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2024-49571
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2024-49571
Ubuntu:22.04:LTSlinux-gcp-6.86.8.0-1030.32~22.04.1USN-7515-2
Ubuntu:22.04:LTSlinux-gcp-6.86.8.0-1030.32~22.04.1UBUNTU-CVE-2024-49571
Ubuntu:22.04:LTSlinux-gke5.15.0-1077.83USN-7387-1
Ubuntu:22.04:LTSlinux-gke5.15.0-1077.83UBUNTU-CVE-2024-49571
Ubuntu:24.04:LTSlinux-gke6.8.0-1025.29USN-7515-1
Ubuntu:24.04:LTSlinux-gke6.8.0-1025.29UBUNTU-CVE-2024-49571
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1062.70UBUNTU-CVE-2024-49571
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1062.70USN-7387-1
Ubuntu:24.04:LTSlinux-gkeop6.8.0-1012.14UBUNTU-CVE-2024-49571
Ubuntu:24.04:LTSlinux-gkeop6.8.0-1012.14USN-7515-2
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2024-49571
Ubuntu:24.04:LTSlinux-hwe-6.116.11.0-21.21~24.04.1UBUNTU-CVE-2024-49571
Ubuntu:24.04:LTSlinux-hwe-6.116.11.0-21.21~24.04.1USN-7379-1
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2024-49571
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2024-49571
Ubuntu:22.04:LTSlinux-hwe-6.86.8.0-60.63~22.04.1USN-7513-4
Ubuntu:22.04:LTSlinux-hwe-6.86.8.0-60.63~22.04.1UBUNTU-CVE-2024-49571
Ubuntu:22.04:LTSlinux-ibm5.15.0-1072.75UBUNTU-CVE-2024-49571
Ubuntu:22.04:LTSlinux-ibm5.15.0-1072.75USN-7387-1
Ubuntu:24.04:LTSlinux-ibm6.8.0-1026.26UBUNTU-CVE-2024-49571
Ubuntu:24.04:LTSlinux-ibm6.8.0-1026.26USN-7513-1
Ubuntu:22.04:LTSlinux-ibm-6.86.8.0-1026.26~22.04.1UBUNTU-CVE-2024-49571
Ubuntu:22.04:LTSlinux-intel-iot-realtime5.15.0-1073.75UBUNTU-CVE-2024-49571
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1075.81USN-7387-1
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1075.81UBUNTU-CVE-2024-49571
Ubuntu:22.04:LTSlinux-kvm5.15.0-1076.81USN-7388-1
Ubuntu:22.04:LTSlinux-kvm5.15.0-1076.81UBUNTU-CVE-2024-49571
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-135.146USN-7387-1
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-135.146UBUNTU-CVE-2024-49571
Ubuntu:24.04:LTSlinux-lowlatency6.8.0-60.63.1UBUNTU-CVE-2024-49571
Ubuntu:24.04:LTSlinux-lowlatency6.8.0-60.63.1USN-7513-1
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2024-49571
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.116.11.0-1011.12~24.04.1USN-7381-1
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2024-49571
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2024-49571
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.86.8.0-60.63.1~22.04.1USN-7513-1
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.86.8.0-60.63.1~22.04.1UBUNTU-CVE-2024-49571
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1074.75USN-7387-1
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1074.75UBUNTU-CVE-2024-49571
Ubuntu:24.04:LTSlinux-nvidia6.8.0-1028.31USN-7514-1
Ubuntu:24.04:LTSlinux-nvidia6.8.0-1028.31UBUNTU-CVE-2024-49571
Ubuntu:24.04:LTSlinux-nvidia-6.116.11.0-1007.7UBUNTU-CVE-2024-49571
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2024-49571
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2024-49571
Ubuntu:22.04:LTSlinux-nvidia-6.86.8.0-1028.31~22.04.1UBUNTU-CVE-2024-49571
Ubuntu:22.04:LTSlinux-nvidia-6.86.8.0-1028.31~22.04.1USN-7514-1
Ubuntu:24.04:LTSlinux-nvidia-lowlatency6.8.0-1028.31.1USN-7514-1
Ubuntu:24.04:LTSlinux-nvidia-lowlatency6.8.0-1028.31.1UBUNTU-CVE-2024-49571
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1033.33UBUNTU-CVE-2024-49571
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1033.33USN-7389-1
Ubuntu:24.04:LTSlinux-nvidia-tegra6.8.0-1008.8UBUNTU-CVE-2024-49571
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1021.21USN-7389-1
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1021.21UBUNTU-CVE-2024-49571
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2024-49571
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2024-49571
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2024-49571
Ubuntu:24.04:LTSlinux-oem-6.116.11.0-1017.17USN-7382-1
Ubuntu:24.04:LTSlinux-oem-6.116.11.0-1017.17UBUNTU-CVE-2024-49571
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2024-49571
Ubuntu:24.04:LTSlinux-oem-6.86.8.0-1028.28UBUNTU-CVE-2024-49571
Ubuntu:24.04:LTSlinux-oem-6.86.8.0-1028.28USN-7513-3
Ubuntu:22.04:LTSlinux-oracle5.15.0-1077.83USN-7387-1
Ubuntu:22.04:LTSlinux-oracle5.15.0-1077.83UBUNTU-CVE-2024-49571
Ubuntu:24.04:LTSlinux-oracle6.8.0-1026.27USN-7513-1
Ubuntu:24.04:LTSlinux-oracle6.8.0-1026.27UBUNTU-CVE-2024-49571
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2024-49571
Ubuntu:22.04:LTSlinux-oracle-6.86.8.0-1026.27~22.04.1USN-7513-5
Ubuntu:22.04:LTSlinux-oracle-6.86.8.0-1026.27~22.04.1UBUNTU-CVE-2024-49571
Ubuntu:22.04:LTSlinux-raspi5.15.0-1074.77USN-7387-1
Ubuntu:22.04:LTSlinux-raspi5.15.0-1074.77UBUNTU-CVE-2024-49571
Ubuntu:24.04:LTSlinux-raspi6.8.0-1028.32USN-7524-1
Ubuntu:24.04:LTSlinux-raspi6.8.0-1028.32UBUNTU-CVE-2024-49571
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2024-49571
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2024-49571
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2024-49571
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2024-49571
Ubuntu:24.04:LTSlinux-riscv6.8.0-60.63.1UBUNTU-CVE-2024-49571
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2024-49571
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2024-49571
Ubuntu:22.04:LTSlinux-riscv-6.86.8.0-62.65~22.04.1UBUNTU-CVE-2024-49571
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2024-49571
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2024-49571
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2024-49571
Ubuntu:24.04:LTSlinux-xilinx6.8.0-1017.18UBUNTU-CVE-2024-49571
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1044.48USN-7390-1
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1044.48UBUNTU-CVE-2024-49571

Affected products (as reported)

VendorProductVersions
Linux Linux e7b7a64a8493d47433fd003efbe6543e3f676294 – before 846bada23bfcdeb83621b045ed85dc06c7833ff0e7b7a64a8493d47433fd003efbe6543e3f676294 – before f10635268a0a49ee902a3b63b5dbb76f4fed498ee7b7a64a8493d47433fd003efbe6543e3f676294 – before 62056d1592e63d85e82357ee2ae6a6a294f440b0e7b7a64a8493d47433fd003efbe6543e3f676294 – before 91a7c27c1444ed4677b83fd5308d2cf03f5f0851e7b7a64a8493d47433fd003efbe6543e3f676294 – before 47ce46349672a7e0c361bfe39ed0b22e824ef4fbe7b7a64a8493d47433fd003efbe6543e3f676294 – before a29e220d3c8edbf0e1beb0f028878a4a85966556
Linux Linux 4.16

References