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Vulnerability · Published May 17, 2024 · Assigned by Linux

CVE-2024-35840mptcp: use OPTION_MPTCP_MPJ_SYNACK in subflow_finish_connect()

Medium 5.5

In plain English

A medium-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 0.2% (higher than 12% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.2%top 87.5% 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: mptcp: use OPTION_MPTCP_MPJ_SYNACK in subflow_finish_connect() subflow_finish_connect() uses four fields (backup, join_id, thmac, none) that may contain garbage unless OPTION_MPTCP_MPJ_SYNACK has been set in mptcp_parse_option()

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.1.76-1DEBIAN-CVE-2024-35840
Debian:13linux6.6.15-1DEBIAN-CVE-2024-35840
Debian:14linux6.6.15-1DEBIAN-CVE-2024-35840
Ubuntu:22.04:LTSlinux5.15.0-102.112UBUNTU-CVE-2024-35840
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2024-35840
Ubuntu:22.04:LTSlinux-aws5.15.0-1057.63UBUNTU-CVE-2024-35840
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2024-35840
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2024-35840
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2024-35840
Ubuntu:22.04:LTSlinux-azure5.15.0-1060.69UBUNTU-CVE-2024-35840
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2024-35840
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2024-35840
Ubuntu:22.04:LTSlinux-azure-6.56.5.0-1022.23~22.04.1UBUNTU-CVE-2024-35840
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1060.69.1UBUNTU-CVE-2024-35840
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2024-35840
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2024-35840
Ubuntu:22.04:LTSlinux-gcp5.15.0-1055.63UBUNTU-CVE-2024-35840
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2024-35840
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2024-35840
Ubuntu:22.04:LTSlinux-gcp-6.56.5.0-1022.24~22.04.1UBUNTU-CVE-2024-35840
Ubuntu:22.04:LTSlinux-gke5.15.0-1054.59UBUNTU-CVE-2024-35840
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1040.46UBUNTU-CVE-2024-35840
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2024-35840
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2024-35840
Ubuntu:22.04:LTSlinux-hwe-6.56.5.0-41.41~22.04.2UBUNTU-CVE-2024-35840
Ubuntu:22.04:LTSlinux-ibm5.15.0-1050.53UBUNTU-CVE-2024-35840
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1052.58UBUNTU-CVE-2024-35840
Ubuntu:22.04:LTSlinux-kvm5.15.0-1054.59UBUNTU-CVE-2024-35840
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-102.112UBUNTU-CVE-2024-35840
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2024-35840
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2024-35840
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.56.5.0-41.41.1~22.04.1UBUNTU-CVE-2024-35840
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1048.48UBUNTU-CVE-2024-35840
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2024-35840
Ubuntu:22.04:LTSlinux-nvidia-6.56.5.0-1021.22UBUNTU-CVE-2024-35840
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1025.25UBUNTU-CVE-2024-35840
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1012.12UBUNTU-CVE-2024-35840
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2024-35840
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2024-35840
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2024-35840
Ubuntu:22.04:LTSlinux-oem-6.56.5.0-1024.25UBUNTU-CVE-2024-35840
Ubuntu:22.04:LTSlinux-oracle5.15.0-1055.61UBUNTU-CVE-2024-35840
Ubuntu:22.04:LTSlinux-oracle-6.56.5.0-1024.24~22.04.1UBUNTU-CVE-2024-35840
Ubuntu:22.04:LTSlinux-raspi5.15.0-1050.53UBUNTU-CVE-2024-35840
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2024-35840
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2024-35840
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2024-35840
Ubuntu:22.04:LTSlinux-riscv-6.56.5.0-40.40.1~22.04.1UBUNTU-CVE-2024-35840
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2024-35840
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2024-35840
Ubuntu:22.04:LTSlinux-starfive-6.56.5.0-1015.16~22.04.1UBUNTU-CVE-2024-35840
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1030.34UBUNTU-CVE-2024-35840

Affected products (as reported)

VendorProductVersions
Linux Linux f296234c98a8fcec94eec80304a873f635d350ea – before 413b913507326972135d2977975dbff8b7f2c453f296234c98a8fcec94eec80304a873f635d350ea – before 51e4cb032d49ce094605f27e45eabebc0408893cf296234c98a8fcec94eec80304a873f635d350ea – before ad3e8f5c3d5c53841046ef7a947c04ad45a20721f296234c98a8fcec94eec80304a873f635d350ea – before 76e8de7273a22a00d27e9b8b7d4d043d6433416af296234c98a8fcec94eec80304a873f635d350ea – before be1d9d9d38da922bd4beeec5b6dd821ff5a1dfeb
Linux Linux 5.7

References