The vulnerabilities of the functions mptcp_sendmsg_frag() and mptcp_subflow_get_send() in the module net/mptcp/protocol.c, which are part of the MPTCP protocol implementation in Linux kernel, allow attackers to compromise the confidentiality, integrity, and accessibility of the protected information.
🗓️ 19 Mar 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 6 Views
| Reporter | Title | Published | Views | Family All 85 |
|---|---|---|---|---|
 | Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2025-103 (ALASKERNEL-5.10-2025-103) | 5 Sep 202500:00 | – | nessus |
| Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.15-2025-088 (ALASKERNEL-5.15-2025-088) | 5 Sep 202500:00 | – | nessus |
| RHEL 8 : kernel (RHSA-2025:19222) | 29 Oct 202500:00 | – | nessus |
| RHEL 9 : kernel-rt (RHSA-2025:19268) | 29 Oct 202500:00 | – | nessus |
| RHEL 9 : kernel (RHSA-2025:19492) | 3 Nov 202500:00 | – | nessus |
| RHEL 8 : kernel (RHSA-2025:22752) | 4 Dec 202500:00 | – | nessus |
| Ubuntu 20.04 LTS / 22.04 LTS : Linux kernel vulnerabilities (USN-7909-1) | 5 Dec 202500:00 | – | nessus |
| Ubuntu 22.04 LTS : Linux kernel (Azure FIPS) vulnerabilities (USN-7910-1) | 5 Dec 202500:00 | – | nessus |
| Ubuntu 22.04 LTS : Linux kernel (KVM) vulnerabilities (USN-7933-1) | 16 Dec 202500:00 | – | nessus |
| Ubuntu 20.04 LTS : Linux kernel (Azure) vulnerabilities (USN-7938-1) | 16 Dec 202500:00 | – | nessus |
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19 Mar 2026 00:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 26
CVSS 37
EPSS0.00216