The vulnerability of the proc_blackhole_detect_timeout() function in the net/mptcp/ctrl.c module of the Linux kernel allows a hacker to cause a service failure.
🗓️ 15 Dec 2025 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 7 Views
| Reporter | Title | Published | Views | Family All 21 |
|---|---|---|---|---|
 | CVE-2025-21641 | 19 Jan 202510:57 | – | circl |
 | Linux kernel 安全漏洞 | 19 Jan 202500:00 | – | cnnvd |
 | CVE-2025-21641 | 19 Jan 202510:17 | – | cve |
 | CVE-2025-21641 mptcp: sysctl: blackhole timeout: avoid using current->nsproxy | 19 Jan 202510:17 | – | cvelist |
 | CVE-2025-21641 | 19 Jan 202510:17 | – | debiancve |
 | Unbreakable Enterprise kernel security update | 17 Jul 202500:00 | – | oraclelinux |
 | EUVD-2025-2590 | 3 Oct 202520:07 | – | euvd |
 | CVE-2025-21641 | 19 Jan 202511:15 | – | nvd |
 | Oracle Linux 10 / 9 : Unbreakable Enterprise kernel (ELSA-2025-20480) | 18 Jul 202500:00 | – | nessus |
| Oracle Linux 10 / 9 : Unbreakable Enterprise kernel (ELSA-2025-20530) | 19 Aug 202500:00 | – | nessus |
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15 Dec 2025 00:00Current
6.7Medium risk
Vulners AI Score6.7
CVSS 24.6
CVSS 35.5
EPSS0.00172