The vulnerability of the br_handle_egress_vlan_tunnel() function in the net/bridge/br_vlan_tunnel.c module, a part of the networking functions in the Linux kernel, allows a hacker to trigger a service failure.
🗓️ 05 Nov 2025 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 8 Views
| Reporter | Title | Published | Views | Family All 34 |
|---|---|---|---|---|
 | Amazon Linux 2 : kernel, --advisory ALAS2-2021-1685 (ALAS-2021-1685) | 16 Jul 202100:00 | – | nessus |
| Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2022-002 (ALASKERNEL-5.10-2022-002) | 2 May 202200:00 | – | nessus |
| Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.4-2022-004 (ALASKERNEL-5.4-2022-004) | 2 May 202200:00 | – | nessus |
| EulerOS 2.0 SP9 : kernel (EulerOS-SA-2024-2394) | 12 Sep 202400:00 | – | nessus |
| EulerOS 2.0 SP10 : kernel (EulerOS-SA-2024-2441) | 12 Sep 202400:00 | – | nessus |
| SUSE SLES12 Security Update : kernel (SUSE-SU-2025:0565-1) | 19 Feb 202500:00 | – | nessus |
| Unity Linux 20.1070e Security Update: kernel (UTSA-2025-986876) | 7 Oct 202500:00 | – | nessus |
| Unity Linux 20.1070a Security Update: kernel (UTSA-2025-988845) | 5 Nov 202500:00 | – | nessus |
| Linux Distros Unpatched Vulnerability : CVE-2021-47222 | 5 Mar 202500:00 | – | nessus |
 | Important: kernel | 16 Jul 202100:00 | – | amazon |
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05 Nov 2025 00:00Current
6.6Medium risk
Vulners AI Score6.6
CVSS 24.6
CVSS 35.5
EPSS0.00246