The vulnerability of the regs_refineCond_op() function in the kernel/bpf/verifier.c module, which is part of the BPF interpreter support in the Linux operating system, allows a hacker to trigger a service failure.
🗓️ 06 Feb 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 4 Views
| Reporter | Title | Published | Views | Family All 129 |
|---|---|---|---|---|
 | CVE-2025-39748 | 11 Sep 202516:52 | – | attackerkb |
 | Amazon Linux 2023 : bpftool6.12, kernel6.12, kernel6.12-devel (ALAS2023-2025-1208) | 30 Sep 202500:00 | – | nessus |
| Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2026-1681) | 9 May 202600:00 | – | nessus |
| Debian dla-4561 : linux-config-6.1 - security update | 2 May 202600:00 | – | nessus |
| Debian dla-4606 : ata-modules-5.10.0-43-armmp-di - security update | 3 Jun 202600:00 | – | nessus |
| Debian dsa-6243 : affs-modules-6.1.0-44-4kc-malta-di - security update | 2 May 202600:00 | – | nessus |
| openSUSE 16 Security Update : kernel (openSUSE-SU-2025-20081-1) | 2 Dec 202500:00 | – | nessus |
| Oracle Linux 10 / 9 : Unbreakable Enterprise kernel (ELSA-2025-20662) | 15 Oct 202500:00 | – | nessus |
| Photon OS 4.0: Linux PHSA-2026-4.0-1002 | 24 Apr 202600:00 | – | nessus |
| Photon OS 5.0: Linux PHSA-2026-5.0-0813 | 11 Apr 202600:00 | – | nessus |
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27 May 2026 00:00Current
6Medium risk
Vulners AI Score6
CVSS 24.6
CVSS 35.5
EPSS0.00158