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The vulnerability of the hci_cmd_sync_queue_once() function in Linux operating systems allows a attacker to compromise the confidentiality and accessibility of the protected information.
🗓️ 12 May 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 1 Views
| Reporter | Title | Published | Views | Family All 20 |
|---|---|---|---|---|
 | CVE-2026-43021 | 1 May 202614:15 | – | attackerkb |
 | Astra Linux - уязвимость в linux-5.10 | 20 May 202605:53 | – | astralinux |
 | Linux kernel 安全漏洞 | 1 May 202600:00 | – | cnnvd |
 | CVE-2026-43021 | 1 May 202614:15 | – | cve |
 | CVE-2026-43021 Bluetooth: hci_sync: fix leaks when hci_cmd_sync_queue_once fails | 1 May 202614:15 | – | cvelist |
 | CVE-2026-43021 | 1 May 202614:15 | – | debiancve |
 | EUVD-2026-26620 | 1 May 202614:15 | – | euvd |
 | CVE-2026-43021 | 1 May 202615:16 | – | nvd |
 | BELL-CVE-2026-43021 CVE-2026-43021 does not affect BellSoft software | 2 May 202606:09 | – | osv |
| DEBIAN-CVE-2026-43021 | 1 May 202615:16 | – | osv |
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12 May 2026 00:00Current
6Medium risk
Vulners AI Score6
CVSS 26.2
CVSS 37.1
EPSS0.00107