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CVE-2026-5398

🗓️ 23 Apr 2026 07:22:25Reported by redhat.comType 
redhatcve
 redhatcve
🔗 access.redhat.com👁 4 Views

CVE-2026-5398: TIOCNOTTY fails to clear the terminal back-pointer, leaving a freed-memory pointer that can be exploited to grant root privileges.

Related
Refs
ReporterTitlePublishedViews
Family
FreeBSD
FreeBSD -- Kernel use-after-free bug in the TIOCNOTTY handler
21 Apr 202600:00
freebsd
ATTACKERKB
CVE-2026-5398
22 Apr 202602:23
attackerkb
Circl
CVE-2026-5398
22 Apr 202604:26
circl
CNNVD
FreeBSD 资源管理错误漏洞
22 Apr 202600:00
cnnvd
CVE
CVE-2026-5398
22 Apr 202602:23
cve
Cvelist
CVE-2026-5398 Kernel use-after-free bug in the TIOCNOTTY handler
22 Apr 202602:23
cvelist
EUVD
EUVD-2026-24589
22 Apr 202602:23
euvd
FreeBSD Advisory
FreeBSD-SA-26:10.tty
21 Apr 202600:00
freebsd_advisory
Tenable Nessus
FreeBSD : FreeBSD -- Kernel use-after-free bug in the TIOCNOTTY handler (971b5528-3def-11f1-bb07-bc241121aa0a)
22 Apr 202600:00
nessus
NVD
CVE-2026-5398
22 Apr 202603:16
nvd
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23 Apr 2026 07:22Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.18.4
EPSS0.0001
SSVC
4