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EUVD-2026-45682

🗓️ 19 Jul 2026 14:55:15Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 4 Views

Fixed ksmbd OOB read in smb_check_perm_dacl by correcting ACE size check to require 16 bytes (ACE offset plus SID base) to prevent 2-byte OOB.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
CVE
CVE-2026-63909
19 Jul 202614:55
cve
Cvelist
CVE-2026-63909 ksmbd: OOB read regression in smb_check_perm_dacl() ACE-walk loops
19 Jul 202614:55
cvelist
NVD
CVE-2026-63909
19 Jul 202616:17
nvd
OSV
CVE-2026-63909 ksmbd: OOB read regression in smb_check_perm_dacl() ACE-walk loops
19 Jul 202614:55
osv
OSV
DEBIAN-CVE-2026-63909
19 Jul 202616:17
osv
OSV
UBUNTU-CVE-2026-63909
20 Jul 202600:00
osv
Positive Technologies
PT-2026-61226
19 Jul 202600:00
ptsecurity
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19 Jul 2026 14:55Current
5.4Medium risk
Vulners AI Score5.4
EPSS0.00215
4