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CVE-2026-64437 ksmbd: fix use-after-free of a deferred file_lock on SMB2_CLOSE then SMB2_CANCEL

🗓️ 25 Jul 2026 08:51:11Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 41 Views

ksmbd fixes use-after-free of a deferred file_lock on SMB2_CLOSE then SMB2_CANCEL.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-64437
25 Jul 202608:51
attackerkb
astralinux
AstraLinux
Astra Linux – Vulnerability in Linux 6.12
8 May 202609:09
astralinux
circl
Circl
CVE-2026-64437
6 Aug 202604:51
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cve
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CVE-2026-64437
25 Jul 202608:51
cve
debian
Debian
[SECURITY] [DLA 4720-1] linux security update
5 Aug 202616:10
debian
debian
Debian
[SECURITY] [DLA 4723-1] linux-6.1 security update
7 Aug 202608:04
debian
debian
Debian
[SECURITY] [DLA 4724-1] linux-6.12 new package
7 Aug 202609:29
debian
debiancve
Debian CVE
CVE-2026-64437
25 Jul 202608:51
debiancve
nessus
Tenable Nessus
Debian dla-4720 : ata-modules-6.1.0-48-armmp-di - security update
5 Aug 202600:00
nessus
nessus
Tenable Nessus
Debian dla-4723 : linux-config-6.1 - security update
8 Aug 202600:00
nessus
Rows per page
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        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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17 Aug 2026 04:55Current
CVSS 3.18.8
EPSS0.00435
41