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CVE-2026-53390 ksmbd: fix out-of-bounds read in smb_check_perm_dacl()

🗓️ 19 Jul 2026 12:01:54Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 49 Views

ksmbd fixes out-of-bounds read in smb_check_perm_dacl by validating ace size against sub-auth count.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-53390
19 Jul 202612:01
attackerkb
cve
CVE
CVE-2026-53390
19 Jul 202612:01
cve
debian
Debian
[SECURITY] [DLA 4700-1] linux-6.1 security update
26 Jul 202610:42
debian
debiancve
Debian CVE
CVE-2026-53390
19 Jul 202612:01
debiancve
nessus
Tenable Nessus
Debian dla-4700 : linux-config-6.1 - security update
26 Jul 202600:00
nessus
nessus
Tenable Nessus
Photon OS 5.0: Linux PHSA-2026-5.0-0916
9 Jul 202600:00
nessus
nessus
Tenable Nessus
Photon OS 5.0: Linux PHSA-2026-5.0-0926
24 Jul 202600:00
nessus
nessus
Tenable Nessus
Photon OS 5.0: Linux PHSA-2026-5.0-92-0916
10 Aug 202600:00
nessus
nessus
Tenable Nessus
Photon OS 5.0: Linux PHSA-2026-5.0-92-0926
10 Aug 202600:00
nessus
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-53390
20 Jul 202600:00
nessus
Rows per page
[
  {
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    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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    ],
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    ]
  },
  {
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      "fs/smb/server/smbacl.c"
    ],
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      },
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      },
      {
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      },
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        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.38",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
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        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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