CVE-2026-98114 (GCVE-0-2026-98114)

Vulnerability from cvelistv5 – Published: 2026-09-25 10:36 – Updated: 2026-09-25 10:36
VLAI
Title
ksmbd: propagate DACL parsing errors
Summary
In the Linux kernel, the following vulnerability has been resolved: ksmbd: propagate DACL parsing errors parse_dacl() silently accepts truncated ACEs and allocation failures, allowing set_info_sec() to continue with an incomplete ACL conversion. Return parsing and allocation errors to parse_sec_desc() so malformed security descriptors are rejected before inode attributes or ACL xattrs are updated.
Severity
No CVSS data available.
Assigner
Linux CNA under the mitre root
CNA scorecard D 53/100 over 7100 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 , < 461f10a5297e85b7c1cd21838922f2e57b934d2d (git)
Affected: e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 , < 37952f03d5171eb3a33b2abc2cf6e456d69ff4a1 (git)
Affected: e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 , < a04dac1f2cffe9533f4260f0659297d805e69194 (git)
Affected: e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 , < c61dc7b1b4a3234b4aa3965502908a292238805c (git)
guessed Create a notification for this product.
Linux Linux Affected: 5.15
Unaffected: 0 , < 5.15 (semver)
Unaffected: 6.12.111 , ≤ 6.12.* (semver)
Unaffected: 6.18.53 , ≤ 6.18.* (semver)
Unaffected: 7.2.7 , ≤ 7.2.* (semver)
Unaffected: 7.3-rc2 , ≤ * (original_commit_for_fix)
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/smb/server/smbacl.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "461f10a5297e85b7c1cd21838922f2e57b934d2d",
              "status": "affected",
              "version": "e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9",
              "versionType": "git"
            },
            {
              "lessThan": "37952f03d5171eb3a33b2abc2cf6e456d69ff4a1",
              "status": "affected",
              "version": "e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9",
              "versionType": "git"
            },
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              "versionType": "git"
            },
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              "versionType": "git"
            }
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        },
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          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/smb/server/smbacl.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "status": "affected",
              "version": "5.15"
            },
            {
              "lessThan": "5.15",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
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              "status": "unaffected",
              "version": "6.12.111",
              "versionType": "semver"
            },
            {
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              "status": "unaffected",
              "version": "6.18.53",
              "versionType": "semver"
            },
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              "status": "unaffected",
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              "versionType": "semver"
            },
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              "status": "unaffected",
              "version": "7.3-rc2",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.111",
                  "versionStartIncluding": "5.15",
                  "vulnerable": true
                },
                {
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                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.3-rc2",
                  "versionStartIncluding": "5.15",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: propagate DACL parsing errors\n\nparse_dacl() silently accepts truncated ACEs and allocation failures,\nallowing set_info_sec() to continue with an incomplete ACL conversion.\n\nReturn parsing and allocation errors to parse_sec_desc() so malformed\nsecurity descriptors are rejected before inode attributes or ACL xattrs\nare updated."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-25T10:36:00.514Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/461f10a5297e85b7c1cd21838922f2e57b934d2d"
        },
        {
          "url": "https://git.kernel.org/stable/c/37952f03d5171eb3a33b2abc2cf6e456d69ff4a1"
        },
        {
          "url": "https://git.kernel.org/stable/c/a04dac1f2cffe9533f4260f0659297d805e69194"
        },
        {
          "url": "https://git.kernel.org/stable/c/c61dc7b1b4a3234b4aa3965502908a292238805c"
        }
      ],
      "title": "ksmbd: propagate DACL parsing errors",
      "x_generator": {
        "engine": "bippy-1.2.0"
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  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-98114",
    "datePublished": "2026-09-25T10:36:00.514Z",
    "dateReserved": "2026-09-25T10:25:14.316Z",
    "dateUpdated": "2026-09-25T10:36:00.514Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-98114",
      "date": "2026-10-18",
      "epss": "0.00168",
      "percentile": "0.05639"
    },
    "microsoft_vex": {
      "current_release_date": "2026-09-28T01:00:13.000Z",
      "cve": "CVE-2026-98114",
      "id": "msrc_CVE-2026-98114",
      "initial_release_date": "2026-09-27T23:42:39.000Z",
      "product_status:known_affected": "1",
      "source": "Microsoft CSAF VEX",
      "status": "final",
      "title": "ksmbd: propagate DACL parsing errors",
      "url": "https://msrc.microsoft.com/csaf/vex/2026/msrc_cve-2026-98114.json",
      "version": "2"
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "defaultStatus": "unaffected",
                "product": "Linux",
                "programFiles": [
                  "fs/smb/server/smbacl.c"
                ],
                "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                "vendor": "Linux",
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              },
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                "programFiles": [
                  "fs/smb/server/smbacl.c"
                ],
                "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                "vendor": "Linux",
                "versions": [
                  {
                    "status": "affected",
                    "version": "5.15"
                  },
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                    "status": "unaffected",
                    "version": "0",
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                    "status": "unaffected",
                    "version": "6.12.111",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "6.18.*",
                    "status": "unaffected",
                    "version": "6.18.53",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "7.2.*",
                    "status": "unaffected",
                    "version": "7.2.7",
                    "versionType": "semver"
                  },
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                  }
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              }
            ],
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          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: propagate DACL parsing errors\n\nparse_dacl() silently accepts truncated ACEs and allocation failures,\nallowing set_info_sec() to continue with an incomplete ACL conversion.\n\nReturn parsing and allocation errors to parse_sec_desc() so malformed\nsecurity descriptors are rejected before inode attributes or ACL xattrs\nare updated."
          }
        ],
        "id": "CVE-2026-98114",
        "lastModified": "2026-09-30T14:10:59.253",
        "metrics": {},
        "published": "2026-09-25T11:17:42.560",
        "references": [
          {
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        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Awaiting Analysis"
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      "current_release_date": "2026-09-29T04:25:32+00:00",
      "cve": "CVE-2026-98114",
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      "title": "kernel: ksmbd: propagate DACL parsing errors",
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      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2026-98114",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-98114.json",
      "version": "5"
    }
  }
}



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