Vulnerability-Lookup

FKIE_CVE-2023-53034

Vulnerability from fkie_nvd - Published: 2025-04-16 15:15 - Updated: 2026-08-04 10:18

Severity

7.1 (High) - CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
7.1 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Summary

In the Linux kernel, the following vulnerability has been resolved: ntb_hw_switchtec: Fix shift-out-of-bounds in switchtec_ntb_mw_set_trans There is a kernel API ntb_mw_clear_trans() would pass 0 to both addr and size. This would make xlate_pos negative. [ 23.734156] switchtec switchtec0: MW 0: part 0 addr 0x0000000000000000 size 0x0000000000000000 [ 23.734158] ================================================================================ [ 23.734172] UBSAN: shift-out-of-bounds in drivers/ntb/hw/mscc/ntb_hw_switchtec.c:293:7 [ 23.734418] shift exponent -1 is negative Ensuring xlate_pos is a positive or zero before BIT.

References

URL	Tags
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/0df2e03e4620548b41891b4e0d1bd9d2e0d8a39a	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/2429bdf26a0f3950fdd996861e9c1a3873af1dbe	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/36d32cfb00d42e865396424bb5d340fc0a28870d	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/5b6857bb3bfb0dae17fab1e42c1e82c204a508b1	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/7ed22f8d8be26225a78cf5e85b2036421a6bf2d5	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/c61a3f2df162ba424be0141649a9ef5f28eaccc1	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/cb153bdc1812a3375639ed6ca5f147eaefb65349	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/de203da734fae00e75be50220ba5391e7beecdf9	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/f56951f211f181410a383d305e8d370993e45294	Patch
af854a3a-2127-422b-91ae-364da2661108	https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html
af854a3a-2127-422b-91ae-364da2661108	https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html

Impacted products

Vendor	Product	Version
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/ntb/hw/mscc/ntb_hw_switchtec.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "f56951f211f181410a383d305e8d370993e45294",
              "status": "affected",
              "version": "1e2fd202f8593985cdadca32e0c322f98e7fe7cb",
              "versionType": "git"
            },
            {
              "lessThan": "5b6857bb3bfb0dae17fab1e42c1e82c204a508b1",
              "status": "affected",
              "version": "1e2fd202f8593985cdadca32e0c322f98e7fe7cb",
              "versionType": "git"
            },
            {
              "lessThan": "2429bdf26a0f3950fdd996861e9c1a3873af1dbe",
              "status": "affected",
              "version": "1e2fd202f8593985cdadca32e0c322f98e7fe7cb",
              "versionType": "git"
            },
            {
              "lessThan": "7ed22f8d8be26225a78cf5e85b2036421a6bf2d5",
              "status": "affected",
              "version": "1e2fd202f8593985cdadca32e0c322f98e7fe7cb",
              "versionType": "git"
            },
            {
              "lessThan": "c61a3f2df162ba424be0141649a9ef5f28eaccc1",
              "status": "affected",
              "version": "1e2fd202f8593985cdadca32e0c322f98e7fe7cb",
              "versionType": "git"
            },
            {
              "lessThan": "cb153bdc1812a3375639ed6ca5f147eaefb65349",
              "status": "affected",
              "version": "1e2fd202f8593985cdadca32e0c322f98e7fe7cb",
              "versionType": "git"
            },
            {
              "lessThan": "36d32cfb00d42e865396424bb5d340fc0a28870d",
              "status": "affected",
              "version": "1e2fd202f8593985cdadca32e0c322f98e7fe7cb",
              "versionType": "git"
            },
            {
              "lessThan": "0df2e03e4620548b41891b4e0d1bd9d2e0d8a39a",
              "status": "affected",
              "version": "1e2fd202f8593985cdadca32e0c322f98e7fe7cb",
              "versionType": "git"
            },
            {
              "lessThan": "de203da734fae00e75be50220ba5391e7beecdf9",
              "status": "affected",
              "version": "1e2fd202f8593985cdadca32e0c322f98e7fe7cb",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/ntb/hw/mscc/ntb_hw_switchtec.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.16"
            },
            {
              "lessThan": "4.16",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.292",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.236",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.180",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.134",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.87",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.23",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.13.*",
              "status": "unaffected",
              "version": "6.13.11",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.14.*",
              "status": "unaffected",
              "version": "6.14.2",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.15",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "B1CC66AB-6E27-47C2-8131-3AACD9A7FB72",
              "versionEndExcluding": "5.4.292",
              "versionStartIncluding": "4.16",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "1DF46FB0-9163-4ABE-8CCA-32A497D4715B",
              "versionEndExcluding": "5.10.236",
              "versionStartIncluding": "5.5",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "D19801C8-3D18-405D-9989-E6C9B30255FA",
              "versionEndExcluding": "5.15.180",
              "versionStartIncluding": "5.11",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "3985DEC3-0437-4177-BC42-314AB575285A",
              "versionEndExcluding": "6.1.134",
              "versionStartIncluding": "5.16",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "EFF24260-49B1-4251-9477-C564CFDAD25B",
              "versionEndExcluding": "6.6.87",
              "versionStartIncluding": "6.2",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "26CAB76D-F00F-43CE-BEAD-7097F8FB1D6C",
              "versionEndExcluding": "6.12.23",
              "versionStartIncluding": "6.7",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "E7E864B0-8C00-4679-BA55-659B4C9C3AD3",
              "versionEndExcluding": "6.13.11",
              "versionStartIncluding": "6.13",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "FADAE5D8-4808-442C-B218-77B2CE8780A0",
              "versionEndExcluding": "6.14.2",
              "versionStartIncluding": "6.14",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nntb_hw_switchtec: Fix shift-out-of-bounds in switchtec_ntb_mw_set_trans\n\nThere is a kernel API ntb_mw_clear_trans() would pass 0 to both addr and\nsize. This would make xlate_pos negative.\n\n[   23.734156] switchtec switchtec0: MW 0: part 0 addr 0x0000000000000000 size 0x0000000000000000\n[   23.734158] ================================================================================\n[   23.734172] UBSAN: shift-out-of-bounds in drivers/ntb/hw/mscc/ntb_hw_switchtec.c:293:7\n[   23.734418] shift exponent -1 is negative\n\nEnsuring xlate_pos is a positive or zero before BIT."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ntb_hw_switchtec: Se corrige el desplazamiento fuera de los l\u00edmites en switchtec_ntb_mw_set_trans. Existe una API del kernel ntb_mw_clear_trans() que pasar\u00eda 0 tanto a addr como a size. Esto har\u00eda que xlate_pos fuera negativo. [ 23.734156] switchtec switchtec0: MW 0: parte 0 addr 0x0000000000000000 tama\u00f1o 0x0000000000000000 [ 23.734158] ======================================================================================== [ 23.734172] UBSAN: desplazamiento fuera de los l\u00edmites en drivers/ntb/hw/mscc/ntb_hw_switchtec.c:293:7 [ 23.734418] el exponente de desplazamiento -1 es negativo. Se garantiza que xlate_pos sea positivo o cero antes de BIT."
    }
  ],
  "id": "CVE-2023-53034",
  "lastModified": "2026-08-04T10:18:52.693",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "ADJACENT_NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.1,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 4.2,
        "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.1,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.2,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-53034",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-06-10T20:41:32.295522Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2025-04-16T15:15:52.717",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/0df2e03e4620548b41891b4e0d1bd9d2e0d8a39a"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/2429bdf26a0f3950fdd996861e9c1a3873af1dbe"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/36d32cfb00d42e865396424bb5d340fc0a28870d"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/5b6857bb3bfb0dae17fab1e42c1e82c204a508b1"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/7ed22f8d8be26225a78cf5e85b2036421a6bf2d5"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/c61a3f2df162ba424be0141649a9ef5f28eaccc1"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/cb153bdc1812a3375639ed6ca5f147eaefb65349"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/de203da734fae00e75be50220ba5391e7beecdf9"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
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      ],
      "url": "https://git.kernel.org/stable/c/f56951f211f181410a383d305e8d370993e45294"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2023-53034 (GCVE-0-2023-53034)

Vulnerability from cvelistv5 – Published: 2025-04-16 14:11 – Updated: 2026-08-05 09:12

Title

ntb_hw_switchtec: Fix shift-out-of-bounds in switchtec_ntb_mw_set_trans

Summary

Severity

7.1 (High)


                        
                          CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-06-10 20:41 UTC

Assigner

Linux CNA under the mitre root

CNA scorecard D 53/100 over 6847 records in the last 180 days details

References

11 references

URL	Tags
https://git.kernel.org/stable/c/f56951f211f181410…
https://git.kernel.org/stable/c/5b6857bb3bfb0dae1…
https://git.kernel.org/stable/c/2429bdf26a0f3950f…
https://git.kernel.org/stable/c/7ed22f8d8be26225a…
https://git.kernel.org/stable/c/c61a3f2df162ba424…
https://git.kernel.org/stable/c/cb153bdc1812a3375…
https://git.kernel.org/stable/c/36d32cfb00d42e865…
https://git.kernel.org/stable/c/0df2e03e4620548b4…
https://git.kernel.org/stable/c/de203da734fae00e7…
https://lists.debian.org/debian-lts-announce/2025…
https://lists.debian.org/debian-lts-announce/2025…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 1e2fd202f8593985cdadca32e0c322f98e7fe7cb , < f56951f211f181410a383d305e8d370993e45294 (git) Affected: 1e2fd202f8593985cdadca32e0c322f98e7fe7cb , < 5b6857bb3bfb0dae17fab1e42c1e82c204a508b1 (git) Affected: 1e2fd202f8593985cdadca32e0c322f98e7fe7cb , < 2429bdf26a0f3950fdd996861e9c1a3873af1dbe (git) Affected: 1e2fd202f8593985cdadca32e0c322f98e7fe7cb , < 7ed22f8d8be26225a78cf5e85b2036421a6bf2d5 (git) Affected: 1e2fd202f8593985cdadca32e0c322f98e7fe7cb , < c61a3f2df162ba424be0141649a9ef5f28eaccc1 (git) Affected: 1e2fd202f8593985cdadca32e0c322f98e7fe7cb , < cb153bdc1812a3375639ed6ca5f147eaefb65349 (git) Affected: 1e2fd202f8593985cdadca32e0c322f98e7fe7cb , < 36d32cfb00d42e865396424bb5d340fc0a28870d (git) Affected: 1e2fd202f8593985cdadca32e0c322f98e7fe7cb , < 0df2e03e4620548b41891b4e0d1bd9d2e0d8a39a (git) Affected: 1e2fd202f8593985cdadca32e0c322f98e7fe7cb , < de203da734fae00e75be50220ba5391e7beecdf9 (git)
Linux	Linux	Affected: 4.16 Unaffected: 0 , < 4.16 (semver) Unaffected: 5.4.292 , ≤ 5.4.* (semver) Unaffected: 5.10.236 , ≤ 5.10.* (semver) Unaffected: 5.15.180 , ≤ 5.15.* (semver) Unaffected: 6.1.134 , ≤ 6.1.* (semver) Unaffected: 6.6.87 , ≤ 6.6.* (semver) Unaffected: 6.12.23 , ≤ 6.12.* (semver) Unaffected: 6.13.11 , ≤ 6.13.* (semver) Unaffected: 6.14.2 , ≤ 6.14.* (semver) Unaffected: 6.15 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2025-11-03T19:28:57.581Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html"
          },
          {
            "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-53034",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-06-10T20:41:32.295522Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-06-11T18:44:13.457Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/ntb/hw/mscc/ntb_hw_switchtec.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "f56951f211f181410a383d305e8d370993e45294",
              "status": "affected",
              "version": "1e2fd202f8593985cdadca32e0c322f98e7fe7cb",
              "versionType": "git"
            },
            {
              "lessThan": "5b6857bb3bfb0dae17fab1e42c1e82c204a508b1",
              "status": "affected",
              "version": "1e2fd202f8593985cdadca32e0c322f98e7fe7cb",
              "versionType": "git"
            },
            {
              "lessThan": "2429bdf26a0f3950fdd996861e9c1a3873af1dbe",
              "status": "affected",
              "version": "1e2fd202f8593985cdadca32e0c322f98e7fe7cb",
              "versionType": "git"
            },
            {
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              "status": "affected",
              "version": "1e2fd202f8593985cdadca32e0c322f98e7fe7cb",
              "versionType": "git"
            },
            {
              "lessThan": "c61a3f2df162ba424be0141649a9ef5f28eaccc1",
              "status": "affected",
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            },
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              "status": "affected",
              "version": "1e2fd202f8593985cdadca32e0c322f98e7fe7cb",
              "versionType": "git"
            },
            {
              "lessThan": "36d32cfb00d42e865396424bb5d340fc0a28870d",
              "status": "affected",
              "version": "1e2fd202f8593985cdadca32e0c322f98e7fe7cb",
              "versionType": "git"
            },
            {
              "lessThan": "0df2e03e4620548b41891b4e0d1bd9d2e0d8a39a",
              "status": "affected",
              "version": "1e2fd202f8593985cdadca32e0c322f98e7fe7cb",
              "versionType": "git"
            },
            {
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              "status": "affected",
              "version": "1e2fd202f8593985cdadca32e0c322f98e7fe7cb",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/ntb/hw/mscc/ntb_hw_switchtec.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.16"
            },
            {
              "lessThan": "4.16",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.292",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.236",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.180",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.134",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.87",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.23",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.13.*",
              "status": "unaffected",
              "version": "6.13.11",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.14.*",
              "status": "unaffected",
              "version": "6.14.2",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.15",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.4.292",
                  "versionStartIncluding": "4.16",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.236",
                  "versionStartIncluding": "4.16",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.180",
                  "versionStartIncluding": "4.16",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.134",
                  "versionStartIncluding": "4.16",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.87",
                  "versionStartIncluding": "4.16",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.23",
                  "versionStartIncluding": "4.16",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.13.11",
                  "versionStartIncluding": "4.16",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.14.2",
                  "versionStartIncluding": "4.16",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.15",
                  "versionStartIncluding": "4.16",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nntb_hw_switchtec: Fix shift-out-of-bounds in switchtec_ntb_mw_set_trans\n\nThere is a kernel API ntb_mw_clear_trans() would pass 0 to both addr and\nsize. This would make xlate_pos negative.\n\n[   23.734156] switchtec switchtec0: MW 0: part 0 addr 0x0000000000000000 size 0x0000000000000000\n[   23.734158] ================================================================================\n[   23.734172] UBSAN: shift-out-of-bounds in drivers/ntb/hw/mscc/ntb_hw_switchtec.c:293:7\n[   23.734418] shift exponent -1 is negative\n\nEnsuring xlate_pos is a positive or zero before BIT."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 7.1,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H",
            "version": "3.1"
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "AV:A - In the highest reasonable Switchtec deployment, dual hosts share a PCIe NTB fabric; a peer link-down notifies ntb_transport, which calls ntb_free_mw \u2192 ntb_mw_clear_trans and hits the vulnerable path without needing local code execution on the victim.\nAC:L - Once ntb_transport has set up memory windows, bringing the NTB link down deterministically schedules link_cleanup and invokes clear_trans with addr=0/size=0; no race or uncontrolled layout is required.\nPR:N - A peer on the NTB fabric can force link-down and trigger cleanup without any account or capability on the victim host; local debugfs/module paths need root, but the peer path needs none.\nUI:N - Link-state handling and MW teardown run in kernel workqueues from the NTB event path; no separate victim user action is required after the NTB stack is in use.\nS:U - Impact stays in the local kernel/host authority; this is not a VM escape, IOMMU bypass, or other cross-boundary compromise.\nC:L - The undefined shift is used only inside IS_ALIGNED() and is not an out-of-bounds memory read; under the overestimate rule for UBSAN/UB shift faults, limited confidentiality impact is appropriate rather than None or High.\nI:N - The bad shift does not write kernel memory or reprogram windows with attacker-controlled data; on size==0 the function still takes the clear path, so there is no integrity/write primitive.\nA:H - UBSAN reports shift-out-of-bounds on this path, and with UBSAN_TRAP or panic_on_warn the fault becomes a kernel trap/panic, which is high availability impact."
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-05T09:12:28.373Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/f56951f211f181410a383d305e8d370993e45294"
        },
        {
          "url": "https://git.kernel.org/stable/c/5b6857bb3bfb0dae17fab1e42c1e82c204a508b1"
        },
        {
          "url": "https://git.kernel.org/stable/c/2429bdf26a0f3950fdd996861e9c1a3873af1dbe"
        },
        {
          "url": "https://git.kernel.org/stable/c/7ed22f8d8be26225a78cf5e85b2036421a6bf2d5"
        },
        {
          "url": "https://git.kernel.org/stable/c/c61a3f2df162ba424be0141649a9ef5f28eaccc1"
        },
        {
          "url": "https://git.kernel.org/stable/c/cb153bdc1812a3375639ed6ca5f147eaefb65349"
        },
        {
          "url": "https://git.kernel.org/stable/c/36d32cfb00d42e865396424bb5d340fc0a28870d"
        },
        {
          "url": "https://git.kernel.org/stable/c/0df2e03e4620548b41891b4e0d1bd9d2e0d8a39a"
        },
        {
          "url": "https://git.kernel.org/stable/c/de203da734fae00e75be50220ba5391e7beecdf9"
        }
      ],
      "title": "ntb_hw_switchtec: Fix shift-out-of-bounds in switchtec_ntb_mw_set_trans",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2023-53034",
    "datePublished": "2025-04-16T14:11:41.985Z",
    "dateReserved": "2025-03-27T16:40:15.758Z",
    "dateUpdated": "2026-08-05T09:12:28.373Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

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