github - ghsa-x9q5-r8hx-fx85

GHSA-X9Q5-R8HX-FX85

Vulnerability from github – Published: 2025-05-20 18:30 – Updated: 2025-11-17 15:30

Details

In the Linux kernel, the following vulnerability has been resolved:

libbpf: Fix accessing BTF.ext core_relo header

Update btf_ext_parse_info() to ensure the core_relo header is present before reading its fields. This avoids a potential buffer read overflow reported by the OSS Fuzz project.

Severity ?

5.5 (Medium)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2025-37939"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-120"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-05-20T16:15:31Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nlibbpf: Fix accessing BTF.ext core_relo header\n\nUpdate btf_ext_parse_info() to ensure the core_relo header is present\nbefore reading its fields. This avoids a potential buffer read overflow\nreported by the OSS Fuzz project.",
  "id": "GHSA-x9q5-r8hx-fx85",
  "modified": "2025-11-17T15:30:31Z",
  "published": "2025-05-20T18:30:55Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-37939"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0a7c2a84359612e54328aa52030eb202093da6e2"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3a67f60f0a8be10cea7a884a1a00e9feb6645657"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d529411ec44535308c5d59cbeff74be6fe14b479"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2025-37939 (GCVE-0-2025-37939)

Vulnerability from cvelistv5 – Published: 2025-05-20 15:34 – Updated: 2025-05-26 05:24

Summary

In the Linux kernel, the following vulnerability has been resolved: libbpf: Fix accessing BTF.ext core_relo header Update btf_ext_parse_info() to ensure the core_relo header is present before reading its fields. This avoids a potential buffer read overflow reported by the OSS Fuzz project.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/d529411ec44535308…
	https://git.kernel.org/stable/c/3a67f60f0a8be10ce…
	https://git.kernel.org/stable/c/0a7c2a84359612e54…

Impacted products

Vendor

Product

Version

Linux

Affected: cf579164e9ea9cd41c7c1da931683a319d224890 , < d529411ec44535308c5d59cbeff74be6fe14b479 (git)
Affected: cf579164e9ea9cd41c7c1da931683a319d224890 , < 3a67f60f0a8be10cea7a884a1a00e9feb6645657 (git)
Affected: cf579164e9ea9cd41c7c1da931683a319d224890 , < 0a7c2a84359612e54328aa52030eb202093da6e2 (git)

Linux

Affected: 6.13
Unaffected: 0 , < 6.13 (semver)
Unaffected: 6.13.11 , ≤ 6.13.* (semver)
Unaffected: 6.14.2 , ≤ 6.14.* (semver)
Unaffected: 6.15 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "tools/lib/bpf/btf.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "d529411ec44535308c5d59cbeff74be6fe14b479",
              "status": "affected",
              "version": "cf579164e9ea9cd41c7c1da931683a319d224890",
              "versionType": "git"
            },
            {
              "lessThan": "3a67f60f0a8be10cea7a884a1a00e9feb6645657",
              "status": "affected",
              "version": "cf579164e9ea9cd41c7c1da931683a319d224890",
              "versionType": "git"
            },
            {
              "lessThan": "0a7c2a84359612e54328aa52030eb202093da6e2",
              "status": "affected",
              "version": "cf579164e9ea9cd41c7c1da931683a319d224890",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "tools/lib/bpf/btf.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.13"
            },
            {
              "lessThan": "6.13",
              "status": "unaffected",
              "version": "0",
              "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": "6.13.11",
                  "versionStartIncluding": "6.13",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.14.2",
                  "versionStartIncluding": "6.13",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.15",
                  "versionStartIncluding": "6.13",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nlibbpf: Fix accessing BTF.ext core_relo header\n\nUpdate btf_ext_parse_info() to ensure the core_relo header is present\nbefore reading its fields. This avoids a potential buffer read overflow\nreported by the OSS Fuzz project."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-26T05:24:09.065Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/d529411ec44535308c5d59cbeff74be6fe14b479"
        },
        {
          "url": "https://git.kernel.org/stable/c/3a67f60f0a8be10cea7a884a1a00e9feb6645657"
        },
        {
          "url": "https://git.kernel.org/stable/c/0a7c2a84359612e54328aa52030eb202093da6e2"
        }
      ],
      "title": "libbpf: Fix accessing BTF.ext core_relo header",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-37939",
    "datePublished": "2025-05-20T15:34:41.511Z",
    "dateReserved": "2025-04-16T04:51:23.971Z",
    "dateUpdated": "2025-05-26T05:24:09.065Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

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.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-X9Q5-R8HX-FX85

CVE-2025-37939 (GCVE-0-2025-37939)

Tags

Sightings

Nomenclature