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CVE-2025-71147 (GCVE-0-2025-71147)

Vulnerability from cvelistv5 – Published: 2026-01-23 14:15 – Updated: 2026-06-11 18:44
VLAI
Title
KEYS: trusted: Fix a memory leak in tpm2_load_cmd
Summary
In the Linux kernel, the following vulnerability has been resolved: KEYS: trusted: Fix a memory leak in tpm2_load_cmd 'tpm2_load_cmd' allocates a tempoary blob indirectly via 'tpm2_key_decode' but it is not freed in the failure paths. Address this by wrapping the blob into with a cleanup helper.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-10 20:41 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: f2219745250f388edacabe6cca73654131c67d0a , < 3fd7df4636d8fd5e3592371967a5941204368936 (git)
Affected: f2219745250f388edacabe6cca73654131c67d0a , < af0689cafb127a8d1af78cc8b72585c9b2a19ecd (git)
Affected: f2219745250f388edacabe6cca73654131c67d0a , < 19166de9737218b77122c41a5730ac87025e089f (git)
Affected: f2219745250f388edacabe6cca73654131c67d0a , < 9b015f2918b95bdde2ca9cefa10ef02b138aae1e (git)
Affected: f2219745250f388edacabe6cca73654131c67d0a , < 9e7c63c69f57b1db1a8a1542359a6167ff8fcef1 (git)
Affected: f2219745250f388edacabe6cca73654131c67d0a , < 62cd5d480b9762ce70d720a81fa5b373052ae05f (git)
guessed Create a notification for this product.
Linux Linux Affected: 5.13
Unaffected: 0 , < 5.13 (semver)
Unaffected: 5.15.198 , ≤ 5.15.* (semver)
Unaffected: 6.1.160 , ≤ 6.1.* (semver)
Unaffected: 6.6.120 , ≤ 6.6.* (semver)
Unaffected: 6.12.64 , ≤ 6.12.* (semver)
Unaffected: 6.18.3 , ≤ 6.18.* (semver)
Unaffected: 6.19 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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            "providerMetadata": {
              "dateUpdated": "2026-06-11T17:38:57.318Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "defaultStatus": "unaffected",
              "product": "Linux",
              "programFiles": [
                "security/keys/trusted-keys/trusted_tpm2.c"
              ],
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "vendor": "Linux",
              "versions": [
                {
                  "lessThan": "3fd7df4636d8fd5e3592371967a5941204368936",
                  "status": "affected",
                  "version": "f2219745250f388edacabe6cca73654131c67d0a",
                  "versionType": "git"
                },
                {
                  "lessThan": "af0689cafb127a8d1af78cc8b72585c9b2a19ecd",
                  "status": "affected",
                  "version": "f2219745250f388edacabe6cca73654131c67d0a",
                  "versionType": "git"
                },
                {
                  "lessThan": "19166de9737218b77122c41a5730ac87025e089f",
                  "status": "affected",
                  "version": "f2219745250f388edacabe6cca73654131c67d0a",
                  "versionType": "git"
                },
                {
                  "lessThan": "9b015f2918b95bdde2ca9cefa10ef02b138aae1e",
                  "status": "affected",
                  "version": "f2219745250f388edacabe6cca73654131c67d0a",
                  "versionType": "git"
                },
                {
                  "lessThan": "9e7c63c69f57b1db1a8a1542359a6167ff8fcef1",
                  "status": "affected",
                  "version": "f2219745250f388edacabe6cca73654131c67d0a",
                  "versionType": "git"
                },
                {
                  "lessThan": "62cd5d480b9762ce70d720a81fa5b373052ae05f",
                  "status": "affected",
                  "version": "f2219745250f388edacabe6cca73654131c67d0a",
                  "versionType": "git"
                }
              ]
            },
            {
              "defaultStatus": "affected",
              "product": "Linux",
              "programFiles": [
                "security/keys/trusted-keys/trusted_tpm2.c"
              ],
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "vendor": "Linux",
              "versions": [
                {
                  "status": "affected",
                  "version": "5.13"
                },
                {
                  "lessThan": "5.13",
                  "status": "unaffected",
                  "version": "0",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "5.15.*",
                  "status": "unaffected",
                  "version": "5.15.198",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "6.1.*",
                  "status": "unaffected",
                  "version": "6.1.160",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "6.6.*",
                  "status": "unaffected",
                  "version": "6.6.120",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "6.12.*",
                  "status": "unaffected",
                  "version": "6.12.64",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "6.18.*",
                  "status": "unaffected",
                  "version": "6.18.3",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "*",
                  "status": "unaffected",
                  "version": "6.19",
                  "versionType": "original_commit_for_fix"
                }
              ]
            }
          ],
          "cpeApplicability": [
            {
              "nodes": [
                {
                  "cpeMatch": [
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.15.198",
                      "versionStartIncluding": "5.13",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.1.160",
                      "versionStartIncluding": "5.13",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.6.120",
                      "versionStartIncluding": "5.13",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.12.64",
                      "versionStartIncluding": "5.13",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.18.3",
                      "versionStartIncluding": "5.13",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.19",
                      "versionStartIncluding": "5.13",
                      "vulnerable": true
                    }
                  ],
                  "negate": false,
                  "operator": "OR"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nKEYS: trusted: Fix a memory leak in tpm2_load_cmd\n\n\u0027tpm2_load_cmd\u0027 allocates a tempoary blob indirectly via \u0027tpm2_key_decode\u0027\nbut it is not freed in the failure paths. Address this by wrapping the blob\ninto with a cleanup helper."
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-05-11T21:55:53.398Z",
            "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "shortName": "Linux"
          },
          "references": [
            {
              "url": "https://git.kernel.org/stable/c/3fd7df4636d8fd5e3592371967a5941204368936"
            },
            {
              "url": "https://git.kernel.org/stable/c/af0689cafb127a8d1af78cc8b72585c9b2a19ecd"
            },
            {
              "url": "https://git.kernel.org/stable/c/19166de9737218b77122c41a5730ac87025e089f"
            },
            {
              "url": "https://git.kernel.org/stable/c/9b015f2918b95bdde2ca9cefa10ef02b138aae1e"
            },
            {
              "url": "https://git.kernel.org/stable/c/9e7c63c69f57b1db1a8a1542359a6167ff8fcef1"
            },
            {
              "url": "https://git.kernel.org/stable/c/62cd5d480b9762ce70d720a81fa5b373052ae05f"
            }
          ],
          "title": "KEYS: trusted: Fix a memory leak in tpm2_load_cmd",
          "x_generator": {
            "engine": "bippy-1.2.0"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "assignerShortName": "Linux",
        "cveId": "CVE-2025-71147",
        "datePublished": "2026-01-23T14:15:13.945Z",
        "dateReserved": "2026-01-13T15:30:19.662Z",
        "dateUpdated": "2026-06-11T18:44:18.432Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

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.