CVE-2024-49860 (GCVE-0-2024-49860)

Vulnerability from cvelistv5 – Published: 2024-10-21 12:27 – Updated: 2026-08-05 11:40
VLAI
Title
ACPI: sysfs: validate return type of _STR method
Summary
In the Linux kernel, the following vulnerability has been resolved: ACPI: sysfs: validate return type of _STR method Only buffer objects are valid return values of _STR. If something else is returned description_show() will access invalid memory.
Severity
7.3 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-10-21 12:55 UTC
Assigner
Linux CNA under the mitre root
CNA scorecard D 54/100 over 6618 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: d1efe3c324ead77d3f6cd85093b50f6bd2e17aba , < 92fd5209fc014405f63a7db79802ca4b01dc0c05 (git)
Affected: d1efe3c324ead77d3f6cd85093b50f6bd2e17aba , < 2364b6af90c6b6d8a4783e0d3481ca80af699554 (git)
Affected: d1efe3c324ead77d3f6cd85093b50f6bd2e17aba , < 4b081991c4363e072e1748efed0bbec8a77daba5 (git)
Affected: d1efe3c324ead77d3f6cd85093b50f6bd2e17aba , < 0cdfb9178a3bba843c95c2117c82c15f1a64b9ce (git)
Affected: d1efe3c324ead77d3f6cd85093b50f6bd2e17aba , < 5c8d007c14aefc3f2ddf71e4c40713733dc827be (git)
Affected: d1efe3c324ead77d3f6cd85093b50f6bd2e17aba , < f0921ecd4ddc14646bb5511f49db4d7d3b0829f0 (git)
Affected: d1efe3c324ead77d3f6cd85093b50f6bd2e17aba , < f51e5a88f2e7224858b261546cf6b3037dfb1323 (git)
Affected: d1efe3c324ead77d3f6cd85093b50f6bd2e17aba , < f51f711d36e61fbb87c67b524fd200e05172668d (git)
Affected: d1efe3c324ead77d3f6cd85093b50f6bd2e17aba , < 4bb1e7d027413835b086aed35bc3f0713bc0f72b (git)
guessed Create a notification for this product.
Linux Linux Affected: 3.7
Unaffected: 0 , < 3.7 (semver)
Unaffected: 4.19.323 , ≤ 4.19.* (semver)
Unaffected: 5.4.285 , ≤ 5.4.* (semver)
Unaffected: 5.10.227 , ≤ 5.10.* (semver)
Unaffected: 5.15.168 , ≤ 5.15.* (semver)
Unaffected: 6.1.113 , ≤ 6.1.* (semver)
Unaffected: 6.6.54 , ≤ 6.6.* (semver)
Unaffected: 6.10.13 , ≤ 6.10.* (semver)
Unaffected: 6.11.2 , ≤ 6.11.* (semver)
Unaffected: 6.12 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.12",
                      "versionStartIncluding": "3.7",
                      "vulnerable": true
                    }
                  ],
                  "negate": false,
                  "operator": "OR"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nACPI: sysfs: validate return type of _STR method\n\nOnly buffer objects are valid return values of _STR.\n\nIf something else is returned description_show() will access invalid\nmemory."
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2025-05-04T09:39:44.814Z",
            "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "shortName": "Linux"
          },
          "references": [
            {
              "url": "https://git.kernel.org/stable/c/92fd5209fc014405f63a7db79802ca4b01dc0c05"
            },
            {
              "url": "https://git.kernel.org/stable/c/2364b6af90c6b6d8a4783e0d3481ca80af699554"
            },
            {
              "url": "https://git.kernel.org/stable/c/4b081991c4363e072e1748efed0bbec8a77daba5"
            },
            {
              "url": "https://git.kernel.org/stable/c/0cdfb9178a3bba843c95c2117c82c15f1a64b9ce"
            },
            {
              "url": "https://git.kernel.org/stable/c/5c8d007c14aefc3f2ddf71e4c40713733dc827be"
            },
            {
              "url": "https://git.kernel.org/stable/c/f0921ecd4ddc14646bb5511f49db4d7d3b0829f0"
            },
            {
              "url": "https://git.kernel.org/stable/c/f51e5a88f2e7224858b261546cf6b3037dfb1323"
            },
            {
              "url": "https://git.kernel.org/stable/c/f51f711d36e61fbb87c67b524fd200e05172668d"
            },
            {
              "url": "https://git.kernel.org/stable/c/4bb1e7d027413835b086aed35bc3f0713bc0f72b"
            }
          ],
          "title": "ACPI: sysfs: validate return type of _STR method",
          "x_generator": {
            "engine": "bippy-1.2.0"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "assignerShortName": "Linux",
        "cveId": "CVE-2024-49860",
        "datePublished": "2024-10-21T12:27:18.640Z",
        "dateReserved": "2024-10-21T12:17:06.017Z",
        "dateUpdated": "2025-11-03T22:22:30.053Z",
        "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

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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.



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.