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CVE-2024-35983 (GCVE-0-2024-35983)

Vulnerability from cvelistv5 – Published: 2024-05-20 09:47 – Updated: 2026-05-23 15:45
VLAI
Title
bounds: Use the right number of bits for power-of-two CONFIG_NR_CPUS
Summary
In the Linux kernel, the following vulnerability has been resolved: bounds: Use the right number of bits for power-of-two CONFIG_NR_CPUS bits_per() rounds up to the next power of two when passed a power of two. This causes crashes on some machines and configurations.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-05-20 13:33 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: d6077e0d38b4953c863d0db4a5b3f41d21e0d546 , < d34a516f2635090d36a306f84573e8de3d7374ce (git)
Affected: 83a2275f9d3230c761014b1467888b1ef469be74 , < 66297b2ceda841f809637731d287bda3a93b49d8 (git)
Affected: d2a7a81088c6abe778b0a93a7eeb79487a943818 , < 93ba36238db6a74a82feb3dc476e25ea424ad630 (git)
Affected: 428ca0000f0abd5c99354c52a36becf2b815ca21 , < 9b7c5004d7c5ae062134052a85290869a015814c (git)
Affected: b46c822f8b555b9513df44047b0e72c06720df62 , < 15aa09d6d84629eb5296de30ac0aa19a33512f16 (git)
Affected: cf778fff03be1ee88c49b72959650147573c3301 , < ebfe41889b762f1933c6762f6624b9724a25bee0 (git)
Affected: f2d5dcb48f7ba9e3ff249d58fc1fa963d374e66a , < 5af385f5f4cddf908f663974847a4083b2ff2c79 (git)
Affected: b2e1b090a590d41abe647eadb6bf2a5dc47b63ab (git)
Affected: 6.7.12 , < 6.8 (semver)
guessed Create a notification for this product.
Linux Linux Affected: 5.4.274 , < 5.4.275 (semver)
Affected: 5.10.215 , < 5.10.216 (semver)
Affected: 5.15.154 , < 5.15.158 (semver)
Affected: 6.1.84 , < 6.1.90 (semver)
Affected: 6.6.24 , < 6.6.30 (semver)
Affected: 6.8.3 , < 6.8.9 (semver)
guessed Create a notification for this product.
Siemens RUGGEDCOM RST2428P Affected: 0 , < V3.1 (custom)
guessed Create a notification for this product.
Siemens SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family Unaffected: 0 , < * (custom)
guessed Create a notification for this product.
Siemens SCALANCE XCM-/XRM-/XCH-/XRH-300 family Affected: 0 , < V3.1 (custom)
guessed Create a notification for this product.
Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem Affected: 0 , < * (custom)
guessed Create a notification for this product.
Show details on NVD website
To clipboard 

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                      "versionEndExcluding": "6.8.9",
                      "versionStartIncluding": "6.8.3",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionStartIncluding": "6.7.12",
                      "vulnerable": true
                    }
                  ],
                  "negate": false,
                  "operator": "OR"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbounds: Use the right number of bits for power-of-two CONFIG_NR_CPUS\n\nbits_per() rounds up to the next power of two when passed a power of\ntwo.  This causes crashes on some machines and configurations."
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-05-23T15:45:42.977Z",
            "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "shortName": "Linux"
          },
          "references": [
            {
              "url": "https://git.kernel.org/stable/c/d34a516f2635090d36a306f84573e8de3d7374ce"
            },
            {
              "url": "https://git.kernel.org/stable/c/66297b2ceda841f809637731d287bda3a93b49d8"
            },
            {
              "url": "https://git.kernel.org/stable/c/93ba36238db6a74a82feb3dc476e25ea424ad630"
            },
            {
              "url": "https://git.kernel.org/stable/c/9b7c5004d7c5ae062134052a85290869a015814c"
            },
            {
              "url": "https://git.kernel.org/stable/c/15aa09d6d84629eb5296de30ac0aa19a33512f16"
            },
            {
              "url": "https://git.kernel.org/stable/c/ebfe41889b762f1933c6762f6624b9724a25bee0"
            },
            {
              "url": "https://git.kernel.org/stable/c/5af385f5f4cddf908f663974847a4083b2ff2c79"
            }
          ],
          "title": "bounds: Use the right number of bits for power-of-two CONFIG_NR_CPUS",
          "x_generator": {
            "engine": "bippy-1.2.0"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "assignerShortName": "Linux",
        "cveId": "CVE-2024-35983",
        "datePublished": "2024-05-20T09:47:51.079Z",
        "dateReserved": "2024-05-17T13:50:33.145Z",
        "dateUpdated": "2026-05-23T15:45:42.977Z",
        "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.