Vulnerability-Lookup

GHSA-7R5W-CPW3-HWVW

Vulnerability from github – Published: 2024-05-20 12:30 – Updated: 2026-05-12 12:31

Details

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

Bluetooth: SCO: Fix not validating setsockopt user input

syzbot reported sco_sock_setsockopt() is copying data without checking user input length.

BUG: KASAN: slab-out-of-bounds in copy_from_sockptr_offset include/linux/sockptr.h:49 [inline] BUG: KASAN: slab-out-of-bounds in copy_from_sockptr include/linux/sockptr.h:55 [inline] BUG: KASAN: slab-out-of-bounds in sco_sock_setsockopt+0xc0b/0xf90 net/bluetooth/sco.c:893 Read of size 4 at addr ffff88805f7b15a3 by task syz-executor.5/12578

Severity

7.1 (High)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2024-35967"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-125"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-05-20T10:15:11Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: SCO: Fix not validating setsockopt user input\n\nsyzbot reported sco_sock_setsockopt() is copying data without\nchecking user input length.\n\nBUG: KASAN: slab-out-of-bounds in copy_from_sockptr_offset\ninclude/linux/sockptr.h:49 [inline]\nBUG: KASAN: slab-out-of-bounds in copy_from_sockptr\ninclude/linux/sockptr.h:55 [inline]\nBUG: KASAN: slab-out-of-bounds in sco_sock_setsockopt+0xc0b/0xf90\nnet/bluetooth/sco.c:893\nRead of size 4 at addr ffff88805f7b15a3 by task syz-executor.5/12578",
  "id": "GHSA-7r5w-cpw3-hwvw",
  "modified": "2026-05-12T12:31:51Z",
  "published": "2024-05-20T12:30:28Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-35967"
    },
    {
      "type": "WEB",
      "url": "https://cert-portal.siemens.com/productcert/html/ssa-265688.html"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2c2dc87cdebef3fe3b9d7a711a984c70e376e32e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/419a0ffca7010216f0fc265b08558d7394fa0ba7"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/51eda36d33e43201e7a4fd35232e069b2c850b01"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/72473db90900da970a16ee50ad23c2c38d107d8c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7bc65d23ba20dcd7ecc094a12c181e594e5eb315"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b0e30c37695b614bee69187f86eaf250e36606ce"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html"
    }
  ],
  "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:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2024-35967 (GCVE-0-2024-35967)

Vulnerability from cvelistv5 – Published: 2024-05-20 09:41 – Updated: 2026-08-05 11:31

Title

Bluetooth: SCO: Fix not validating setsockopt user input

Summary

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: SCO: Fix not validating setsockopt user input syzbot reported sco_sock_setsockopt() is copying data without checking user input length. BUG: KASAN: slab-out-of-bounds in copy_from_sockptr_offset include/linux/sockptr.h:49 [inline] BUG: KASAN: slab-out-of-bounds in copy_from_sockptr include/linux/sockptr.h:55 [inline] BUG: KASAN: slab-out-of-bounds in sco_sock_setsockopt+0xc0b/0xf90 net/bluetooth/sco.c:893 Read of size 4 at addr ffff88805f7b15a3 by task syz-executor.5/12578

Severity

7.1 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-05-20 17:01 UTC

Assigner

Linux CNA under the mitre root

CNA scorecard D 54/100 over 6633 records in the last 180 days details

References

8 references

URL	Tags
https://git.kernel.org/stable/c/b0e30c37695b614be…
https://git.kernel.org/stable/c/2c2dc87cdebef3fe3…
https://git.kernel.org/stable/c/7bc65d23ba20dcd7e…
https://git.kernel.org/stable/c/72473db90900da970…
https://git.kernel.org/stable/c/419a0ffca7010216f…
https://git.kernel.org/stable/c/51eda36d33e43201e…
https://lists.debian.org/debian-lts-announce/2024…	x_transferred
https://cert-portal.siemens.com/productcert/html/…

Impacted products

3 products

Vendor	Product	Version
Linux	Linux	Affected: b96e9c671b05f95126753a22145d4509d45ca197 , < b0e30c37695b614bee69187f86eaf250e36606ce (git) Affected: b96e9c671b05f95126753a22145d4509d45ca197 , < 2c2dc87cdebef3fe3b9d7a711a984c70e376e32e (git) Affected: b96e9c671b05f95126753a22145d4509d45ca197 , < 7bc65d23ba20dcd7ecc094a12c181e594e5eb315 (git) Affected: b96e9c671b05f95126753a22145d4509d45ca197 , < 72473db90900da970a16ee50ad23c2c38d107d8c (git) Affected: b96e9c671b05f95126753a22145d4509d45ca197 , < 419a0ffca7010216f0fc265b08558d7394fa0ba7 (git) Affected: b96e9c671b05f95126753a22145d4509d45ca197 , < 51eda36d33e43201e7a4fd35232e069b2c850b01 (git)
Linux	Linux	Affected: 3.8 Unaffected: 0 , < 3.8 (semver) Unaffected: 5.10.216 , ≤ 5.10.* (semver) Unaffected: 5.15.178 , ≤ 5.15.* (semver) Unaffected: 6.1.87 , ≤ 6.1.* (semver) Unaffected: 6.6.28 , ≤ 6.6.* (semver) Unaffected: 6.8.7 , ≤ 6.8.* (semver) Unaffected: 6.9 , ≤ * (original_commit_for_fix)
Siemens	SIMATIC S7-1500 TM MFP - GNU/Linux subsystem	Affected: 0 , < * (custom)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2024-35967",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-05-20T17:01:27.722344Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-06-04T17:33:26.743Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T03:21:49.126Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/b0e30c37695b614bee69187f86eaf250e36606ce"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/7bc65d23ba20dcd7ecc094a12c181e594e5eb315"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/72473db90900da970a16ee50ad23c2c38d107d8c"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/419a0ffca7010216f0fc265b08558d7394fa0ba7"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/51eda36d33e43201e7a4fd35232e069b2c850b01"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "affected": [
          {
            "defaultStatus": "unknown",
            "product": "SIMATIC S7-1500 TM MFP - GNU/Linux subsystem",
            "vendor": "Siemens",
            "versions": [
              {
                "lessThan": "*",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-12T11:53:18.152Z",
          "orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
          "shortName": "siemens-SADP"
        },
        "references": [
          {
            "url": "https://cert-portal.siemens.com/productcert/html/ssa-265688.html"
          }
        ],
        "x_adpType": "supplier"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "include/net/bluetooth/bluetooth.h",
            "net/bluetooth/sco.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "b0e30c37695b614bee69187f86eaf250e36606ce",
              "status": "affected",
              "version": "b96e9c671b05f95126753a22145d4509d45ca197",
              "versionType": "git"
            },
            {
              "lessThan": "2c2dc87cdebef3fe3b9d7a711a984c70e376e32e",
              "status": "affected",
              "version": "b96e9c671b05f95126753a22145d4509d45ca197",
              "versionType": "git"
            },
            {
              "lessThan": "7bc65d23ba20dcd7ecc094a12c181e594e5eb315",
              "status": "affected",
              "version": "b96e9c671b05f95126753a22145d4509d45ca197",
              "versionType": "git"
            },
            {
              "lessThan": "72473db90900da970a16ee50ad23c2c38d107d8c",
              "status": "affected",
              "version": "b96e9c671b05f95126753a22145d4509d45ca197",
              "versionType": "git"
            },
            {
              "lessThan": "419a0ffca7010216f0fc265b08558d7394fa0ba7",
              "status": "affected",
              "version": "b96e9c671b05f95126753a22145d4509d45ca197",
              "versionType": "git"
            },
            {
              "lessThan": "51eda36d33e43201e7a4fd35232e069b2c850b01",
              "status": "affected",
              "version": "b96e9c671b05f95126753a22145d4509d45ca197",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "include/net/bluetooth/bluetooth.h",
            "net/bluetooth/sco.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "3.8"
            },
            {
              "lessThan": "3.8",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.216",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.178",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.87",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.28",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.8.*",
              "status": "unaffected",
              "version": "6.8.7",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.9",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.216",
                  "versionStartIncluding": "3.8",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.178",
                  "versionStartIncluding": "3.8",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.87",
                  "versionStartIncluding": "3.8",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.28",
                  "versionStartIncluding": "3.8",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.8.7",
                  "versionStartIncluding": "3.8",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.9",
                  "versionStartIncluding": "3.8",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: SCO: Fix not validating setsockopt user input\n\nsyzbot reported sco_sock_setsockopt() is copying data without\nchecking user input length.\n\nBUG: KASAN: slab-out-of-bounds in copy_from_sockptr_offset\ninclude/linux/sockptr.h:49 [inline]\nBUG: KASAN: slab-out-of-bounds in copy_from_sockptr\ninclude/linux/sockptr.h:55 [inline]\nBUG: KASAN: slab-out-of-bounds in sco_sock_setsockopt+0xc0b/0xf90\nnet/bluetooth/sco.c:893\nRead of size 4 at addr ffff88805f7b15a3 by task syz-executor.5/12578"
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 7.1,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
            "version": "3.1"
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "AV:L - The flaw is triggered purely through the setsockopt(2) syscall on a locally created AF_BLUETOOTH/BTPROTO_SCO socket; no Bluetooth radio traffic, paired peer, or adapter link is involved in reaching the unvalidated copy.\nAC:L - Exploitation is fully deterministic and attacker-controlled \u2014 issue setsockopt(fd, SOL_BLUETOOTH, BT_PKT_STATUS/BT_DEFER_SETUP, buf, optlen\u003c4); no race, no timing window, and no memory-layout condition outside the attacker\u0027s influence.\nPR:L - sco_sock_create() and bt_sock_create() contain no capability check (unlike HCI raw sockets), so any unprivileged local user can open a SCO socket and call setsockopt; only the permissive security_socket_setsockopt() LSM hook sits on the path.\nUI:N - The attacker performs every step itself via its own socket; no victim action, mount, or file open is needed.\nS:U - The out-of-bounds access occurs in kernel slab memory within the same security authority; there is no VM, IOMMU, or sandbox boundary crossed.\nC:H - The bug is an out-of-bounds read of kernel heap memory past the end of the optval allocation, and the disclosed value is observable back in userspace because sco_sock_getsockopt() returns the BT_SK_DEFER_SETUP/BT_SK_PKT_STATUS bits, giving a repeatable oracle over adjacent kernel memory that can be combined with heap grooming to leak kernel data.\nI:N - The defect is a read past the end of a buffer; nothing is written out of bounds, and the leaked value only toggles a flag on the attacker\u0027s own socket, so no data outside the attacker\u0027s authority is modified.\nA:H - The slab out-of-bounds read triggers a KASAN BUG/panic on hardened and debug kernels and can fault when the copy crosses into an unmapped or guarded page, producing a kernel oops repeatable at will by an unprivileged user."
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-05T11:31:16.372Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/b0e30c37695b614bee69187f86eaf250e36606ce"
        },
        {
          "url": "https://git.kernel.org/stable/c/2c2dc87cdebef3fe3b9d7a711a984c70e376e32e"
        },
        {
          "url": "https://git.kernel.org/stable/c/7bc65d23ba20dcd7ecc094a12c181e594e5eb315"
        },
        {
          "url": "https://git.kernel.org/stable/c/72473db90900da970a16ee50ad23c2c38d107d8c"
        },
        {
          "url": "https://git.kernel.org/stable/c/419a0ffca7010216f0fc265b08558d7394fa0ba7"
        },
        {
          "url": "https://git.kernel.org/stable/c/51eda36d33e43201e7a4fd35232e069b2c850b01"
        }
      ],
      "title": "Bluetooth: SCO: Fix not validating setsockopt user input",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-35967",
    "datePublished": "2024-05-20T09:41:56.503Z",
    "dateReserved": "2024-05-17T13:50:33.140Z",
    "dateUpdated": "2026-08-05T11:31:16.372Z",
    "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.

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.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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.

Action not permitted

GHSA-7R5W-CPW3-HWVW

CVE-2024-35967 (GCVE-0-2024-35967)

Tags

Sightings

Nomenclature

Related by attack behaviour