Vulnerability-Lookup

FKIE_CVE-2024-35998

Vulnerability from fkie_nvd - Published: 2024-05-20 10:15 - Updated: 2026-08-04 11:18

Severity

7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Summary

In the Linux kernel, the following vulnerability has been resolved: smb3: fix lock ordering potential deadlock in cifs_sync_mid_result Coverity spotted that the cifs_sync_mid_result function could deadlock "Thread deadlock (ORDER_REVERSAL) lock_order: Calling spin_lock acquires lock TCP_Server_Info.srv_lock while holding lock TCP_Server_Info.mid_lock" Addresses-Coverity: 1590401 ("Thread deadlock (ORDER_REVERSAL)")

References

URL	Tags
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/699f8958dece132709c0bff6a9700999a2a63b75	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/8248224ab5b8ca7559b671917c224296a4d671fc	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/8861fd5180476f45f9e8853db154600469a0284f	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/c7a4bca289e50bb4b2650f845c41bb3e453f4c66	Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/699f8958dece132709c0bff6a9700999a2a63b75	Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/8248224ab5b8ca7559b671917c224296a4d671fc	Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/8861fd5180476f45f9e8853db154600469a0284f	Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/c7a4bca289e50bb4b2650f845c41bb3e453f4c66	Patch

Impacted products

Vendor	Product	Version
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	6.9
linux	linux_kernel	6.9
linux	linux_kernel	6.9
linux	linux_kernel	6.9
linux	linux_kernel	6.9

JSON

To clipboard

{
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          "product": "Linux",
          "programFiles": [
            "fs/smb/client/transport.c"
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      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsmb3: fix lock ordering potential deadlock in cifs_sync_mid_result\n\nCoverity spotted that the cifs_sync_mid_result function could deadlock\n\n\"Thread deadlock (ORDER_REVERSAL) lock_order: Calling spin_lock acquires\nlock TCP_Server_Info.srv_lock while holding lock TCP_Server_Info.mid_lock\"\n\nAddresses-Coverity: 1590401 (\"Thread deadlock (ORDER_REVERSAL)\")"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: smb3: corrige el posible interbloqueo en el orden de bloqueo en cifs_sync_mid_result Coverity detect\u00f3 que la funci\u00f3n cifs_sync_mid_result podr\u00eda interbloquearse \"Interbloqueo de subprocesos (ORDER_REVERSAL) lock_order: llamar a spin_lock adquiere el bloqueo TCP_Server_Info.srv_lock mientras mantiene el bloqueo TCP_Server_Info.mid_lock \"Direcciones-Cobertura: 1590401 (\"Estancamiento del hilo (ORDER_REVERSAL)\")"
    }
  ],
  "id": "CVE-2024-35998",
  "lastModified": "2026-08-04T11:18:20.397",
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}

CVE-2024-35998 (GCVE-0-2024-35998)

Vulnerability from cvelistv5 – Published: 2024-05-20 09:48 – Updated: 2026-08-05 11:31

Title

smb3: fix lock ordering potential deadlock in cifs_sync_mid_result

Summary

Severity

7.5 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-05-20 15:02 UTC

Assigner

Linux mitre root

References

4 references

URL	Tags
https://git.kernel.org/stable/c/c7a4bca289e50bb4b…
https://git.kernel.org/stable/c/699f8958dece13270…
https://git.kernel.org/stable/c/8248224ab5b8ca755…
https://git.kernel.org/stable/c/8861fd5180476f45f…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 64d62ac6d6514cba1305bd08e271ec1843bdd612 , < c7a4bca289e50bb4b2650f845c41bb3e453f4c66 (git) Affected: 90c49fce1c43e1cc152695e20363ff5087897c09 , < 699f8958dece132709c0bff6a9700999a2a63b75 (git) Affected: 90c49fce1c43e1cc152695e20363ff5087897c09 , < 8248224ab5b8ca7559b671917c224296a4d671fc (git) Affected: 90c49fce1c43e1cc152695e20363ff5087897c09 , < 8861fd5180476f45f9e8853db154600469a0284f (git) Affected: c511954bf142fe1995aec3c739a9f1a76990283a (git) Affected: 0b08c4c499200be67d54c439d56e5ea866869945 (git) Affected: 6.1.28 , < 6.1.90 (semver) Affected: 6.2.15 , < 6.3 (semver) Affected: 6.3.2 , < 6.4 (semver)
Linux	Linux	Affected: 6.4 Unaffected: 0 , < 6.4 (semver) Unaffected: 6.1.90 , ≤ 6.1.* (semver) Unaffected: 6.6.30 , ≤ 6.6.* (semver) Unaffected: 6.8.9 , ≤ 6.8.* (semver) Unaffected: 6.9 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
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        "metrics": [
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                "id": "CVE-2024-35998",
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                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-05-20T15:02:37.597444Z",
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                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionStartIncluding": "6.3.2",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsmb3: fix lock ordering potential deadlock in cifs_sync_mid_result\n\nCoverity spotted that the cifs_sync_mid_result function could deadlock\n\n\"Thread deadlock (ORDER_REVERSAL) lock_order: Calling spin_lock acquires\nlock TCP_Server_Info.srv_lock while holding lock TCP_Server_Info.mid_lock\"\n\nAddresses-Coverity: 1590401 (\"Thread deadlock (ORDER_REVERSAL)\")"
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "AV:N - Both halves of the lock-order reversal are driven by SMB3 response frames received from the remote server \u2014 `smb2_decrypt_offload()` runs on server-supplied encrypted read payloads, and the mid states examined in `cifs_sync_mid_result()` are set solely by response parsing (`dequeue_mid()`, `handle_read_data()`). A malicious, compromised, or MITM\u0027d SMB server reaches the code purely over the network, matching this CNA\u0027s AV:N treatment of other cifs-client bugs (CVE-2024-39468, CVE-2024-42256).\nAC:L - The remote server controls both sides of the race \u2014 it chooses response size, encryption, timing, and error status, so it can drive `smb2_decrypt_offload()` into its `srv_lock`\u2192`mid_lock` branch on one CPU while forcing an unexpected mid state into `cifs_sync_mid_result()`\u0027s `mid_lock`\u2192`srv_lock` path on another, and it can repeat this indefinitely. Where the attacker creates the race, AC is Low.\nPR:N - The attacker is the remote SMB peer (or a network attacker able to spoof/hijack the SMB connection); no account, credential, or local privilege on the victim host is required to send the responses that trigger the deadlock.\nUI:N - Exploitation needs no victim action \u2014 the CIFS share is already mounted as a normal deployment condition (fstab/automount), and ordinary background I/O supplies the requests whose responses the attacker manipulates.\nS:U - The deadlock is confined to the kernel of the affected client machine; no VM, IOMMU, or sandbox boundary is crossed.\nC:N - The bug is purely a lock acquisition-order violation \u2014 no memory is read out of bounds, no freed object is accessed, and no data is disclosed.\nI:N - No memory corruption, out-of-bounds write, or data modification occurs; the flaw only affects the order in which two spinlocks are taken.\nA:H - An ABBA deadlock on `srv_lock`/`mid_lock` permanently wedges two CPUs spinning with preemption disabled while holding both locks, hanging all CIFS I/O and every subsequent taker of either lock, resulting in a hard lockup/panic."
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-05T11:31:29.368Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/c7a4bca289e50bb4b2650f845c41bb3e453f4c66"
        },
        {
          "url": "https://git.kernel.org/stable/c/699f8958dece132709c0bff6a9700999a2a63b75"
        },
        {
          "url": "https://git.kernel.org/stable/c/8248224ab5b8ca7559b671917c224296a4d671fc"
        },
        {
          "url": "https://git.kernel.org/stable/c/8861fd5180476f45f9e8853db154600469a0284f"
        }
      ],
      "title": "smb3: fix lock ordering potential deadlock in cifs_sync_mid_result",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-35998",
    "datePublished": "2024-05-20T09:48:01.009Z",
    "dateReserved": "2024-05-17T13:50:33.148Z",
    "dateUpdated": "2026-08-05T11:31:29.368Z",
    "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.

Detection rules are retrieved from Rulezet.

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.

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FKIE_CVE-2024-35998

CVE-2024-35998 (GCVE-0-2024-35998)

Tags

Sightings

Nomenclature