CVE-2024-49929 (GCVE-0-2024-49929)

Vulnerability from cvelistv5 – Published: 2024-10-21 18:01 – Updated: 2026-05-11 20:42
VLAI
Title
wifi: iwlwifi: mvm: avoid NULL pointer dereference
Summary
In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: avoid NULL pointer dereference iwl_mvm_tx_skb_sta() and iwl_mvm_tx_mpdu() verify that the mvmvsta pointer is not NULL. It retrieves this pointer using iwl_mvm_sta_from_mac80211, which is dereferencing the ieee80211_sta pointer. If sta is NULL, iwl_mvm_sta_from_mac80211 will dereference a NULL pointer. Fix this by checking the sta pointer before retrieving the mvmsta from it. If sta is not NULL, then mvmsta isn't either.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-10-22 13:39 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 5b577a90fb3d86447ee86f8e0c6ddbd5da2ef8c9 , < cbc6fc9cfcde151ff5eadaefdc6155f99579384f (git)
Affected: 5b577a90fb3d86447ee86f8e0c6ddbd5da2ef8c9 , < 6dcadb2ed3b76623ab96e3e7fbeda1a374d01c28 (git)
Affected: 5b577a90fb3d86447ee86f8e0c6ddbd5da2ef8c9 , < cdbf51bfa4b0411820806777da36d93d49bc49a1 (git)
Affected: 5b577a90fb3d86447ee86f8e0c6ddbd5da2ef8c9 , < c0b4f5d94934c290479180868a32c15ba36a6d9e (git)
Affected: 5b577a90fb3d86447ee86f8e0c6ddbd5da2ef8c9 , < 557a6cd847645e667f3b362560bd7e7c09aac284 (git)
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Linux Linux Affected: 3.14
Unaffected: 0 , < 3.14 (semver)
Unaffected: 6.1.120 , ≤ 6.1.* (semver)
Unaffected: 6.6.55 , ≤ 6.6.* (semver)
Unaffected: 6.10.14 , ≤ 6.10.* (semver)
Unaffected: 6.11.3 , ≤ 6.11.* (semver)
Unaffected: 6.12 , ≤ * (original_commit_for_fix)
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              "programFiles": [
                "drivers/net/wireless/intel/iwlwifi/mvm/tx.c"
              ],
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "vendor": "Linux",
              "versions": [
                {
                  "status": "affected",
                  "version": "3.14"
                },
                {
                  "lessThan": "3.14",
                  "status": "unaffected",
                  "version": "0",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "6.1.*",
                  "status": "unaffected",
                  "version": "6.1.120",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "6.6.*",
                  "status": "unaffected",
                  "version": "6.6.55",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "6.10.*",
                  "status": "unaffected",
                  "version": "6.10.14",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "6.11.*",
                  "status": "unaffected",
                  "version": "6.11.3",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "*",
                  "status": "unaffected",
                  "version": "6.12",
                  "versionType": "original_commit_for_fix"
                }
              ]
            }
          ],
          "cpeApplicability": [
            {
              "nodes": [
                {
                  "cpeMatch": [
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.1.120",
                      "versionStartIncluding": "3.14",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.6.55",
                      "versionStartIncluding": "3.14",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.10.14",
                      "versionStartIncluding": "3.14",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.11.3",
                      "versionStartIncluding": "3.14",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.12",
                      "versionStartIncluding": "3.14",
                      "vulnerable": true
                    }
                  ],
                  "negate": false,
                  "operator": "OR"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwlwifi: mvm: avoid NULL pointer dereference\n\niwl_mvm_tx_skb_sta() and iwl_mvm_tx_mpdu() verify that the mvmvsta\npointer is not NULL.\nIt retrieves this pointer using iwl_mvm_sta_from_mac80211, which is\ndereferencing the ieee80211_sta pointer.\nIf sta is NULL, iwl_mvm_sta_from_mac80211 will dereference a NULL\npointer.\nFix this by checking the sta pointer before retrieving the mvmsta\nfrom it. If sta is not NULL, then mvmsta isn\u0027t either."
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2025-05-21T09:13:23.151Z",
            "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "shortName": "Linux"
          },
          "references": [
            {
              "url": "https://git.kernel.org/stable/c/cbc6fc9cfcde151ff5eadaefdc6155f99579384f"
            },
            {
              "url": "https://git.kernel.org/stable/c/6dcadb2ed3b76623ab96e3e7fbeda1a374d01c28"
            },
            {
              "url": "https://git.kernel.org/stable/c/cdbf51bfa4b0411820806777da36d93d49bc49a1"
            },
            {
              "url": "https://git.kernel.org/stable/c/c0b4f5d94934c290479180868a32c15ba36a6d9e"
            },
            {
              "url": "https://git.kernel.org/stable/c/557a6cd847645e667f3b362560bd7e7c09aac284"
            }
          ],
          "title": "wifi: iwlwifi: mvm: avoid NULL pointer dereference",
          "x_generator": {
            "engine": "bippy-1.2.0"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "assignerShortName": "Linux",
        "cveId": "CVE-2024-49929",
        "datePublished": "2024-10-21T18:01:52.450Z",
        "dateReserved": "2024-10-21T12:17:06.039Z",
        "dateUpdated": "2025-05-21T09:13:23.151Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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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.

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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.