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.
Assigner
References
Impacted products
Vendor Product Version
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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      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-49929\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-10-22T13:39:18.933944Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-10-22T13:39:21.998Z\"}}], \"cna\": {\"title\": \"wifi: iwlwifi: mvm: avoid NULL pointer dereference\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"5b577a90fb3d86447ee86f8e0c6ddbd5da2ef8c9\", \"lessThan\": \"cbc6fc9cfcde151ff5eadaefdc6155f99579384f\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"5b577a90fb3d86447ee86f8e0c6ddbd5da2ef8c9\", \"lessThan\": \"6dcadb2ed3b76623ab96e3e7fbeda1a374d01c28\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"5b577a90fb3d86447ee86f8e0c6ddbd5da2ef8c9\", \"lessThan\": \"cdbf51bfa4b0411820806777da36d93d49bc49a1\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"5b577a90fb3d86447ee86f8e0c6ddbd5da2ef8c9\", \"lessThan\": \"c0b4f5d94934c290479180868a32c15ba36a6d9e\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"5b577a90fb3d86447ee86f8e0c6ddbd5da2ef8c9\", \"lessThan\": \"557a6cd847645e667f3b362560bd7e7c09aac284\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/net/wireless/intel/iwlwifi/mvm/tx.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"3.14\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"3.14\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"6.1.120\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.55\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.10.14\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.10.*\"}, {\"status\": \"unaffected\", \"version\": \"6.11.3\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.11.*\"}, {\"status\": \"unaffected\", \"version\": \"6.12\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/net/wireless/intel/iwlwifi/mvm/tx.c\"], \"defaultStatus\": \"affected\"}], \"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\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"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.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.120\", \"versionStartIncluding\": \"3.14\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.55\", \"versionStartIncluding\": \"3.14\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.10.14\", \"versionStartIncluding\": \"3.14\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.11.3\", \"versionStartIncluding\": \"3.14\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.12\", \"versionStartIncluding\": \"3.14\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-21T09:13:23.151Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-49929\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-05-21T09:13:23.151Z\", \"dateReserved\": \"2024-10-21T12:17:06.039Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-10-21T18:01:52.450Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Taxonomy of the tags.





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.