cve-2024-36922
Vulnerability from cvelistv5
Published
2024-05-30 15:29
Modified
2024-11-05 09:28
Severity ?
Summary
wifi: iwlwifi: read txq->read_ptr under lock
Impacted products
Vendor Product Version
Linux Linux
Show details on NVD website


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          "dateUpdated": "2024-08-02T03:43:49.981Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        "metrics": [
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              "content": {
                "id": "CVE-2024-36922",
                "options": [
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                    "Exploitation": "none"
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    "cna": {
      "affected": [
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          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/wireless/intel/iwlwifi/queue/tx.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwlwifi: read txq-\u003eread_ptr under lock\n\nIf we read txq-\u003eread_ptr without lock, we can read the same\nvalue twice, then obtain the lock, and reclaim from there\nto two different places, but crucially reclaim the same\nentry twice, resulting in the WARN_ONCE() a little later.\nFix that by reading txq-\u003eread_ptr under lock."
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          "url": "https://git.kernel.org/stable/c/c2ace6300600c634553657785dfe5ea0ed688ac2"
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      "title": "wifi: iwlwifi: read txq-\u003eread_ptr under lock",
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-36922",
    "datePublished": "2024-05-30T15:29:16.852Z",
    "dateReserved": "2024-05-30T15:25:07.068Z",
    "dateUpdated": "2024-11-05T09:28:08.549Z",
    "state": "PUBLISHED"
  },
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    "nvd": "{\"cve\":{\"id\":\"CVE-2024-36922\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-30T16:15:15.470\",\"lastModified\":\"2024-11-21T09:22:49.503\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nwifi: iwlwifi: read txq-\u003eread_ptr under lock\\n\\nIf we read txq-\u003eread_ptr without lock, we can read the same\\nvalue twice, then obtain the lock, and reclaim from there\\nto two different places, but crucially reclaim the same\\nentry twice, resulting in the WARN_ONCE() a little later.\\nFix that by reading txq-\u003eread_ptr under lock.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: wifi: iwlwifi: leer txq-\u0026gt;read_ptr bajo bloqueo Si leemos txq-\u0026gt;read_ptr sin bloqueo, podemos leer el mismo valor dos veces, luego obtener el bloqueo y reclamar desde all\u00ed a dos lugares diferentes, pero fundamentalmente reclama la misma entrada dos veces, lo que resulta en WARN_ONCE() un poco m\u00e1s tarde. Solucione eso leyendo txq-\u0026gt;read_ptr bajo bloqueo.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/43d07103df670484cdd26f9588eabef80f69db89\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/b83db8e756dec68a950ed2f056248b1704b3deaa\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/c2ace6300600c634553657785dfe5ea0ed688ac2\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/43d07103df670484cdd26f9588eabef80f69db89\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/b83db8e756dec68a950ed2f056248b1704b3deaa\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/c2ace6300600c634553657785dfe5ea0ed688ac2\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}"
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}


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