CVE-2025-38188 (GCVE-0-2025-38188)
Vulnerability from cvelistv5
Published
2025-07-04 13:37
Modified
2025-07-28 04:14
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/msm/a7xx: Call CP_RESET_CONTEXT_STATE Calling this packet is necessary when we switch contexts because there are various pieces of state used by userspace to synchronize between BR and BV that are persistent across submits and we need to make sure that they are in a "safe" state when switching contexts. Otherwise a userspace submission in one context could cause another context to function incorrectly and hang, effectively a denial of service (although without leaking data). This was missed during initial a7xx bringup. Patchwork: https://patchwork.freedesktop.org/patch/654924/
References
Impacted products
Vendor Product Version
Linux Linux Version: af66706accdf5afef45204afc87037f876e0665c
Version: af66706accdf5afef45204afc87037f876e0665c
Version: af66706accdf5afef45204afc87037f876e0665c
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{
  "containers": {
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      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/msm/adreno/a6xx_gpu.c"
          ],
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          "vendor": "Linux",
          "versions": [
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              "version": "6.7"
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              "version": "0",
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              "status": "unaffected",
              "version": "6.12.35",
              "versionType": "semver"
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            {
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              "status": "unaffected",
              "version": "6.15.4",
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            },
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              "status": "unaffected",
              "version": "6.16",
              "versionType": "original_commit_for_fix"
            }
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      ],
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                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/msm/a7xx: Call CP_RESET_CONTEXT_STATE\n\nCalling this packet is necessary when we switch contexts because there\nare various pieces of state used by userspace to synchronize between BR\nand BV that are persistent across submits and we need to make sure that\nthey are in a \"safe\" state when switching contexts. Otherwise a\nuserspace submission in one context could cause another context to\nfunction incorrectly and hang, effectively a denial of service (although\nwithout leaking data). This was missed during initial a7xx bringup.\n\nPatchwork: https://patchwork.freedesktop.org/patch/654924/"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-07-28T04:14:34.008Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/8a1f52651dd8203695d293c6824d8f6c067877d1"
        },
        {
          "url": "https://git.kernel.org/stable/c/35fe72f3c425bbf1d580bd9066e2456b1dbae4a8"
        },
        {
          "url": "https://git.kernel.org/stable/c/2b520c6104f34e3a548525173c38ebca4402cac3"
        }
      ],
      "title": "drm/msm/a7xx: Call CP_RESET_CONTEXT_STATE",
      "x_generator": {
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  },
  "cveMetadata": {
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    "assignerShortName": "Linux",
    "cveId": "CVE-2025-38188",
    "datePublished": "2025-07-04T13:37:13.761Z",
    "dateReserved": "2025-04-16T04:51:23.992Z",
    "dateUpdated": "2025-07-28T04:14:34.008Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-38188\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-07-04T14:15:25.760\",\"lastModified\":\"2025-07-08T16:18:53.607\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ndrm/msm/a7xx: Call CP_RESET_CONTEXT_STATE\\n\\nCalling this packet is necessary when we switch contexts because there\\nare various pieces of state used by userspace to synchronize between BR\\nand BV that are persistent across submits and we need to make sure that\\nthey are in a \\\"safe\\\" state when switching contexts. Otherwise a\\nuserspace submission in one context could cause another context to\\nfunction incorrectly and hang, effectively a denial of service (although\\nwithout leaking data). This was missed during initial a7xx bringup.\\n\\nPatchwork: https://patchwork.freedesktop.org/patch/654924/\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/msm/a7xx: Llamada a CP_RESET_CONTEXT_STATE. Llamar a este paquete es necesario al cambiar de contexto, ya que el espacio de usuario utiliza varios fragmentos de estado para sincronizar entre BR y BV que son persistentes entre env\u00edos, y debemos asegurarnos de que est\u00e9n en un estado seguro al cambiar de contexto. De lo contrario, un env\u00edo del espacio de usuario en un contexto podr\u00eda provocar que otro contexto funcione incorrectamente y se cuelgue, lo que constituye una denegaci\u00f3n de servicio (aunque sin fugas de datos). Esto se pas\u00f3 por alto durante la activaci\u00f3n inicial de a7xx. Patchwork: https://patchwork.freedesktop.org/patch/654924/\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/2b520c6104f34e3a548525173c38ebca4402cac3\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/35fe72f3c425bbf1d580bd9066e2456b1dbae4a8\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/8a1f52651dd8203695d293c6824d8f6c067877d1\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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