{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "sound/core/timer.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "15291b561d8cc835a2eea76b394070cf8e072771",
              "status": "affected",
              "version": "3923de04c81733b30b8ed667569632272fdfed9a",
              "versionType": "git"
            },
            {
              "lessThan": "296f7a9e15aab276db11206cbc1e2ae1215d7862",
              "status": "affected",
              "version": "3923de04c81733b30b8ed667569632272fdfed9a",
              "versionType": "git"
            },
            {
              "lessThan": "b074f47e55df93832bbbca1b524c501e6fea1c0d",
              "status": "affected",
              "version": "3923de04c81733b30b8ed667569632272fdfed9a",
              "versionType": "git"
            },
            {
              "lessThan": "3424c8f53bc63c87712a7fc22dc13d0cc85fb0d6",
              "status": "affected",
              "version": "3923de04c81733b30b8ed667569632272fdfed9a",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "sound/core/timer.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.9"
            },
            {
              "lessThan": "6.9",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.23",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.13.*",
              "status": "unaffected",
              "version": "6.13.11",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.14.*",
              "status": "unaffected",
              "version": "6.14.2",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.15-rc1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: timer: Don\u0027t take register_mutex with copy_from/to_user()\n\nThe infamous mmap_lock taken in copy_from/to_user() can be often\nproblematic when it\u0027s called inside another mutex, as they might lead\nto deadlocks.\n\nIn the case of ALSA timer code, the bad pattern is with\nguard(mutex)(\u0026register_mutex) that covers copy_from/to_user() -- which\nwas mistakenly introduced at converting to guard(), and it had been\ncarefully worked around in the past.\n\nThis patch fixes those pieces simply by moving copy_from/to_user() out\nof the register mutex lock again."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-04-16T14:13:15.144Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/15291b561d8cc835a2eea76b394070cf8e072771"
        },
        {
          "url": "https://git.kernel.org/stable/c/296f7a9e15aab276db11206cbc1e2ae1215d7862"
        },
        {
          "url": "https://git.kernel.org/stable/c/b074f47e55df93832bbbca1b524c501e6fea1c0d"
        },
        {
          "url": "https://git.kernel.org/stable/c/3424c8f53bc63c87712a7fc22dc13d0cc85fb0d6"
        }
      ],
      "title": "ALSA: timer: Don\u0027t take register_mutex with copy_from/to_user()",
      "x_generator": {
        "engine": "bippy-7c5fe7eed585"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-23134",
    "datePublished": "2025-04-16T14:13:15.144Z",
    "dateReserved": "2025-01-11T14:28:41.511Z",
    "dateUpdated": "2025-04-16T14:13:15.144Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-23134\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-04-16T15:16:07.797\",\"lastModified\":\"2025-04-29T18:51:59.833\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nALSA: timer: Don\u0027t take register_mutex with copy_from/to_user()\\n\\nThe infamous mmap_lock taken in copy_from/to_user() can be often\\nproblematic when it\u0027s called inside another mutex, as they might lead\\nto deadlocks.\\n\\nIn the case of ALSA timer code, the bad pattern is with\\nguard(mutex)(\u0026register_mutex) that covers copy_from/to_user() -- which\\nwas mistakenly introduced at converting to guard(), and it had been\\ncarefully worked around in the past.\\n\\nThis patch fixes those pieces simply by moving copy_from/to_user() out\\nof the register mutex lock again.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ALSA: temporizador: No se utiliza register_mutex con copy_from/to_user(). El infame bloqueo mmap utilizado en copy_from/to_user() puede ser problem\u00e1tico cuando se invoca dentro de otro mutex, ya que podr\u00eda provocar interbloqueos. En el caso del c\u00f3digo del temporizador ALSA, el patr\u00f3n incorrecto se encuentra en guard(mutex)(\u0026amp;register_mutex) que cubre copy_from/to_user(), que se introdujo por error al convertir a guard() y que ya se hab\u00eda solucionado cuidadosamente en el pasado. Este parche corrige estos problemas simplemente sacando copy_from/to_user() del bloqueo mutex de registro.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-667\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.9\",\"versionEndExcluding\":\"6.12.23\",\"matchCriteriaId\":\"10F3EB18-ACA3-4775-AC8D-C1CC227D2763\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.13\",\"versionEndExcluding\":\"6.13.11\",\"matchCriteriaId\":\"E7E864B0-8C00-4679-BA55-659B4C9C3AD3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.14\",\"versionEndExcluding\":\"6.14.2\",\"matchCriteriaId\":\"FADAE5D8-4808-442C-B218-77B2CE8780A0\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/15291b561d8cc835a2eea76b394070cf8e072771\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/296f7a9e15aab276db11206cbc1e2ae1215d7862\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/3424c8f53bc63c87712a7fc22dc13d0cc85fb0d6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/b074f47e55df93832bbbca1b524c501e6fea1c0d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
  }
}