{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "4fa0e81b83503900be277e6273a79651b375e288"
            },
            {
              "fixed": "5436bc1b07d4656f99412dc72871d250d7d55205"
            },
            {
              "fixed": "0da05fedf5e1966b7e7d389866cb86fcf09f4b32"
            },
            {
              "fixed": "f14bd323eec4b4f0ef662520ec852e593ece1d4c"
            },
            {
              "fixed": "ab5ba9fd138758ddc50222264ff246b31e397abf"
            },
            {
              "fixed": "ba036305323814ec1f8655313b2fa6a0f7048716"
            },
            {
              "fixed": "4d7893a137eadb6163ea4298bf67d74b811d76ef"
            },
            {
              "fixed": "a0b78639ef09b2e77974a3de3b1c07f6de3c5e56"
            },
            {
              "fixed": "3c318f97dcc50b2e0556a1813bd6958678e881fd"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "44f059fb742aac78cffdab5e0d8fe0c9910c1ded"
            },
            {
              "last_affected": "c25a53781f61c78bf2a2fa308bbd35b42ba346f6"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "3.0.81"
            },
            {
              "fixed": "3.1"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "3.2.47"
            },
            {
              "fixed": "3.3"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.3.0"
            },
            {
              "fixed": "5.10.258"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.209"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.175"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.140"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.86"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.27"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.0.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46018.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: usb-audio: stop parsing UAC2 rates at MAX_NR_RATES\n\nparse_uac2_sample_rate_range() caps the number of enumerated\nrates at MAX_NR_RATES, but it only breaks out of the current\nrate loop. A malformed UAC2 RANGE response with additional\ntriplets continues parsing the remaining triplets and repeatedly\nprints \"invalid uac2 rates\" while probe still holds\nregister_mutex.\n\nStop the whole parse once the cap is reached and return the\nnumber of rates collected so far.",
  "id": "CVE-2026-46018",
  "modified": "2026-07-08T05:38:38.569685201Z",
  "published": "2026-05-27T12:56:19.588Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0da05fedf5e1966b7e7d389866cb86fcf09f4b32"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3c318f97dcc50b2e0556a1813bd6958678e881fd"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4d7893a137eadb6163ea4298bf67d74b811d76ef"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5436bc1b07d4656f99412dc72871d250d7d55205"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a0b78639ef09b2e77974a3de3b1c07f6de3c5e56"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ab5ba9fd138758ddc50222264ff246b31e397abf"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ba036305323814ec1f8655313b2fa6a0f7048716"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f14bd323eec4b4f0ef662520ec852e593ece1d4c"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46018.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46018"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.5",
  "summary": "ALSA: usb-audio: stop parsing UAC2 rates at MAX_NR_RATES"
}