{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "28acb12014fb0c3e1edfdab1b1e3e266cf651550"
            },
            {
              "fixed": "56ac3e7c90f6b45969c3fd07a98fad760ffd6901"
            },
            {
              "fixed": "be97fea7451d758881b95af78e900dd0d58a382a"
            },
            {
              "fixed": "2db4535d6af79276a64449201c5be5feffb31c64"
            },
            {
              "fixed": "53f0aa37eb945f3c983f61d12fc35eb33debb8a9"
            },
            {
              "fixed": "8d7a30c50c2e58a6839634ed0acde14466d1dc61"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.8.0"
            },
            {
              "fixed": "6.6.151"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.103"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.44"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.1.8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74497.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: usb-audio: Clamp frame size in implicit-feedback mode\n\nsnd_usb_handle_sync_urb() scales received sync packet sizes by the sender's\nstride and stores the result directly in out_packet-\u003epacket_size[i]. If a\nconnected USB device sends an oversized sync packet, this frame count can\nexceed ep-\u003emaxframesize.\n\nThe un-clamped frame count then propagates to the playback endpoint queue,\npotentially driving packet transfers beyond the endpoint's hardware frame\nlimits.\n\nCap the calculated frame count against ep-\u003emaxframesize in\nsnd_usb_handle_sync_urb() to prevent oversized packets from entering the\nplayback queue.",
  "id": "CVE-2026-74497",
  "modified": "2026-08-17T03:36:28.965412023Z",
  "published": "2026-08-15T12:27:24.494Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2db4535d6af79276a64449201c5be5feffb31c64"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/53f0aa37eb945f3c983f61d12fc35eb33debb8a9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/56ac3e7c90f6b45969c3fd07a98fad760ffd6901"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8d7a30c50c2e58a6839634ed0acde14466d1dc61"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/be97fea7451d758881b95af78e900dd0d58a382a"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74497.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-74497"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "ALSA: usb-audio: Clamp frame size in implicit-feedback mode"
}