{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2026-31603",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2026-31603"
  ],
  "published": "2026-04-24T14:43:40Z",
  "summary": "staging: sm750fb: fix division by zero in ps_to_hz()",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nstaging: sm750fb: fix division by zero in ps_to_hz()\n\nps_to_hz() is called from hw_sm750_crtc_set_mode() without validating\nthat pixclock is non-zero. A zero pixclock passed via FBIOPUT_VSCREENINFO\ncauses a division by zero.\n\nFix by rejecting zero pixclock in lynxfb_ops_check_var(), consistent\nwith other framebuffer drivers.",
  "affected": [
    {
      "package": {
        "ecosystem": "Raspberry Pi OS:12",
        "name": "linux"
      },
      "versions": [
        "1:6.1.47-1+rpt4"
      ],
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-2712",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v6",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v7",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v7l",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v8",
            "binary_version": "1:6.1.47-1+rpt4"
          }
        ]
      },
      "database_specific": {
        "per_version": {
          "1:6.1.47-1+rpt4": {
            "linux_commit": "655fc658a15ae7a6f37103754adb39ba52a9a14e",
            "upstream_version": "6.1.47",
            "assessment": "commit ancestry (strak rule)",
            "upstream_fixed": "6.1.175",
            "compiled_filter": false
          }
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-31603"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/124a43550db8a74eef080cd4573a4904efe67029"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/b285a8f3bbb821a93eb37c2740a68ca1d7112a59"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/3300b049693138852a4c6738b5f1194a1ee91ddd"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/779412e0e391fd4a0d12e1d1adaa7bf043de62d7"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/2f640c6043aeab31a2f607d7605271860c3b11df"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/1412ba36597a82e928f20047f41d6c6582dafe8a"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/6144895a4335a2491c282931f1f2fa610b86339f"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/daf6733bd7c4c5015b431739ac29b0e29021096b"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/75a1621e4f91310673c9acbcbb25c2a7ff821cd3"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-06-15T02:03:26Z"
  }
}