{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2026-31483",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2026-31483"
  ],
  "published": "2026-04-22T13:57:42Z",
  "summary": "s390/syscalls: Add spectre boundary for syscall dispatch table",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ns390/syscalls: Add spectre boundary for syscall dispatch table\n\nThe s390 syscall number is directly controlled by userspace, but does\nnot have an array_index_nospec() boundary to prevent access past the\nsyscall function pointer tables.",
  "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": "6.1.168",
            "compiled_filter": false
          }
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-31483"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/3c3b97064764899c39a0abbd35a6caa031e70333"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/1cb9c7bc9025c637564fabc7fcc3c9343949e310"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/7a5260fbc6e79a1595328ec5c6aa3f937504a1f0"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/f8c444b918d639e1f9a621ee20fe481c1d10dfc4"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/87776f02449e3bded95b2ccbd6b012e9ae64e6f3"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/4d05dd18d867d58c6952a3bc260d244899da7256"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/48b8814e25d073dd84daf990a879a820bad2bcbd"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-05-12T04:54:46Z"
  }
}