{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "be769645a2aef577f07afdcb4de8fad20b6d57c0"
            },
            {
              "fixed": "c8a8e863928424046b8fd328f02c359baa0a0c3f"
            },
            {
              "fixed": "108f2cd13577a410c0ad6ea00708596d9d0dfc90"
            },
            {
              "fixed": "07040904ad217545be096d4280ed33c02f6a3750"
            },
            {
              "fixed": "85cbf7fb568af5358aae61925c4e66b8f5e1439d"
            },
            {
              "fixed": "bc84a109c2082dd0c4b38e8d923c046b41977533"
            },
            {
              "fixed": "0c965d2784fbbd7f8e3b96d875c9cfdf7c00da3d"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.19.0"
            },
            {
              "fixed": "6.1.176"
            }
          ],
          "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/2026/45xxx/CVE-2026-45993.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nLoongArch: Add spectre boundry for syscall dispatch table\n\nThe LoongArch syscall number is directly controlled by userspace, but\ndoes not have a array_index_nospec() boundry to prevent access past the\nsyscall function pointer tables.",
  "id": "CVE-2026-45993",
  "modified": "2026-07-08T05:38:33.104431879Z",
  "published": "2026-05-27T12:55:46.480Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/07040904ad217545be096d4280ed33c02f6a3750"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0c965d2784fbbd7f8e3b96d875c9cfdf7c00da3d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/108f2cd13577a410c0ad6ea00708596d9d0dfc90"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/85cbf7fb568af5358aae61925c4e66b8f5e1439d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/bc84a109c2082dd0c4b38e8d923c046b41977533"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c8a8e863928424046b8fd328f02c359baa0a0c3f"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45993.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-45993"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.5",
  "summary": "LoongArch: Add spectre boundry for syscall dispatch table"
}