ghsa-cqwh-fpfr-9p4j
Vulnerability from github
Published
2024-05-20 12:30
Modified
2025-12-17 06:31
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Details

In the Linux kernel, the following vulnerability has been resolved:

riscv: Fix TASK_SIZE on 64-bit NOMMU

On NOMMU, userspace memory can come from anywhere in physical RAM. The current definition of TASK_SIZE is wrong if any RAM exists above 4G, causing spurious failures in the userspace access routines.

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{
  "affected": [],
  "aliases": [
    "CVE-2024-35988"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-05-20T10:15:13Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nriscv: Fix TASK_SIZE on 64-bit NOMMU\n\nOn NOMMU, userspace memory can come from anywhere in physical RAM. The\ncurrent definition of TASK_SIZE is wrong if any RAM exists above 4G,\ncausing spurious failures in the userspace access routines.",
  "id": "GHSA-cqwh-fpfr-9p4j",
  "modified": "2025-12-17T06:31:23Z",
  "published": "2024-05-20T12:30:29Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-35988"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/04bf2e5f95c1a52e28a7567a507f926efe31c3b6"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4201b8c8f2c32af321fb50867e68ac6c1cbed4be"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/52e8a42b11078d2aad4b9ba96503d77c7299168b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6065e736f82c817c9a597a31ee67f0ce4628e948"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a0f0dbbb1bc49fa0de18e92c36492ff6d804cdaa"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/efdcfa554b6eb228943ef1dd4d023c606be647d2"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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