{
  "cveId": "CVE-2022-49218",
  "url": "https://patchblox.com/security/cve/CVE-2022-49218",
  "summary": "CVE-2022-49218 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-49218, released February 26, 2025. It is not reported as exploited. Patch Radar priority: High.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  drm/dp: Fix OOB read when handling Post Cursor2...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  drm/dp: Fix OOB read when handling Post Cursor2 register  The link_status array was not large enough to read the Adjust Request Post Cursor2 register, so remove the common helper function to avoid an OOB read, found with a -Warray-bounds build:  drivers/gpu/drm/drm_dp_helper.c: In function \u0027drm_dp_get_adjust_request_post_cursor\u0027: drivers/gpu/drm/drm_dp_helper.c:59:27: error: array subscript 10 is outside array bounds of \u0027const u8[6]\u0027 {aka \u0027const unsigned char[6]\u0027} [-Werror=array-bounds]    59 |         return link_status[r - DP_LANE0_1_STATUS];       |                ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_dp_helper.c:147:51: note: while referencing \u0027link_status\u0027   147 | u8 drm_dp_get_adjust_request_post_cursor(const u8 link_status[DP_LINK_STATUS_SIZE],       |                                          ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~  Replace the only user of the helper with an open-coded fetch and decode, similar to drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c.",
  "published": "2025-02-26T07:00:58Z",
  "severity": "high",
  "cvss": 7.1,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
  "epss": 0.00241,
  "epssPercentile": 0.1532,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "5.17.3-1",
      "fix": "DEBIAN-CVE-2022-49218",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-49218",
      "released": "2025-02-26T07:00:58Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "5.17.3-1",
      "fix": "DEBIAN-CVE-2022-49218",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-49218",
      "released": "2025-02-26T07:00:58Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "5.17.3-1",
      "fix": "DEBIAN-CVE-2022-49218",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-49218",
      "released": "2025-02-26T07:00:58Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}