ghsa-3v7p-2jr8-qj72
Vulnerability from github
Published
2025-10-23 12:31
Modified
2025-10-23 12:31
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:

x86/speculation: Fill RSB on vmexit for IBRS

Prevent RSB underflow/poisoning attacks with RSB. While at it, add a bunch of comments to attempt to document the current state of tribal knowledge about RSB attacks and what exactly is being mitigated.

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{
  "affected": [],
  "aliases": [
    "CVE-2022-49611"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-02-26T07:01:36Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nx86/speculation: Fill RSB on vmexit for IBRS\n\nPrevent RSB underflow/poisoning attacks with RSB.  While at it, add a\nbunch of comments to attempt to document the current state of tribal\nknowledge about RSB attacks and what exactly is being mitigated.",
  "id": "GHSA-3v7p-2jr8-qj72",
  "modified": "2025-10-23T12:31:15Z",
  "published": "2025-10-23T12:31:15Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-49611"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/17a9fc4a7b91f8599223631bb6ae6416bc0de1c0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3d323b99ff5c8c57005184056d65f6af5b0479d8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4d7f72b6e1bc630bec7e4cd51814bc2b092bf153"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8c38306e2e9257af4af2819aa287a4711ff36329"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8d5cff499a6d740c91ff37963907e0e983c37f0f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9756bba28470722dacb79ffce554336dd1f6a6cd"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f744b88dfc201bf8092833ec70b23c720188b527"
    }
  ],
  "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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