ghsa-pg76-q8r9-xqw5
Vulnerability from github
Published
2025-05-01 15:31
Modified
2025-05-07 15:31
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:

phy: qcom-qmp-combo: fix NULL-deref on runtime resume

Commit fc64623637da ("phy: qcom-qmp-combo,usb: add support for separate PCS_USB region") started treating the PCS_USB registers as potentially separate from the PCS registers but used the wrong base when no PCS_USB offset has been provided.

Fix the PCS_USB base used at runtime resume to prevent dereferencing a NULL pointer on platforms that do not provide a PCS_USB offset (e.g. SC7180).

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{
  "affected": [],
  "aliases": [
    "CVE-2022-49848"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-476"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-05-01T15:16:08Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nphy: qcom-qmp-combo: fix NULL-deref on runtime resume\n\nCommit fc64623637da (\"phy: qcom-qmp-combo,usb: add support for separate\nPCS_USB region\") started treating the PCS_USB registers as potentially\nseparate from the PCS registers but used the wrong base when no PCS_USB\noffset has been provided.\n\nFix the PCS_USB base used at runtime resume to prevent dereferencing a\nNULL pointer on platforms that do not provide a PCS_USB offset (e.g.\nSC7180).",
  "id": "GHSA-pg76-q8r9-xqw5",
  "modified": "2025-05-07T15:31:24Z",
  "published": "2025-05-01T15:31:49Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-49848"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/04948e757148f870a31f4887ea2239403f516c3c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c559a8b5cfa3db196ced0257b288f17027621348"
    }
  ],
  "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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