ghsa-hmvg-cx6j-hfj7
Vulnerability from github
Published
2024-03-04 09:30
Modified
2024-12-11 18:30
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details

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

tomoyo: fix UAF write bug in tomoyo_write_control()

Since tomoyo_write_control() updates head->write_buf when write() of long lines is requested, we need to fetch head->write_buf after head->io_sem is held. Otherwise, concurrent write() requests can cause use-after-free-write and double-free problems.

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{
  "affected": [],
  "aliases": [
    "CVE-2024-26622"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-03-04T07:15:11Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ntomoyo: fix UAF write bug in tomoyo_write_control()\n\nSince tomoyo_write_control() updates head-\u003ewrite_buf when write()\nof long lines is requested, we need to fetch head-\u003ewrite_buf after\nhead-\u003eio_sem is held.  Otherwise, concurrent write() requests can\ncause use-after-free-write and double-free problems.",
  "id": "GHSA-hmvg-cx6j-hfj7",
  "modified": "2024-12-11T18:30:36Z",
  "published": "2024-03-04T09:30:29Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-26622"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2caa605079488da9601099fbda460cfc1702839f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2f03fc340cac9ea1dc63cbf8c93dd2eb0f227815"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3bfe04c1273d30b866f4c7c238331ed3b08e5824"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6edefe1b6c29a9932f558a898968a9fcbeec5711"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7d930a4da17958f869ef679ee0e4a8729337affc"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a23ac1788e2c828c097119e9a3178f0b7e503fee"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IVVYSTEVMPYGF6GDSOD44MUXZXAZHOHB"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KSXNF4RLEFLH35BFUQGYXRRVHHUIVBAE"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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