ghsa-5337-wcgc-wcvp
Vulnerability from github
Published
2022-05-24 19:08
Modified
2025-06-09 18:32
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Details

basic/unit-name.c in systemd 220 through 248 has a Memory Allocation with an Excessive Size Value (involving strdupa and alloca for a pathname controlled by a local attacker) that results in an operating system crash.

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{
  "affected": [],
  "aliases": [
    "CVE-2021-33910"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-770"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-07-20T19:15:00Z",
    "severity": "MODERATE"
  },
  "details": "basic/unit-name.c in systemd 220 through 248 has a Memory Allocation with an Excessive Size Value (involving strdupa and alloca for a pathname controlled by a local attacker) that results in an operating system crash.",
  "id": "GHSA-5337-wcgc-wcvp",
  "modified": "2025-06-09T18:32:01Z",
  "published": "2022-05-24T19:08:26Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-33910"
    },
    {
      "type": "WEB",
      "url": "https://github.com/systemd/systemd/pull/20256/commits/441e0115646d54f080e5c3bb0ba477c892861ab9"
    },
    {
      "type": "WEB",
      "url": "https://github.com/systemd/systemd-stable/commit/4a1c5f34bd3e1daed4490e9d97918e504d19733b"
    },
    {
      "type": "WEB",
      "url": "https://github.com/systemd/systemd-stable/commit/764b74113e36ac5219a4b82a05f311b5a92136ce"
    },
    {
      "type": "WEB",
      "url": "https://github.com/systemd/systemd-stable/commit/b00674347337b7531c92fdb65590ab253bb57538"
    },
    {
      "type": "WEB",
      "url": "https://github.com/systemd/systemd-stable/commit/cfd14c65374027b34dbbc4f0551456c5dc2d1f61"
    },
    {
      "type": "WEB",
      "url": "https://github.com/systemd/systemd/commit/b34a4f0e6729de292cb3b0c03c1d48f246ad896b"
    },
    {
      "type": "WEB",
      "url": "https://www.openwall.com/lists/oss-security/2021/07/20/2"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2021/dsa-4942"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20211104-0008"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/202107-48"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/42TMJVNYRY65B4QCJICBYOEIVZV3KUYI"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2LSDMHAKI4LGFOCSPXNVVSEWQFAVFWR7"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/42TMJVNYRY65B4QCJICBYOEIVZV3KUYI"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2LSDMHAKI4LGFOCSPXNVVSEWQFAVFWR7"
    },
    {
      "type": "WEB",
      "url": "https://github.com/systemd/systemd/releases"
    },
    {
      "type": "WEB",
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-222547.pdf"
    },
    {
      "type": "WEB",
      "url": "http://packetstormsecurity.com/files/163621/Sequoia-A-Deep-Root-In-Linuxs-Filesystem-Layer.html"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2021/08/04/2"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2021/08/17/3"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2021/09/07/3"
    }
  ],
  "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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