ghsa-wmg2-2x6g-r8q6
Vulnerability from github
Published
2023-01-12 09:30
Modified
2023-01-20 21:30
Details

cbq_classify in net/sched/sch_cbq.c in the Linux kernel through 6.1.4 allows attackers to cause a denial of service (slab-out-of-bounds read) because of type confusion (non-negative numbers can sometimes indicate a TC_ACT_SHOT condition rather than valid classification results).

Show details on source website


{
  "affected": [],
  "aliases": [
    "CVE-2023-23454"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-843"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2023-01-12T07:15:00Z",
    "severity": "MODERATE"
  },
  "details": "cbq_classify in net/sched/sch_cbq.c in the Linux kernel through 6.1.4 allows attackers to cause a denial of service (slab-out-of-bounds read) because of type confusion (non-negative numbers can sometimes indicate a TC_ACT_SHOT condition rather than valid classification results).",
  "id": "GHSA-wmg2-2x6g-r8q6",
  "modified": "2023-01-20T21:30:29Z",
  "published": "2023-01-12T09:30:26Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-23454"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=caa4b35b4317d5147b3ab0fbdc9c075c7d2e9c12"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2023/03/msg00000.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2023/dsa-5324"
    },
    {
      "type": "WEB",
      "url": "https://www.openwall.com/lists/oss-security/2023/01/10/1"
    },
    {
      "type": "WEB",
      "url": "https://www.openwall.com/lists/oss-security/2023/01/10/4"
    }
  ],
  "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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