ghsa-6rx2-vgf2-fwv2
Vulnerability from github
Published
2023-08-10 18:31
Modified
2023-11-05 12:30
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details

A use-after-free flaw was found in net/sched/cls_fw.c in classifiers (cls_fw, cls_u32, and cls_route) in the Linux Kernel. This flaw allows a local attacker to perform a local privilege escalation due to incorrect handling of the existing filter, leading to a kernel information leak issue.

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{
  "affected": [],
  "aliases": [
    "CVE-2023-4128"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2023-08-10T17:15:12Z",
    "severity": "HIGH"
  },
  "details": "A use-after-free flaw was found in net/sched/cls_fw.c in classifiers (cls_fw, cls_u32, and cls_route) in the Linux Kernel. This flaw allows a local attacker to perform a local privilege escalation due to incorrect handling of the existing filter, leading to a kernel information leak issue.",
  "id": "GHSA-6rx2-vgf2-fwv2",
  "modified": "2023-11-05T12:30:29Z",
  "published": "2023-08-10T18:31:01Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-4128"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2023/dsa-5492"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2023/dsa-5480"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20231027-0002"
    },
    {
      "type": "WEB",
      "url": "https://lore.kernel.org/netdev/193d6cdf-d6c9-f9be-c36a-b2a7551d5fb6@mojatatu.com"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3TYLSJ2SAI7RF56ZLQ5CQWCJLVJSD73Q"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/344H6HO6SSC4KT7PDFXSDIXKMKHISSGF"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b80b829e9e2c1b3f7aae34855e04d8f6ecaf13c8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=76e42ae831991c828cffa8c37736ebfb831ad5ec"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3044b16e7c6fe5d24b1cdbcf1bd0a9d92d1ebd81"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2225511"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/security/cve/CVE-2023-4128"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2023:5794"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2023:5775"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2023:5628"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2023:5627"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2023:5604"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2023:5603"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2023:5589"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2023:5588"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2023:5580"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2023:5575"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2023:5548"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2023:5238"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2023:5235"
    },
    {
      "type": "WEB",
      "url": "http://packetstormsecurity.com/files/175072/Kernel-Live-Patch-Security-Notice-LSN-0098-1.html"
    }
  ],
  "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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