ghsa-w9w3-f8q7-x576
Vulnerability from github
Published
2022-05-24 19:06
Modified
2023-08-08 15:31
Details

In kernel/bpf/verifier.c in the Linux kernel before 5.12.13, a branch can be mispredicted (e.g., because of type confusion) and consequently an unprivileged BPF program can read arbitrary memory locations via a side-channel attack, aka CID-9183671af6db.

Show details on source website


{
   affected: [],
   aliases: [
      "CVE-2021-33624",
   ],
   database_specific: {
      cwe_ids: [
         "CWE-203",
      ],
      github_reviewed: false,
      github_reviewed_at: null,
      nvd_published_at: "2021-06-23T16:15:00Z",
      severity: "MODERATE",
   },
   details: "In kernel/bpf/verifier.c in the Linux kernel before 5.12.13, a branch can be mispredicted (e.g., because of type confusion) and consequently an unprivileged BPF program can read arbitrary memory locations via a side-channel attack, aka CID-9183671af6db.",
   id: "GHSA-w9w3-f8q7-x576",
   modified: "2023-08-08T15:31:18Z",
   published: "2022-05-24T19:06:02Z",
   references: [
      {
         type: "ADVISORY",
         url: "https://nvd.nist.gov/vuln/detail/CVE-2021-33624",
      },
      {
         type: "WEB",
         url: "https://github.com/torvalds/linux/commit/9183671af6dbf60a1219371d4ed73e23f43b49db",
      },
      {
         type: "WEB",
         url: "https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html",
      },
      {
         type: "WEB",
         url: "https://www.usenix.org/conference/usenixsecurity21/presentation/kirzner",
      },
      {
         type: "WEB",
         url: "http://www.openwall.com/lists/oss-security/2021/06/21/1",
      },
   ],
   schema_version: "1.4.0",
   severity: [
      {
         score: "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
         type: "CVSS_V3",
      },
   ],
}


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