ghsa-qwrw-2rh8-vqvh
Vulnerability from github
Published
2022-05-24 19:09
Modified
2022-05-24 19:09
Details

In the Linux kernel through 5.13.7, an unprivileged BPF program can obtain sensitive information from kernel memory via a Speculative Store Bypass side-channel attack because a certain preempting store operation does not necessarily occur before a store operation that has an attacker-controlled value.

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{
   affected: [],
   aliases: [
      "CVE-2021-35477",
   ],
   database_specific: {
      cwe_ids: [
         "CWE-203",
      ],
      github_reviewed: false,
      github_reviewed_at: null,
      nvd_published_at: "2021-08-02T04:15:00Z",
      severity: "MODERATE",
   },
   details: "In the Linux kernel through 5.13.7, an unprivileged BPF program can obtain sensitive information from kernel memory via a Speculative Store Bypass side-channel attack because a certain preempting store operation does not necessarily occur before a store operation that has an attacker-controlled value.",
   id: "GHSA-qwrw-2rh8-vqvh",
   modified: "2022-05-24T19:09:40Z",
   published: "2022-05-24T19:09:40Z",
   references: [
      {
         type: "ADVISORY",
         url: "https://nvd.nist.gov/vuln/detail/CVE-2021-35477",
      },
      {
         type: "WEB",
         url: "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/patch/?id=2039f26f3aca5b0e419b98f65dd36481337b86ee",
      },
      {
         type: "WEB",
         url: "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/patch/?id=f5e81d1117501546b7be050c5fbafa6efd2c722c",
      },
      {
         type: "WEB",
         url: "https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html",
      },
      {
         type: "WEB",
         url: "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/565ZS55ZFEN62WVRRORT7R63RXW5F4T4",
      },
      {
         type: "WEB",
         url: "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6JKK6XNRZX5BT5QVYOKGVJ2BHFZAP5EX",
      },
      {
         type: "WEB",
         url: "https://www.openwall.com/lists/oss-security/2021/08/01/3",
      },
   ],
   schema_version: "1.4.0",
   severity: [],
}


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