ghsa-5j67-5c69-hf75
Vulnerability from github
Published
2022-05-24 17:45
Modified
2022-05-24 17:45
Details

An issue was discovered in the Linux kernel before 5.11.11. The BPF subsystem does not properly consider that resolved_ids and resolved_sizes are intentionally uninitialized in the vmlinux BPF Type Format (BTF), which can cause a system crash upon an unexpected access attempt (in map_create in kernel/bpf/syscall.c or check_btf_info in kernel/bpf/verifier.c), aka CID-350a5c4dd245.

Show details on source website


{
   affected: [],
   aliases: [
      "CVE-2021-29648",
   ],
   database_specific: {
      cwe_ids: [
         "CWE-307",
      ],
      github_reviewed: false,
      github_reviewed_at: null,
      nvd_published_at: "2021-03-30T21:15:00Z",
      severity: "MODERATE",
   },
   details: "An issue was discovered in the Linux kernel before 5.11.11. The BPF subsystem does not properly consider that resolved_ids and resolved_sizes are intentionally uninitialized in the vmlinux BPF Type Format (BTF), which can cause a system crash upon an unexpected access attempt (in map_create in kernel/bpf/syscall.c or check_btf_info in kernel/bpf/verifier.c), aka CID-350a5c4dd245.",
   id: "GHSA-5j67-5c69-hf75",
   modified: "2022-05-24T17:45:54Z",
   published: "2022-05-24T17:45:54Z",
   references: [
      {
         type: "ADVISORY",
         url: "https://nvd.nist.gov/vuln/detail/CVE-2021-29648",
      },
      {
         type: "WEB",
         url: "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.11",
      },
      {
         type: "WEB",
         url: "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=350a5c4dd2452ea999cc5e1d4a8dbf12de2f97ef",
      },
      {
         type: "WEB",
         url: "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RZGMUP6QEHJJEKPMLKOSPWYMW7PXFC2M",
      },
      {
         type: "WEB",
         url: "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VTADK5ELGTATGW2RK3K5MBJ2WGYCPZCM",
      },
      {
         type: "WEB",
         url: "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WKRNELXLVFDY6Y5XDMWLIH3VKIMQXLLR",
      },
   ],
   schema_version: "1.4.0",
   severity: [],
}


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