{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "baefdbdf6812e120c9fba9cfb101d3656f478026"
            },
            {
              "fixed": "5cf2c85b1231218a3e3e9f188afb4fe2e17903d5"
            },
            {
              "fixed": "c3da741d5b2119c61c4498bc936f0fc1dbc3c79b"
            },
            {
              "fixed": "3c56ee343f9412d81918635c3e25e22a5dd6d87e"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.18.0"
            },
            {
              "fixed": "6.18.40"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.1.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74360.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Reject exclusive maps for bpf_map_elem iterators\n\nExclusive maps (aka excl_prog_hash) are meant to be reachable only\nfrom the single program whose hash matches. This is enforced by\ncheck_map_prog_compatibility() when the map is referenced from a\nprogram such as signed BPF loaders.\n\nA bpf_map_elem iterator, however, binds its target map at attach\ntime in bpf_iter_attach_map() instead of referencing it from the\nprogram, so the exclusivity check is never reached. On top of that,\nthe iterator exposes the map value as a writable buffer.",
  "id": "CVE-2026-74360",
  "modified": "2026-08-18T03:31:21.584330107Z",
  "published": "2026-08-15T05:58:44.158Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3c56ee343f9412d81918635c3e25e22a5dd6d87e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5cf2c85b1231218a3e3e9f188afb4fe2e17903d5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c3da741d5b2119c61c4498bc936f0fc1dbc3c79b"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74360.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-74360"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "bpf: Reject exclusive maps for bpf_map_elem iterators"
}