{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "aef4dfa790b22d8052cfb78044eadbe03c876c39"
            },
            {
              "fixed": "280145253fd38fa975cc04963ddaf74c7f415011"
            },
            {
              "fixed": "30bdd6d1384d894931f113eb595636092d8e650c"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "7.2.0"
            },
            {
              "fixed": "7.2.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93111.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Mark tracing_multi trampolines as ftrace managed\n\nSince tracing_multi link does not set ftrace_managed, it would fail to\nrelease the tracing_multi link when attaching tracing_multi link and\nthen attaching fentry link.\n\n[    3.714215] WARNING: kernel/bpf/trampoline.c:1727 at bpf_trampoline_multi_detach+0x20b/0x240, CPU#1: test_progs/97\n...\n[    3.733170]  bpf_tracing_multi_link_release+0x14/0x30\n[    3.733890]  bpf_link_free+0x58/0x130\n[    3.734414]  bpf_link_release+0x23/0x30\n\nFix it by setting 'ftrace_managed = true' in register_fentry_multi().",
  "id": "CVE-2026-93111",
  "modified": "2026-09-19T03:30:54.501584855Z",
  "published": "2026-09-17T16:11:20.464Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/280145253fd38fa975cc04963ddaf74c7f415011"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/30bdd6d1384d894931f113eb595636092d8e650c"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93111.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-93111"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "bpf: Mark tracing_multi trampolines as ftrace managed"
}