{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "493d9e0d608339a32f568504d5fd411a261bb0af"
            },
            {
              "fixed": "7beae54111c34ca63357ef120e115889b915beb5"
            },
            {
              "fixed": "d1aab1ca576c90192ba961094d51b0be6355a4d6"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "6.19.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43321.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Properly mark live registers for indirect jumps\n\nFor a `gotox rX` instruction the rX register should be marked as used\nin the compute_insn_live_regs() function. Fix this.",
  "id": "CVE-2026-43321",
  "modified": "2026-07-15T01:49:16.541858302Z",
  "published": "2026-05-08T13:26:15.600Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7beae54111c34ca63357ef120e115889b915beb5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d1aab1ca576c90192ba961094d51b0be6355a4d6"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43321.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-43321"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.8.0",
  "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: Properly mark live registers for indirect jumps"
}