{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "cac616db39c207dc63465a4e05c6ce0e60b2cce4"
            },
            {
              "fixed": "d16f0eafcaa62e677a2b5b0dabc1f8d31dfe3d4d"
            },
            {
              "fixed": "e2ae33247e8b2dbe9d116d3e61cadf6d548339c6"
            },
            {
              "fixed": "a4d7f94c1ca914469ced665ec2f98be669aef462"
            },
            {
              "fixed": "e51179a4e09846f8fd0f26a05068520de2b301bf"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.8.0"
            },
            {
              "fixed": "6.12.111"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.53"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.2.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98041.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Don't predict JMP32 pointer vs zero comparisons\n\nConsider the following program:\n\n        r1 = map_value;      /* low 32 bits are zero at runtime */\n        r6 = 0xdead000000000000;\n        if w1 != 0 goto l1;\n    l0: r1 += r6;\n        r2 = *(u64 *)(r1 + 0);\n        exit;\n    l1: r6 = 0;\n        goto l0;\n\nAt the moment is_branch_taken() reports the jump as always taken,\nbecause it does not distinguish between BPF_JMP and BPF_JMP32\ncomparisons when processing 'if w1 != 0 ...'.",
  "id": "CVE-2026-98041",
  "modified": "2026-09-27T03:30:28.939250848Z",
  "published": "2026-09-25T10:23:53.619Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a4d7f94c1ca914469ced665ec2f98be669aef462"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d16f0eafcaa62e677a2b5b0dabc1f8d31dfe3d4d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e2ae33247e8b2dbe9d116d3e61cadf6d548339c6"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e51179a4e09846f8fd0f26a05068520de2b301bf"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98041.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-98041"
    },
    {
      "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:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "bpf: Don't predict JMP32 pointer vs zero comparisons"
}