{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "528eb2cb87bc1353235a6384696b4849bde8b0ba"
            },
            {
              "fixed": "edc90a12073b9a530064a99945c183dde120cb99"
            },
            {
              "fixed": "44c4f999b03f55debb1a0c5ab5c1796895a1adf8"
            },
            {
              "fixed": "366b0e05ee24f5ba62bdc7ec1346038258b9a797"
            },
            {
              "fixed": "834918a77be51419383bf1dda9f02b81ecf26b34"
            },
            {
              "fixed": "202e42e4aa890172366354b233c42c73107a3f59"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.3.0"
            },
            {
              "fixed": "6.6.141"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.91"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.33"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.0.10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53110.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ns390/bpf: Zero-extend bpf prog return values and kfunc arguments\n\ns390x ABI requires callers to zero-extend unsigned arguments and\nsign-extend signed arguments, and callees to zero-extend unsigned\nreturn values and sign-extend signed return values.\n\ns390 BPF JIT currently implements only sign extension. Fix this\nomission and implement zero extension too.",
  "id": "CVE-2026-53110",
  "modified": "2026-07-08T05:38:31.691975739Z",
  "published": "2026-06-24T16:30:44.036Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/202e42e4aa890172366354b233c42c73107a3f59"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/366b0e05ee24f5ba62bdc7ec1346038258b9a797"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/44c4f999b03f55debb1a0c5ab5c1796895a1adf8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/834918a77be51419383bf1dda9f02b81ecf26b34"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/edc90a12073b9a530064a99945c183dde120cb99"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53110.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-53110"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.5",
  "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": "s390/bpf: Zero-extend bpf prog return values and kfunc arguments"
}