bpf: Take return from set_memory_ro() into account with bpf_prog_lock_ro()

{
  "id": "546f72a4db9cff98c45218ca831cb2a0425dfd95f4247b1194978c5655d52ccb",
  "url": "https://osv.dev/vulnerability/CVE-2024-42068",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "bpf: Take return from set_memory_ro() into account with bpf_prog_lock_ro()",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: bpf: Take return from set_memory_ro() into account with bpf_prog_lock_ro() set_memory_ro() can fail, leaving memory unprotected. Check its return and take it into account as an error.",
    "evidence": "osv:CVE-2024-42068",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.15.162",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.1.97",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.6.160",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.9.8",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CVE-2024-42068",
      "aliases": [
        "CVE-2024-42068"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "60a3b2253c413cf601783b070507d7dd6620c954"
                },
                {
                  "fixed": "a359696856ca9409fb97655c5a8ef0f549cb6e03"
                },
                {
                  "fixed": "e4f602e3ff749ba770bf8ff10196e18358de6720"
                },
                {
                  "fixed": "2bbfffa802adc30b772d0e0f881a13c3804a965c"
                },
                {
                  "fixed": "05412471beba313ecded95aa17b25fe84bb2551a"
                },
                {
                  "fixed": "7d2cc63eca0c993c99d18893214abf8f85d566d8"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-42068.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "3.18.0"
                },
                {
                  "fixed": "5.15.162"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.16.0"
                },
                {
                  "fixed": "6.1.97"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.2.0"
                },
                {
                  "fixed": "6.6.160"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.7.0"
                },
                {
                  "fixed": "6.9.8"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-42068.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:38.164527753Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/05412471beba313ecded95aa17b25fe84bb2551a",
        "https://git.kernel.org/stable/c/2bbfffa802adc30b772d0e0f881a13c3804a965c",
        "https://git.kernel.org/stable/c/7d2cc63eca0c993c99d18893214abf8f85d566d8",
        "https://git.kernel.org/stable/c/a359696856ca9409fb97655c5a8ef0f549cb6e03",
        "https://git.kernel.org/stable/c/e3540e5a7054d6daaf9a1415a48aacb092112a89",
        "https://git.kernel.org/stable/c/e4f602e3ff749ba770bf8ff10196e18358de6720",
        "https://git.kernel.org/stable/c/fdd411af8178edc6b7bf260f8fa4fba1bedd0a6d",
        "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/42xxx/CVE-2024-42068.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-42068",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/42xxx/CVE-2024-42068.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-42068",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 505763,
  "published_at": "2024-07-29T15:52:32.538+00:00"
}