{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "9b73896a81dc68a638a011877b7344b252f92276"
            },
            {
              "fixed": "37108861cf7bd909d4a372069bcd61c8f489e232"
            },
            {
              "fixed": "3c70d27e792a28bca650ddd8a9aa0fe3591ffec5"
            },
            {
              "fixed": "1d26a6e007d46babc7fa76e5a157dccf86cd55c0"
            },
            {
              "fixed": "b0e94ea63dbdcbfec9beb819cd5f8fa584809ef2"
            },
            {
              "fixed": "21526f8a191a3c50622b8c10bd927870d780eae4"
            },
            {
              "fixed": "292846223eaddba890e40699d2ab82ee5671798c"
            },
            {
              "fixed": "f392affef3c9ce64dfdde794df0579e0a7793440"
            },
            {
              "fixed": "b0346dd64e4905291cc9c479f2e6cf1884ced4e6"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.9.0"
            },
            {
              "fixed": "5.10.270"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.221"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.188"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.157"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.110"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.52"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.2.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90143.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: kcm: Hold RCU read lock while running BPF parser\n\nkcm_parse_func_strparser() calls bpf_prog_run_pin_on_cpu() which\nprevents CPU migration, but does not establish an RCU read-side\ncritical section. Consequently, BPF map operations can trigger\nWARN_ON_ONCE(!bpf_rcu_lock_held()) when called from the KCM strparser\nprogram.\n\nHold the RCU read lock while running the program.",
  "id": "CVE-2026-90143",
  "modified": "2026-09-18T03:30:22.211586199Z",
  "published": "2026-09-17T16:06:39.775Z",
  "references": [
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1d26a6e007d46babc7fa76e5a157dccf86cd55c0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/21526f8a191a3c50622b8c10bd927870d780eae4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/292846223eaddba890e40699d2ab82ee5671798c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/37108861cf7bd909d4a372069bcd61c8f489e232"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3c70d27e792a28bca650ddd8a9aa0fe3591ffec5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b0346dd64e4905291cc9c479f2e6cf1884ced4e6"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b0e94ea63dbdcbfec9beb819cd5f8fa584809ef2"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f392affef3c9ce64dfdde794df0579e0a7793440"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90143.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-90143"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "net: kcm: Hold RCU read lock while running BPF parser"
}