{"id":"CVE-2021-36147","aliases":["EUVD-2021-22779","GHSA-562r-pp42-gqc3"],"status":"published","title":"An issue was discovered in ACRN before 2.5. It allows a devicemodel/hw/pci/virtio/virtio_net.c...","description":"An issue was discovered in ACRN before 2.5. It allows a devicemodel/hw/pci/virtio/virtio_net.c virtio_net_ping_rxq NULL pointer dereference for vq-\u003eused.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00961,"percentile":0.62009,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-476"],"published":"2021-07-02T21:24:22Z","modified":"2026-06-17T03:58:24Z","products":[{"vendor":"linux","product":"acrn"}],"references":[{"url":"https://github.com/projectacrn/acrn-hypervisor/pull/6121/commits/131116b15b0e35a62085d23686b43ed1c12c1331","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-36147"},{"url":"https://github.com/advisories/GHSA-562r-pp42-gqc3"}],"sources":{"cve":[{"id":"CVE-2021-36147","description":"An issue was discovered in ACRN before 2.5. It allows a devicemodel/hw/pci/virtio/virtio_net.c virtio_net_ping_rxq NULL pointer dereference for vq-\u003eused.","status":"published","published":"2021-07-02T21:24:22Z","modified":"2024-08-04T00:47:43.825Z","updated_at":"2026-11-02T14:33:05.989686Z"}],"euvd":[{"id":"EUVD-2021-22779","description":"An issue was discovered in ACRN before 2.5. It allows a devicemodel/hw/pci/virtio/virtio_net.c virtio_net_ping_rxq NULL pointer dereference for vq-\u003eused.","status":"published","published":"2021-07-02T21:24:22Z","modified":"2024-08-04T00:47:43Z","updated_at":"2026-11-03T03:24:29.877227Z"}],"ghsa":[{"id":"GHSA-562r-pp42-gqc3","title":"An issue was discovered in ACRN before 2.5. It allows a devicemodel/hw/pci/virtio/virtio_net.c...","description":"An issue was discovered in ACRN before 2.5. It allows a devicemodel/hw/pci/virtio/virtio_net.c virtio_net_ping_rxq NULL pointer dereference for vq-\u003eused.","status":"published","published":"2022-05-24T19:06:54Z","modified":"2023-01-30T05:00:36Z","cwes":["CWE-476"],"updated_at":"2026-11-02T14:46:14.46933Z"}],"nvd":[{"id":"CVE-2021-36147","description":"An issue was discovered in ACRN before 2.5. It allows a devicemodel/hw/pci/virtio/virtio_net.c virtio_net_ping_rxq NULL pointer dereference for vq-\u003eused.","status":"published","published":"2021-07-02T22:15:08.957Z","modified":"2026-06-17T03:58:24.83Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:06:55.259633Z"}]}}