{"id":"CVE-2026-50079","aliases":["EUVD-2026-122655","GHSA-7356-x4xh-v6x9"],"status":"published","title":"Vulnerabilities in the QNX Virtual Machine (QVM) affect QNX Hypervisor and QNX Hypervisor for Safety","description":"Time-of-check Time-of-use (TOCTOU) Race Condition in the virtio network virtual device could allow an attacker in the guest to manipulate the virtual network device causing a crash of the QVM.","severity":{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"cna","from":"cve"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-367"],"published":"2026-11-10T19:22:21Z","modified":"2026-11-10T21:34:38Z","products":[{"vendor":"blackberry ltd","product":"qnx hypervisor"},{"vendor":"blackberry ltd","product":"qnx hypervisor for safety"}],"references":[{"url":"https://support.blackberry.com/pkb/s/article/141343"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-50079"},{"url":"https://github.com/advisories/GHSA-7356-x4xh-v6x9"}],"sources":{"cve":[{"id":"CVE-2026-50079","title":"Vulnerabilities in the QNX Virtual Machine (QVM) affect QNX Hypervisor and QNX Hypervisor for Safety","description":"Time-of-check Time-of-use (TOCTOU) Race Condition in the virtio network virtual device could allow an attacker in the guest to manipulate the virtual network device causing a crash of the QVM.","status":"published","published":"2026-11-10T19:22:21.791Z","modified":"2026-11-10T19:22:21.791Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"cna"}],"cwes":["CWE-367"],"updated_at":"2026-11-10T22:18:27.383863Z"}],"euvd":[{"id":"EUVD-2026-122655","description":"Time-of-check Time-of-use (TOCTOU) Race Condition in the virtio network virtual device could allow an attacker in the guest to manipulate the virtual network device causing a crash of the QVM.","status":"published","published":"2026-11-10T19:22:21Z","modified":"2026-11-10T19:22:21Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low"}],"updated_at":"2026-11-11T00:25:05.393278Z"}],"ghsa":[{"id":"GHSA-7356-x4xh-v6x9","title":"Time-of-check Time-of-use (TOCTOU) Race Condition in the virtio network virtual device could...","description":"Time-of-check Time-of-use (TOCTOU) Race Condition in the virtio network virtual device could allow an attacker in the guest to manipulate the virtual network device causing a crash of the QVM.","status":"published","published":"2026-11-10T21:34:31Z","modified":"2026-11-10T21:34:38Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low"}],"cwes":["CWE-367"],"updated_at":"2026-11-10T21:57:58.545441Z"}],"nvd":[{"id":"CVE-2026-50079","description":"Time-of-check Time-of-use (TOCTOU) Race Condition in the virtio network virtual device could allow an attacker in the guest to manipulate the virtual network device causing a crash of the QVM.","status":"published","published":"2026-11-10T20:19:12.443Z","modified":"2026-11-10T20:19:12.443Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"secondary"}],"cwes":["CWE-367"],"updated_at":"2026-11-10T22:21:33.755054Z"}]}}