{"id":"CVE-2022-1852","title":"A NULL pointer dereference flaw was found in the Linux kernel’s KVM module, which can lead to a denial of service in the x86_emulate_insn in arch/x86/kvm/emulate.c","summary":"A NULL pointer dereference flaw was found in the Linux kernel’s KVM module, which can lead to a denial of service in the x86_emulate_insn in arch/x86/kvm/emulate.c. This flaw occurs while executing an illegal instruction in guest in the …","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-476","CWE-476"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel < 5.19","enterprise_linux = 8.0","enterprise_linux = 9.0"],"patched":["linux_kernel 5.19"],"published":"2022-06-30","updated":"2026-10-14","sourceUpdated":"2026-10-14T13:17:19.797","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2022-1852","references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2089815","label":"secalert@redhat.com"},{"url":"https://github.com/torvalds/linux/commit/fee060cd52d69c114b62d1a2948ea9648b5131f9","label":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2089815","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/torvalds/linux/commit/fee060cd52d69c114b62d1a2948ea9648b5131f9","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-794697.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd"],"epss":0.00305,"epssPercentile":0.21577,"ingestedAt":"2026-10-14T13:30:58.414Z","slug":"CVE-2022-1852","body":"## Overview\n\nA NULL pointer dereference flaw was found in the Linux kernel’s KVM module, which can lead to a denial of service in the x86_emulate_insn in arch/x86/kvm/emulate.c. This flaw occurs while executing an illegal instruction in guest in the Intel CPU.\n\n## Affected\n\n- `linux_kernel < 5.19`\n- `enterprise_linux = 8.0`\n- `enterprise_linux = 9.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 5.19`","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}