{ "data_type": "CVE", "data_format": "MITRE", "data_version": "4.0", "CVE_data_meta": { "ID": "CVE-2022-1263", "ASSIGNER": "secalert@redhat.com", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "vendor_name": "n/a", "product": { "product_data": [ { "product_name": "Kernel:KVM", "version": { "version_data": [ { "version_value": "Fixed in kernel v5.18-rc3" } ] } } ] } } ] } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-476 - NULL Pointer Dereference." } ] } ] }, "references": { "reference_data": [ { "refsource": "MISC", "name": "https://bugzilla.redhat.com/show_bug.cgi?id=2072698", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2072698" }, { "refsource": "MISC", "name": "https://www.openwall.com/lists/oss-security/2022/04/07/1", "url": "https://www.openwall.com/lists/oss-security/2022/04/07/1" }, { "refsource": "MISC", "name": "https://github.com/torvalds/linux/commit/5593473a1e6c743764b08e3b6071cb43b5cfa6c4", "url": "https://github.com/torvalds/linux/commit/5593473a1e6c743764b08e3b6071cb43b5cfa6c4" }, { "refsource": "MISC", "name": "https://access.redhat.com/security/cve/CVE-2022-1263", "url": "https://access.redhat.com/security/cve/CVE-2022-1263" } ] }, "description": { "description_data": [ { "lang": "eng", "value": "A NULL pointer dereference issue was found in KVM when releasing a vCPU with dirty ring support enabled. This flaw allows an unprivileged local attacker on the host to issue specific ioctl calls, causing a kernel oops condition that results in a denial of service." } ] } }