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140 lines
3.7 KiB
JSON
140 lines
3.7 KiB
JSON
{
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"id": "CVE-2021-4158",
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"sourceIdentifier": "secalert@redhat.com",
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"published": "2022-08-24T16:15:09.660",
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"lastModified": "2024-01-25T21:29:39.943",
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"vulnStatus": "Analyzed",
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"cveTags": [],
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"descriptions": [
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{
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"lang": "en",
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"value": "A NULL pointer dereference issue was found in the ACPI code of QEMU. A malicious, privileged user within the guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition."
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},
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{
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"lang": "es",
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"value": "Se ha encontrado un problema de desreferencia de puntero NULL en el c\u00f3digo ACPI de QEMU. Un usuario malicioso y con privilegios dentro del hu\u00e9sped pod\u00eda usar este fallo para bloquear el proceso de QEMU en el host, resultando en una situaci\u00f3n de denegaci\u00f3n de servicio."
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}
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],
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"metrics": {
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"cvssData": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H",
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"attackVector": "LOCAL",
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"attackComplexity": "LOW",
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"privilegesRequired": "HIGH",
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"userInteraction": "NONE",
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"scope": "CHANGED",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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"availabilityImpact": "HIGH",
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"baseScore": 6.0,
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"baseSeverity": "MEDIUM"
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},
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"exploitabilityScore": 1.5,
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"impactScore": 4.0
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}
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]
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},
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{
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"source": "secalert@redhat.com",
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"type": "Primary",
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"description": [
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{
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"lang": "en",
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"value": "CWE-476"
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}
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]
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},
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{
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"source": "nvd@nist.gov",
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"type": "Secondary",
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"description": [
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{
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"lang": "en",
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"value": "CWE-476"
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}
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}
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],
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"configurations": [
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"versionStartIncluding": "6.0.0",
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}
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],
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"references": [
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{
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"url": "https://access.redhat.com/security/cve/CVE-2021-4158",
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"source": "secalert@redhat.com",
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"tags": [
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"Third Party Advisory"
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]
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},
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{
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2035002",
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"source": "secalert@redhat.com",
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"tags": [
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"Issue Tracking",
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"Patch",
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"Third Party Advisory"
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]
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},
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{
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"url": "https://gitlab.com/qemu-project/qemu/-/commit/9bd6565ccee68f72d5012e24646e12a1c662827e",
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"source": "secalert@redhat.com",
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"tags": [
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"Patch",
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"Third Party Advisory"
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]
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},
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{
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"url": "https://gitlab.com/qemu-project/qemu/-/issues/770",
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"source": "secalert@redhat.com",
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"tags": [
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"Exploit",
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"Third Party Advisory"
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]
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},
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{
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"url": "https://www.mail-archive.com/qemu-devel%40nongnu.org/msg857944.html",
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"source": "secalert@redhat.com",
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"tags": [
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"Patch",
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"Third Party Advisory"
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]
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}
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]
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} |