117 lines
4.8 KiB
JSON
117 lines
4.8 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-18448",
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"assignerOrgId": "65518388-201a-4f93-8712-366d21fe8d2c",
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"state": "PUBLISHED",
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"assignerShortName": "TianoCore",
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"dateReserved": "2026-07-31T04:04:58.388Z",
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"datePublished": "2026-11-10T18:39:53.329Z",
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"dateUpdated": "2026-11-10T18:39:53.329Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "65518388-201a-4f93-8712-366d21fe8d2c",
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"shortName": "TianoCore",
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"dateUpdated": "2026-11-10T18:39:53.329Z"
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},
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"title": "Leak SMM RAM from the kernel (Simply TSA after an SMI)",
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"datePublic": "2026-11-10T18:38:00.000Z",
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"problemTypes": [
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{
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"descriptions": [
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{
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"lang": "en",
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"cweId": "CWE-1420",
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"description": "CWE-1420 Exposure of Sensitive Information during Transient Execution",
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"type": "CWE"
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}
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]
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}
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],
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"affected": [
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{
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"vendor": "TianoCore",
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"product": "EDK2",
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"versions": [
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{
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"status": "affected",
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"version": "0",
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"lessThanOrEqual": "edk2-stable202608",
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"versionType": "custom"
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}
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],
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"defaultStatus": "unaffected"
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}
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],
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"descriptions": [
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{
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"lang": "en",
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"value": "EDK2 contains a vulnerability in BIOS\nwhere a privileged attacker may cause “Exposure of Sensitive Information during\nTransient Execution” by local access. Successful exploitation of\nthis vulnerability may result in disclosure of SMRAM contents. It could also impact Confidentiality.",
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"supportingMedia": [
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{
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"type": "text/html",
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"base64": false,
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"value": "<p>EDK2 contains a vulnerability in BIOS\nwhere a privileged attacker may cause “Exposure of Sensitive Information during\nTransient Execution” by local access. Successful exploitation of\nthis vulnerability may result in disclosure of SMRAM contents. It could also impact Confidentiality.</p>"
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}
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]
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}
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],
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"references": [
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{
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"url": "https://github.com/tianocore/edk2/security/advisories/GHSA-7v86-66vf-h88j"
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}
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],
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"metrics": [
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{
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"format": "CVSS",
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"scenarios": [
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{
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"lang": "en",
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"value": "GENERAL"
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}
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],
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"cvssV4_0": {
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"attackVector": "LOCAL",
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"attackComplexity": "HIGH",
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"attackRequirements": "PRESENT",
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"privilegesRequired": "HIGH",
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"userInteraction": "NONE",
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"vulnConfidentialityImpact": "HIGH",
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"subConfidentialityImpact": "NONE",
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"vulnIntegrityImpact": "NONE",
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"subIntegrityImpact": "NONE",
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"vulnAvailabilityImpact": "NONE",
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"subAvailabilityImpact": "NONE",
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"exploitMaturity": "NOT_DEFINED",
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"Safety": "NOT_DEFINED",
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"Automatable": "NOT_DEFINED",
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"Recovery": "NOT_DEFINED",
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"valueDensity": "NOT_DEFINED",
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"vulnerabilityResponseEffort": "NOT_DEFINED",
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"providerUrgency": "NOT_DEFINED",
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"version": "4.0",
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"baseSeverity": "MEDIUM",
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"baseScore": 5.6,
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"vectorString": "CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"
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}
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}
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],
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"credits": [
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{
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"lang": "en",
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"value": "Abdul Lateef Attar",
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"type": "reporter"
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}
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],
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"source": {
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"discovery": "UNKNOWN"
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},
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"x_generator": {
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"engine": "Vulnogram 1.0.5"
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}
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}
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}
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} |