MediumFix available
intel-ucode, xen — security advisory
Microarchitectural Store Buffer Data Sampling (MSBDS): Store buffers on some microprocessors utilizing speculative execution may allow an authenticated user to potentially enable information disclosure via a side channel with local access. A list of impacted products can be found here: https://www.intel.com/content/dam/www/public/us/en/documents/corporate-information/SA00233-microcode-update-guidance_05132019.pdf
- Products
- intel-ucode, xen
- Affected versions
- Not specified
- Fixed versions
- 20190514a-r0, 20190618-r0, 20191112-r0, 4.10.3-r1, 4.11.1-r2, 4.12.0-r2, 4.9.4-r1
- CVEs
- CVE-2018-12126
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 21:57 UTC · Revision 1
Source evidence
Microarchitectural Store Buffer Data Sampling (MSBDS): Store buffers on some microprocessors utilizing speculative execution may allow an authenticated user to potentially enable information disclosure via a side channel with local access. A list of impacted products can be found here: https://www.intel.com/content/dam/www/public/us/en/documents/corporate-information/SA00233-microcode-update-guidance_05132019.pdf
osv:ALPINE-CVE-2018-12126
intel-ucode
Fixed versions: 20190514a-r0, 20190618-r0, 20191112-r0
intel-ucode
Fixed versions: 20190514a-r0, 20190618-r0, 20191112-r0
intel-ucode
Fixed versions: 20190514a-r0, 20190618-r0, 20191112-r0
intel-ucode
Fixed versions: 20190514a-r0, 20190618-r0, 20191112-r0
intel-ucode
Fixed versions: 20190514a-r0, 20190618-r0, 20191112-r0
intel-ucode
Fixed versions: 20190514a-r0, 20190618-r0, 20191112-r0
intel-ucode
Fixed versions: 20190514a-r0, 20190618-r0, 20191112-r0
intel-ucode
Fixed versions: 20190514a-r0, 20190618-r0, 20191112-r0
intel-ucode
Fixed versions: 20190514a-r0, 20190618-r0, 20191112-r0
intel-ucode
Fixed versions: 20190514a-r0, 20190618-r0, 20191112-r0
intel-ucode
Fixed versions: 20190514a-r0, 20190618-r0, 20191112-r0
intel-ucode
Fixed versions: 20190514a-r0, 20190618-r0, 20191112-r0
xen
Fixed versions: 4.12.0-r2
xen
Fixed versions: 4.12.0-r2
xen
Fixed versions: 4.12.0-r2
xen
Fixed versions: 4.12.0-r2
xen
Fixed versions: 4.12.0-r2
xen
Fixed versions: 4.12.0-r2
xen
Fixed versions: 4.12.0-r2
xen
Fixed versions: 4.12.0-r2
xen
Fixed versions: 4.12.0-r2
xen
Fixed versions: 4.12.0-r2
xen
Fixed versions: 4.12.0-r2
xen
Fixed versions: 4.12.0-r2
xen
Fixed versions: 4.12.0-r2
xen
Fixed versions: 4.12.0-r2
xen
Fixed versions: 4.12.0-r2
xen
Fixed versions: 4.9.4-r1
xen
Fixed versions: 4.10.3-r1
xen
Fixed versions: 4.11.1-r2
Complete source record
{
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"url": "https://osv.dev/vulnerability/ALPINE-CVE-2018-12126",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "ALPINE-CVE-2018-12126",
"summary": "Microarchitectural Store Buffer Data Sampling (MSBDS): Store buffers on some microprocessors utilizing speculative execution may allow an authenticated user to potentially enable information disclosure via a side channel with local access. A list of impacted products can be found here: https://www.intel.com/content/dam/www/public/us/en/documents/corporate-information/SA00233-microcode-update-guidance_05132019.pdf",
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],
"modified": "2026-10-23T17:17:55.208116423Z",
"provider": "osv",
"upstream": [
"CVE-2018-12126"
],
"references": [
"https://security.alpinelinux.org/vuln/CVE-2018-12126"
]
},
"related_cves": [
{
"value": "CVE-2018-12126",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 415003,
"published_at": "2019-05-30T16:29:00.87+00:00"
}