CVE-2018-12182

Severity: medium (CVSS 6.7 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-03-27 · updated 2026-06-17
Weakness: CWE-441

Description

Insufficient memory write check in SMM service for EDK II may allow an authenticated user to potentially enable escalation of privilege, information disclosure and/or denial of service via local access.

Affected products

Extensible Firmware Interface Development Kit (EDK II): all versions

References

http://www.securityfocus.com/bid/107648
https://edk2-docs.gitbooks.io/security-advisory/content/sw-smi-confused-deputy-smramsavestate_c.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TQYVZRFEXSN3KS43AVH4D7QX553EZQYP/
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03912en_us
http://www.securityfocus.com/bid/107648
https://edk2-docs.gitbooks.io/security-advisory/content/sw-smi-confused-deputy-smramsavestate_c.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TQYVZRFEXSN3KS43AVH4D7QX553EZQYP/
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03912en_us

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