Exploit Report

Computer Security And Bug Information


CVE Ordinal Value240999
Published Date2022-09-22T16:15Z
Modified Date2022-09-23T19:03Z
CWE TypeNVD-CWE-noinfo
DescriptionAn issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. An SMM callout vulnerability in the SMM driver in UsbLegacyControlSmm leads to possible arbitrary code execution in SMM and escalation of privileges. An attacker could overwrite the function pointers in the EFI_BOOT_SERVICES table before the USB SMI handler triggers. (This is not exploitable from code running in the operating system.)
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Reference URLhttps://www.insyde.com/security-pledge
Reference DescriptionMISC https://www.insyde.com/security-pledge
Reference URLhttps://www.insyde.com/security-pledge/SA-2022031
Reference DescriptionMISC https://www.insyde.com/security-pledge/SA-2022031
Reference URLhttps://binarly.io/advisories/BRLY-2022-022/index.html
Reference DescriptionMISC https://binarly.io/advisories/BRLY-2022-022/index.html
TagsVendor Advisory

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