Kernel
CVE-2023-28468
MEDIUM
Severity by source
AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N
Lifecycle Timeline
1DescriptionNVD
An issue was discovered in FvbServicesRuntimeDxe in Insyde InsydeH2O with kernel 5.0 through 5.5. The FvbServicesRuntimeDxe SMM module exposes an SMI handler that allows an attacker to interact with the SPI flash at run-time from the OS.
AnalysisAI
An issue was discovered in FvbServicesRuntimeDxe in Insyde InsydeH2O with kernel 5.0 through 5.5. Rated medium severity (CVSS 6.5), this vulnerability is low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified as Incorrect Authorization (CWE-863), which allows attackers to bypass authorization checks to access restricted resources. An issue was discovered in FvbServicesRuntimeDxe in Insyde InsydeH2O with kernel 5.0 through 5.5. The FvbServicesRuntimeDxe SMM module exposes an SMI handler that allows an attacker to interact with the SPI flash at run-time from the OS. Affected products include: Insyde Kernel. Version information: through 5.5..
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Review and test authorization logic, implement consistent access control checks, use centralized authorization framework.
NetworkPkg/IScsiDxe has remotely exploitable buffer overflows. Rated high severity (CVSS 8.1), this vulnerability is rem
Unspecified vulnerability in HP Operations Manager 9.20 on UNIX allows remote attackers to execute arbitrary code via un
An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. Rated high severity (CVSS 8.2), this vulnerabil
Use of a untrusted pointer allows tampering with SMRAM and OS memory in SdHostDriver and SdMmcDevice Use of a untrusted
Incorrect pointer checks within the NvmExpressDxe driver can allow tampering with SMRAM and OS memory Incorrect pointer
SMI functions in AhciBusDxe use untrusted inputs leading to corruption of SMRAM. Rated high severity (CVSS 8.2), this vu
Manipulation of the input address in PnpSmm function 0x52 could be used by malware to overwrite SMRAM or OS kernel memor
Initialization function in PnpSmm could lead to SMRAM corruption when using subsequent PNP SMI functions Initialization
In UsbCoreDxe, untrusted input may allow SMRAM or OS memory tampering Use of untrusted pointers could allow OS or SMRAM
An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. Rated high severity (CVSS 7.8), this vulnerabil
In UsbCoreDxe, tampering with the contents of the USB working buffer using DMA while certain USB transactions are in pro
A memory corruption vulnerability in StorageSecurityCommandDxe in Insyde InsydeH2O before kernel 5.2: IB19130163 in 05.2
Same weakness CWE-863 – Incorrect Authorization
View allSame technique Authentication Bypass
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External POC / Exploit Code
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