CVE-2022-30772
First published: Tue Nov 15 2022(Updated: )
Manipulation of the input address in PnpSmm function 0x52 could be used by malware to overwrite SMRAM or OS kernel memory. Function 0x52 of the PnpSmm driver is passed the address and size of data to write into the SMBIOS table, but manipulation of the address could be used by malware to overwrite SMRAM or OS kernel memory. This issue was discovered by Insyde engineering during a security review. This issue is fixed in: Kernel 5.0: 05.09.41 Kernel 5.1: 05.17.43 Kernel 5.2: 05.27.30 Kernel 5.3: 05.36.30 Kernel 5.4: 05.44.30 Kernel 5.5: 05.52.30 https://www.insyde.com/security-pledge/SA-2022065
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Insyde Kernel | >=5.0<5.0.05.09.41 | |
| Insyde Kernel | >=5.1<5.1.05.17.43 | |
| Insyde Kernel | >=5.2<5.2.05.27.30 | |
| Insyde Kernel | >=5.3<5.3.05.36.30 | |
| Insyde Kernel | >=5.4<5.4.05.44.30 | |
| Insyde Kernel | >=5.5<5.5.05.52.30 |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID of this exploit?
The vulnerability ID is CVE-2022-30772.
What is the severity of CVE-2022-30772?
The severity of CVE-2022-30772 is high with a CVSS score of 8.2.
How does the manipulation of the input address in PnpSmm function 0x52 impact the system?
The manipulation of the input address in PnpSmm function 0x52 could be used by malware to overwrite SMRAM or OS kernel memory.
What is the affected software?
The affected software is Insyde Kernel versions 5.0.05.09.41 to 5.5.05.52.30.
How can I fix CVE-2022-30772?
There is currently no known fix for CVE-2022-30772. Contact Insyde for more information.
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