CVE-2022-30772

Description

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

Category

8.2
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.04%
Vendor Advisory insyde.com Vendor Advisory insyde.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.insyde.com/security-pledge vendor advisory
https://www.insyde.com/security-pledge/SA-2022065 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-30772?
CVE-2022-30772 has been scored as a high severity vulnerability.
How to fix CVE-2022-30772?
To fix CVE-2022-30772, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-30772 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-30772 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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