Strix
26.1K

CVE-2022-30772

HIGHCVSS 8.2/10EPSS 0.19%

Last modified

CVE-2022-30772 is a high-severity vulnerability rated 8.2/10 on the CVSS scale. 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. EPSS estimates a 0.19% chance of exploitation in the next 30 days.

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

Metrics

CVSS 3.1
8.2/10

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

EPSS Probability
0.19%

9.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
InsydeKernel>= 5.0, < 5.0.05.09.41
InsydeKernel>= 5.1, < 5.1.05.17.43
InsydeKernel>= 5.2, < 5.2.05.27.30
InsydeKernel>= 5.3, < 5.3.05.36.30
InsydeKernel>= 5.4, < 5.4.05.44.30
InsydeKernel>= 5.5, < 5.5.05.52.30

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2022-30772?
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
How severe is CVE-2022-30772?
CVE-2022-30772 has a CVSS score of 8.2/10 (HIGH severity). The EPSS model estimates a 0.19% probability of exploitation in the next 30 days.
How do I fix CVE-2022-30772?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-30772?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST