High severity · published Oct 12, 2022
CVE-2022-34390
Dell BIOS contains a use of uninitialized variable vulnerability
7.8
CVSS
0.2%
EPSS
No
On KEV
Description
Dell BIOS contains a use of uninitialized variable vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to gain arbitrary code execution in SMRAM.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 7% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CB
CPG BIOS · Dell
before 8 MSI Platforms · source: vendor
AA
Alienware Area-51 R4 Firmware · Dell
before 2.0.6 · source: NVD
AA
Alienware Area-51 R5 Firmware · Dell
before 2.0.6 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-34390
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-34390
Vendor Advisory
https://www.dell.com/support/kbdoc/000203882
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