High severity · published Feb 1, 2023
CVE-2022-34398
Dell BIOS contains a Time-of-check Time-of-use vulnerability
7.0
CVSS
0.2%
EPSS
No
On KEV
Description
Dell BIOS contains a Time-of-check Time-of-use vulnerability. A local authenticated malicious user could\u00a0potentially exploit this vulnerability by using a specifically timed DMA transaction during an SMI to gain arbitrary code execution on the system.
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
High
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 5% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AA
Alienware Area 51m R1 Firmware · Dell
before 1.22.2 · source: NVD
AA
Alienware Area 51m R2 Firmware · Dell
before 1.19.0 · source: NVD
AA
Alienware Aurora R10 Firmware · Dell
before 2.3.2 · source: NVD
AA
Alienware Aurora R11 Firmware · Dell
before 1.0.17 · source: NVD
AA
Alienware Aurora R12 Firmware · Dell
before 1.1.17 · source: NVD
AA
Alienware Aurora R13 Firmware · Dell
before 1.7.0 · source: NVD
AA
Alienware Aurora R8 Firmware · Dell
before 1.0.26 · source: NVD
AA
Alienware Aurora R9 Firmware · Dell
before 1.0.22 · source: NVD
AM
Alienware M15 R1 Firmware · Dell
before 2.15.0 · source: NVD
AM
Alienware M15 R2 Firmware · Dell
before 1.18.3 · source: NVD
AM
Alienware M15 R3 Firmware · Dell
before 1.20.0 · source: NVD
AM
Alienware M15 R4 Firmware · Dell
before 1.14.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-34398
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-34398
Vendor Advisory
https://www.dell.com/support/kbdoc/000206038
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