CVE-2022-34390
HIGHCVSS 7.8/10EPSS 0.16%
Last modified
CVE-2022-34390 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 0.16% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Dell | Alienware Area-51 R5 Firmware | < 2.0.6 |
| Dell | Alienware Area-51 R4 Firmware | < 2.0.6 |
References
- https://www.dell.com/support/kbdoc/000203882Vendor Advisory
- https://www.dell.com/support/kbdoc/000203882Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2022-34390?
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.
How severe is CVE-2022-34390?
CVE-2022-34390 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.16% probability of exploitation in the next 30 days.
How do I fix CVE-2022-34390?
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-2022-34390?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST