CVE-2022-34398
What it is
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.
At a glance
- Exploitability
- Can be exploited locally on the machine with a low-privilege account, but needs a user to act. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 0.2% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.2% in the next 30 days (EPSS).
- Severity: 7.5 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.2% · EPSS, next 30 days
- Weakness
- CWE-367
- Record status
- Modified
Affected
- Dell Alienware Area 51m r1 Firmware < 1.22.2
- Dell Alienware Area 51m r2 Firmware < 1.19.0
- Dell Alienware Aurora r10 Firmware < 2.3.2
- Dell Alienware Aurora r11 Firmware < 1.0.17
- Dell Alienware Aurora r12 Firmware < 1.1.17
- Dell Alienware Aurora r13 Firmware < 1.7.0
- Dell Alienware Aurora r8 Firmware < 1.0.26
- Dell Alienware Aurora r9 Firmware < 1.0.22
Attack profile CVSS 3.1 · 7.5
- Attack vector
- Local
- Complexity
- High
- Privileges needed
- Low
- User interaction
- Required
- Scope
- Changed
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2022-34398.md and follow it. Check whether this project is affected by CVE-2022-34398. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
