CVE-2015-6856

Severity: high (CVSS 7.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2016-01-08 · updated 2026-06-17
Weakness: CWE-264

Description

Dell Pre-Boot Authentication Driver (PBADRV.sys) 1.0.1.5 allows local users to write to arbitrary physical memory locations and gain privileges via a 0x0022201c IOCTL call.

Affected products

Dell Pre-Boot Authentication Driver: 1.0.1.5

References

http://packetstormsecurity.com/files/134987/Dell-Authentication-Driver-Uncontrolled-Write.html
http://seclists.org/fulldisclosure/2015/Dec/81
http://www.securityfocus.com/archive/1/537161/100/0/threaded
http://www.securityfocus.com/bid/79643
https://www.korelogic.com/Resources/Advisories/KL-001-2015-008.txt
http://packetstormsecurity.com/files/134987/Dell-Authentication-Driver-Uncontrolled-Write.html
http://seclists.org/fulldisclosure/2015/Dec/81
http://www.securityfocus.com/archive/1/537161/100/0/threaded
http://www.securityfocus.com/bid/79643
https://www.korelogic.com/Resources/Advisories/KL-001-2015-008.txt

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