High severity7.8NVD Advisory· Published Jan 8, 2016· Updated May 6, 2026

CVE-2015-6856

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
cpe:2.3:a:dell:pre-boot_authentication_driver:1.0.1.5:*:*:*:*:*:*:*

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

packetstormsecurity.com/files/134987/Dell-Authentication-Driver-Uncontrolled-Write.htmlnvdExploit
seclists.org/fulldisclosure/2015/Dec/81nvdExploit
www.korelogic.com/Resources/Advisories/KL-001-2015-008.txtnvdExploit
www.securityfocus.com/archive/1/537161/100/0/threadednvd
www.securityfocus.com/bid/79643nvd

News mentions

No linked articles in our index yet.

cvss	0.507
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000