description: A null pointer dereference vulnerability exists in the handle_ioctl_0x830a0_systembuffer functionality of Callback technologies CBFS Filter 20.0.8317. A specially crafted I/O request packet (IRP) can lead to denial of service. An attacker can issue an ioctl to trigger this vulnerability.
problem types: CWE-476: NULL Pointer Dereference
affected:
{
vendor: Callback technologies
product: CBFS Filter
versions:
version: 20.0.8317, status: affected
}
metrics:
cvssV3_0: [
version: 3.0
vectorString: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector: LOCAL
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
baseScore: 6.2
baseSeverity: MEDIUM
]