CVE-2016-2197

Qemu: ide: ahci null pointer dereference when using FIS CLB engines

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Severity

Low

Red Hat Product Security

2.3

CVSS 2.0

Review impact separately from score.

Published · January 28, 2016

Updated · November 21, 2025

Description

A NULL pointer dereference flaw was found in the QEMU emulator built with IDE AHCI emulation support. The flaw occurs when unmapping the Frame Information Structure(FIS) & Command List Block(CLB) entries. A privileged user inside a guest could use this flaw to crash the QEMU process instance (denial of service).

Statement

This has been rated as having Low security impact and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 2.0 · 2.3
AV:A/AC:M/Au:S/C:N/I:N/A:P

CWE-476 · NULL Pointer Dereference