CVE-2016-2858

Qemu: rng-random: arbitrary stack based allocation leading to corruption

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Severity

Low

Red Hat Product Security

4.3

CVSS 2.0

Review impact separately from score.

Published · January 22, 2016

Updated · November 21, 2025

Description

QEMU, when built with the Pseudo Random Number Generator (PRNG) back-end support, allows local guest OS users to cause a denial of service (process crash) via an entropy request, which triggers arbitrary stack based allocation and memory corruption.

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 · 4.3
AV:A/AC:M/Au:N/C:N/I:P/A:P

CWE not specified