Out-of-bounds Write Affecting qemu-kvm-common-rhev package, versions *


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.08% (35th percentile)

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  • Snyk IDSNYK-RHEL7-QEMUKVMCOMMONRHEV-5095317
  • published26 Jul 2021
  • disclosed27 Feb 2018

Introduced: 27 Feb 2018

CVE-2018-7550  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:7 qemu-kvm-common-rhev.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qemu-kvm-common-rhev package and not the qemu-kvm-common-rhev package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

The load_multiboot function in hw/i386/multiboot.c in Quick Emulator (aka QEMU) allows local guest OS users to execute arbitrary code on the QEMU host via a mh_load_end_addr value greater than mh_bss_end_addr, which triggers an out-of-bounds read or write memory access.

CVSS Scores

version 3.1