Out-of-bounds Read Affecting qemu-system-aarch64 package, versions <15:3.1.0-1.el7


Severity

Recommended
0.0
high
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.08% (35th percentile)

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  • Snyk IDSNYK-ORACLE7-QEMUSYSTEMAARCH64-2530439
  • published10 Apr 2022
  • disclosed1 Mar 2018

Introduced: 1 Mar 2018

CVE-2018-7550  (opens in a new tab)
CWE-125  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade Oracle:7 qemu-system-aarch64 to version 15:3.1.0-1.el7 or higher.
This issue was patched in ELSA-2019-4585.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qemu-system-aarch64 package and not the qemu-system-aarch64 package as distributed by Oracle. See How to fix? for Oracle: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