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Stack-based Buffer Overflow Affecting qemu-system-x86 package, versions <12:2.9.0-17.el7

Severity

 Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.22% (60th percentile)

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  • Snyk IDSNYK-ORACLE7-QEMUSYSTEMX86-2532686
  • published10 Apr 2022
  • disclosed16 Oct 2018
Report a new vulnerability Found a mistake?

Introduced: 16 Oct 2018

CVE-2018-10839  (opens in a new tab)
CWE-121  (opens in a new tab)

How to fix?

Upgrade Oracle:7 qemu-system-x86 to version 12:2.9.0-17.el7 or higher.
This issue was patched in ELSA-2018-4262.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qemu-system-x86 package and not the qemu-system-x86 package as distributed by Oracle. See How to fix? for Oracle:7 relevant fixed versions and status.

Qemu emulator <= 3.0.0 built with the NE2000 NIC emulation support is vulnerable to an integer overflow, which could lead to buffer overflow issue. It could occur when receiving packets over the network. A user inside guest could use this flaw to crash the Qemu process resulting in DoS.