CVE-2017-5579

Advisory lineage Upstream: 0 Downstream: 16
Modified
Published: 15 Mar 2017, 15:00
Last modified:05 Aug 2024, 15:04

Vulnerability Summary

Overall Risk (default)
medium
26/100
CVSS Score
6.5 MEDIUM
v3.1 (nvd)
EPSS Score
0.07% LOW
0% probability -0.07%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

15 Mar 2017, 15:00
Published
Vulnerability first disclosed
05 Aug 2024, 15:04
Last Modified
Vulnerability information updated

Description

Memory leak in the serial_exit_core function in hw/char/serial.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (host memory consumption and QEMU process crash) via a large number of device unplug operations.

CVSS Metrics

  • v3.1•MEDIUM•Score: 6.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
  • v2.0•MEDIUM•Score: 4.9AV:L/AC:L/Au:N/C:N/I:N/A:C

EPSS Trends

Current EPSS score: 0.07%• Percentile: 22%

Techniques & Countermeasures

  • CWE-401•Missing Release of Memory after Effective Lifetime

    The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.

Affected Systems

  • debian•debian_linux

    8.0

  • qemu•qemu

    ≤ 2.8.1.1 | 2.9.0:rc0 | 2.9.0:rc1 | 2.9.0:rc2 | 2.9.0:rc3 | 2.9.0:rc4 | 2.9.0:rc5

References (8)