CVE-2016-7907

Advisory lineage Upstream: 0 Downstream: 5
Modified
Published: 05 Oct 2016, 16:00
Last modified:06 Aug 2024, 02:13

Vulnerability Summary

Overall Risk (default)
low
18/100
CVSS Score
4.4 MEDIUM
v3.1 (nvd)
EPSS Score
0.11% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

05 Oct 2016, 16:00
Published
Vulnerability first disclosed
06 Aug 2024, 02:13
Last Modified
Vulnerability information updated

Description

The imx_fec_do_tx function in hw/net/imx_fec.c in QEMU (aka Quick Emulator) does not properly limit the buffer descriptor count when transmitting packets, which allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) via vectors involving a buffer descriptor with a length of 0 and crafted values in bd.flags.

CVSS Metrics

  • v3.1•MEDIUM•Score: 4.4CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
  • v2.0•LOW•Score: 2.1AV:L/AC:L/Au:N/C:N/I:N/A:P

EPSS Trends

Current EPSS score: 0.11%• Percentile: 29%

Techniques & Countermeasures

  • CWE-20•Improper Input Validation

    The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

  • CWE-399•Resource Management Errors

    Weaknesses in this category are related to improper management of system resources.

Affected Systems

  • 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 (6)