SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-12130

Microarchitectural Fill Buffer Data Sampling (MFBDS): Fill buffers on some microprocessors utilizing speculative execution may allow an authenticated user to potentially enable information disclosure via a side channel with local access.

MEDIUM 5.9EPSS 1.57%

Does this matter?

Lower severity and a low EPSS score (1.57%). Track it; it rarely justifies an emergency change on its own.

Description

Microarchitectural Fill Buffer Data Sampling (MFBDS): Fill buffers on some microprocessors utilizing speculative execution may allow an authenticated user to potentially enable information disclosure via a side channel with local access. A list of impacted products can be found here: https://www.intel.com/content/dam/www/public/us/en/documents/corporate-information/SA00233-microcode-update-guidance_05132019.pdf

CVSS 3.1
5.9 MEDIUMCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
EPSS
1.57% probability · 74th percentile
CISA KEV
Not listed
Weakness
CWE-200
Affected
intel/microarchitectural fill buffer data sampling firmware · fedoraproject/fedora
Source
secure@intel.com

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.