CVE-2018-12130

medium
Published 2019-05-14 ยท Modified 2026-05-29
CVSS v3
5.9
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
CVSS v4 NEW
โ€”
not yet in upstream
VIR risk
5.9

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

Predictions

Exploit likelihood
59%
Patch ETA
โ€”

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ€” if you've already worked around this in production โ€” publish your fix to the community-verified tier.

โœš Propose a mitigation on Community โ†’ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

fedora Fedora Affected 1 release
VersionStatusFixed in
29 Affected โ€”
suse SUSE Affected 1 release
VersionStatusFixed in
โ€” Affected โ€”
debian Debian Fixed 5 releases
VersionStatusFixed in
trixie Fixed 3.20190514.1
sid Fixed 3.20190514.1
forky Fixed 3.20190514.1
bullseye Fixed 3.20190514.1
bookworm Fixed 3.20190514.1
redhat Red Hat Fixed 1 release
VersionStatusFixed in
8 Fixed โ€”

Application impact

References

CWEs

CWE-200

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.