CVE-2018-12126
Description
Microarchitectural Store Buffer Data Sampling (MSBDS): Store 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
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 — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Fedora Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| 29 | Affected | — |
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
Debian Fixed 5 releases
| Version | Status | Fixed 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 |
Red Hat Fixed 1 release
| Version | Status | Fixed in |
|---|---|---|
| 8 | Fixed | — |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| intel | microarchitectural_store_buffer_data_sampling | - | |
| intel | microarchitectural_store_buffer_data_sampling_firmware | - | |
References
- https://www.suse.com/security/cve/CVE-2018-12126.html
- https://security-tracker.debian.org/tracker/CVE-2018-12126
- https://access.redhat.com/errata/RHSA-2019:1167
- https://access.redhat.com/errata/RHSA-2019:1174
- https://access.redhat.com/errata/RHSA-2019:1175
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00014.html
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00052.html
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00053.html
- http://packetstormsecurity.com/files/155281/FreeBSD-Security-Advisory-FreeBSD-SA-19-26.mcu.html
- http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2019-003.txt
- http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20190712-01-mds-en
- https://access.redhat.com/errata/RHSA-2019:1455
- https://access.redhat.com/errata/RHSA-2019:2553
- https://cert-portal.siemens.com/productcert/pdf/ssa-608355.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-616472.pdf
- https://kc.mcafee.com/corporate/index?page=content&id=SB10292
- https://lists.debian.org/debian-lts-announce/2019/06/msg00018.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OH73SGTJ575OBCPSJFX6LX7KP2KZIEN4/
- https://seclists.org/bugtraq/2019/Jun/28
- https://seclists.org/bugtraq/2019/Jun/36
- https://seclists.org/bugtraq/2019/Nov/15
- https://seclists.org/bugtraq/2019/Nov/16
- https://seclists.org/bugtraq/2020/Jan/21
- https://security.FreeBSD.org/advisories/FreeBSD-SA-19:26.mcu.asc
- https://security.gentoo.org/glsa/202003-56
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.