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Security Advisory - Intel Microarchitectural Data Sampling (MDS) vulnerabilities

  • SA No:huawei-sa-20190712-01-mds
  • Initial Release Date: Jul 12, 2019
  • Last Release Date: Jul 12, 2019

Intel officially released a group of microarchitecture data sampling (MDS) vulnerabilities. An attacker with local access to a targeted system may exploit these vulnerabilities to obtain data on the targeted system, causing some information leakage. (Vulnerability ID: HWPSIRT-2019-05136, HWPSIRT-2019-05137, HWPSIRT-2019-05138 and HWPSIRT-2019-05139)

The four vulnerabilities have been assigned four Common Vulnerabilities and Exposures (CVE) IDs: CVE-2018-12126, CVE-2018-12127, CVE-2018-12130 and CVE-2019-11091.

Huawei has released software updates to fix these vulnerabilities. This advisory is available at the following link:

Product Name

Affected Version

Resolved Product and Version

1288H V5/ 2288H V5

Versions earlier than V100R005C00SPC124 (BIOS V683)

V100R005C00SPC124 (BIOS V683)

2488 V5

Versions earlier than V100R005C00SPC512 (BIOS V683)

V100R005C00SPC512 (BIOS V683)

2488H V5

Versions earlier than V100R005C00SPC213 (BIOS V683)

V100R005C00SPC213 (BIOS V683)

5288 V3

Versions earlier than V100R003C00SPC709 (BIOS V515)

V100R003C00SPC709 (BIOS V515)

5885H V5

Versions earlier than V100R005C00SPC113 (BIOS V683)

V100R005C00SPC113 (BIOS V683)

CH121 V3/ CH121L V3/ CH140 V3/ CH140L V3/ CH220 V3/ CH222 V3/ CH225 V3/ CH226 V3

Versions earlier than V100R001C00SPC286 (BIOS V515)

V100R001C00SPC286 (BIOS V515)

CH121 V5/ CH242 V5

Versions earlier than V100R001C00SPC166 (BIOS V683)

V100R001C00SPC166 (BIOS V683)

CH242 V3

Versions earlier than V100R001C00SPC286 (BIOS V360 & DDR4: BIOS V828)

V100R001C00SPC286 (BIOS V360 & DDR4: BIOS V828)

G5500 G560

Versions earlier than Fusionserver G5500 1.0.2.SPC7 (BIOS V516)

Fusionserver G5500 1.0.2.SPC7 (BIOS V516)

RH1288 V3/ RH2288H V3

Versions earlier than V100R003C00SPC712 (BIOS V515)

V100R003C00SPC712 (BIOS V515)

RH2288 V3

Versions earlier than V100R003C00SPC711 (BIOS V515)

V100R003C00SPC711 (BIOS V515)

RH5885 V3

Versions earlier than V100R003C01SPC126 (E7V3&E7V4: BIOS V828)

V100R003C01SPC126 (E7V3&E7V4: BIOS V828)

Versions earlier than V100R003C01SPC129 (E7V2: BIOS V360)

V100R003C01SPC129 (E7V2: BIOS V360)

RH5885H V3

Versions earlier than V100R003C00SPC219 (E7V2: BIOS V360 & E7V3: BIOS V662)

V100R003C00SPC219 (E7V2: BIOS V360 & E7V3: BIOS V662)

Versions earlier than V100R003C10SPC126 (E7V4: BIOS V828)

V100R003C10SPC126 (E7V4: BIOS V828)

RH8100 V3

Versions earlier than V100R003C00SPC233 (E7V2&E7V43: BIOS V701 & E7V4: BIOS V828)

V100R003C00SPC233 (E7V2&E7V43: BIOS V701 & E7V4: BIOS V828)

XH321 V3/ XH620 V3/ XH622 V3/ XH628 V3/ X6000 V3

Versions earlier than V100R003C00SPC710 (BIOS V515)

V100R003C00SPC710 (BIOS V515)

XH321 V5

Versions earlier than V100R005C00SPC504 (BIOS V683)

V100R005C00SPC504 (BIOS V683)

Attackers may exploit these vulnerabilities to obtain data on the targeted system, causing some information leakage.

The vulnerability classification has been performed by using the CVSSv3 scoring system (

CVE-2018-12126, CVE-2018-12127, CVE-2018-12130:

Base Score: 6.5 (AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N)

Temporal Score: 5.9 (E:P/RL:O/RC:C)


Base Score: 3.8 (AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N)

Temporal Score: 3.4 (E:P/RL:O/RC:C)

These vulnerabilities can be exploited only when the following conditions are present:

An attacker must be able to run crafted code on an affected device. 

Vulnerability details: 

Attackers may exploit these MDS vulnerabilities to obtain data on the targeted system, causing some information leakage.

Customers should contact Huawei TAC (Huawei Technical Assistance Center) to request the upgrades. For TAC contact information, please refer to Huawei worldwide website at

These vulnerabilities were publicly disclosed.
2019-07-12 V1.0 INITIAL

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