MEDIUM
Kernel: speculative bounds check bypass store
Published Jul 10, 2018
5.6
MEDIUMCVSS 3.1
EPSS 8.63%
Description
Systems with microprocessors utilizing speculative execution and branch prediction may allow unauthorized disclosure of information to an attacker with local user access via a speculative buffer overflow and side-channel analysis.
Affected products
-
- Version AllStatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Intel Corporation | Most Modern Operating Systems | n/a |
|
Configuration 1
OR
- c2308
- c2316
- c2338
- c2350
- c2358
- c2508
- c2516
- c2518
- c2530
- c2538
- c2550
- c2558
- c2718
- c2730
- c2738
- c2750
- c2758
- c3308
- c3338
- c3508
- c3538
- c3558
- c3708
- c3750
- c3758
- c3808
- c3830
- c3850
- c3858
- c3950
- c3955
- c3958
Configuration 2
Configuration 3
Configuration 4
OR
- z2420
- z2460
- z2480
- z2520
- z2560
- z2580
- z2760
- z3460
- z3480
- z3530
- z3560
- z3570
- z3580
- z3590
- z3735d
- z3735e
- z3735f
- z3735g
- z3736f
- z3736g
- z3740
- z3740d
- z3745
- z3745d
- z3770
- z3770d
- z3775
- z3775d
- z3785
- z3795
Configuration 5
OR
- j1750
- j1800
- j1850
- j1900
- j3060
- j3160
- j3355
- j3455
- j4005
- j4105
Configuration 6
OR
- n2805
- n2806
- n2807
- n2808
- n2810
- n2815
- n2820
- n2830
- n2840
- n2910
- n2920
- n2930
- n2940
- n3000
- n3010
- n3050
- n3060
- n3150
- n3160
- n3350
- n3450
- n4000
- n4100
Configuration 7
OR
- 330e
- 330m
- 330um
- 350m
- 370m
- 380m
- 380um
- 390m
- 530
- 540
- 550
- 560
- 2100
- 2100t
- 2102
- 2105
- 2115c
- 2120
- 2120t
- 2125
- 2130
- 2310e
- 2310m
- 2312m
- 2328m
- 2330e
- 2330m
- 2340ue
- 2348m
- 2350m
- 2357m
- 2365m
- 2367m
- 2370m
- 2375m
- 2377m
- 3110m
- 3115c
- 3120m
- 3120me
- 3130m
- 3210
- 3217u
- 3217ue
- 3220
- 3220t
- 3225
- 3227u
- 3229y
- 3240
- 3240t
- 3245
- 3250
- 3250t
- 4000m
- 4005u
- 4010u
- 4010y
- 4012y
- 4020y
- 4025u
- 4030u
- 4030y
- 4100e
- 4100m
- 4100u
- 4102e
- 4110e
- 4110m
- 4112e
- 4120u
- 4130
- 4130t
- 4150
- 4150t
- 4158u
- 4160
- 4160t
- 4170
- 4170t
- 4330
- 4330t
- 4330te
- 4340
- 4340te
- 4350
- 4350t
- 4360
- 4360t
- 4370
- 4370t
- 5005u
- 5010u
- 5015u
- 5020u
- 5157u
- 6006u
- 6098p
- 6100
- 6100e
- 6100h
- 6100t
- 6100te
- 6100u
- 6102e
- 6157u
- 6167u
- 6300
- 6300t
- 6320
- 8100
- 8350k
Configuration 8
OR
- 430m
- 430um
- 450m
- 460m
- 470um
- 480m
- 520e
- 520m
- 520um
- 540m
- 540um
- 560m
- 560um
- 580m
- 650
- 655k
- 660
- 661
- 670
- 680
- 750
- 750s
- 760
- 2300
- 2310
- 2320
- 2380p
- 2390t
- 2400
- 2400s
- 2405s
- 2410m
- 2430m
- 2435m
- 2450m
- 2450p
- 2467m
- 2500
- 2500k
- 2500s
- 2500t
- 2510e
- 2515e
- 2520m
- 2537m
- 2540m
- 2550k
- 2557m
- 3210m
- 3230m
- 3317u
- 3320m
- 3330
- 3330s
- 3337u
- 3339y
- 3340
- 3340m
- 3340s
- 3350p
- 3360m
- 3380m
- 3427u
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- 3439y
- 3450
- 3450s
- 3470
- 3470s
- 3470t
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- 3550
- 3550s
- 3570
- 3570k
- 3570s
- 3570t
- 3610me
- 4200h
- 4200m
- 4200u
- 4200y
- 4202y
- 4210h
- 4210m
- 4210u
- 4210y
- 4220y
- 4250u
- 4258u
- 4260u
- 4278u
- 4288u
- 4300m
- 4300u
- 4300y
- 4302y
- 4308u
- 4310m
- 4310u
- 4330m
- 4340m
- 4350u
- 4360u
- 4400e
- 4402e
- 4402ec
- 4410e
- 4422e
- 4430
- 4430s
- 4440
- 4440s
- 4460
- 4460s
- 4460t
- 4570
- 4570r
- 4570s
- 4570t
- 4570te
- 4590
- 4590s
- 4590t
- 4670
- 4670k
- 4670r
- 4670s
- 4670t
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- 4690k
- 4690s
- 4690t
- 5200u
- 5250u
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- 5350h
- 5350u
- 5575r
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- 5675r
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- 6600k
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- 8250u
- 8350u
- 8400
- 8600k
Configuration 9
OR
- 7y75
- 610e
- 620le
- 620lm
- 620m
- 620ue
- 620um
- 640lm
- 640m
- 640um
- 660lm
- 660ue
- 660um
- 680um
- 720qm
- 740qm
- 820qm
- 840qm
- 860
- 860s
- 870
- 870s
- 875k
- 880
- 920
- 920xm
- 930
- 940
- 940xm
- 950
- 960
- 965
- 970
- 975
- 980
- 980x
- 990x
- 2600
- 2600k
- 2600s
- 2610ue
- 2617m
- 2620m
- 2629m
- 2630qm
- 2635qm
- 2637m
- 2640m
- 2649m
- 2655le
- 2657m
- 2670qm
- 2675qm
- 2677m
- 2700k
- 2710qe
- 2715qe
- 2720qm
- 2760qm
- 2820qm
- 2860qm
- 2920xm
- 2960xm
- 3517u
- 3517ue
- 3520m
- 3537u
- 3540m
- 3555le
- 3610qe
- 3610qm
- 3612qe
- 3612qm
- 3615qe
- 3615qm
- 3630qm
- 3632qm
- 3635qm
- 3667u
- 3687u
- 3689y
- 3720qm
- 3740qm
- 3770
- 3770k
- 3770s
- 3770t
- 3820qm
- 3840qm
- 4500u
- 4510u
- 4550u
- 4558u
- 4578u
- 4600m
- 4600u
- 4610m
- 4610y
- 4650u
- 4700ec
- 4700eq
- 4700hq
- 4700mq
- 4702ec
- 4702hq
- 4702mq
- 4710hq
- 4710mq
- 4712hq
- 4712mq
- 4720hq
- 4722hq
- 4750hq
- 4760hq
- 4765t
- 4770
- 4770hq
- 4770k
- 4770r
- 4770s
- 4770t
- 4770te
- 4771
- 4785t
- 4790
- 4790k
- 4790s
- 4790t
- 4800mq
- 4810mq
- 4850hq
- 4860hq
- 4870hq
- 4900mq
- 4910mq
- 4950hq
- 4960hq
- 4980hq
- 5500u
- 5550u
- 5557u
- 5600u
- 5650u
- 5700eq
- 5700hq
- 5750hq
- 5775c
- 5775r
- 5850eq
- 5850hq
- 5950hq
- 7500u
- 7560u
- 7567u
- 7600u
- 7660u
- 7700
- 7700hq
- 7700k
- 7700t
- 7820eq
- 7820hk
- 7820hq
- 7920hq
- 8550u
- 8650u
- 8700
- 8700k
Configuration 10
Configuration 11
Configuration 14
Configuration 15
Configuration 16
OR
- e5502
- e5503
- e5504
- e5506
- e5507
- e5520
- e5530
- e5540
- e5603
- e5606
- e5607
- e5620
- e5630
- e5640
- e5645
- e5649
- e6510
- e6540
- e7520
- e7530
- e7540
- ec5509
- ec5539
- ec5549
- l3406
- l3426
- l5506
- l5508
- l5518
- l5520
- l5530
- l5609
- l5618
- l5630
- l5638
- l5640
- l7545
- l7555
- lc5518
- lc5528
- w3670
- w3680
- w3690
- w5580
- w5590
- x3430
- x3440
- x3450
- x3460
- x3470
- x3480
- x5550
- x5560
- x5570
- x5647
- x5650
- x5660
- x5667
- x5670
- x5672
- x5675
- x5677
- x5680
- x5687
- x5690
- x6550
- x7542
- x7550
- x7560
Configuration 17
OR
- n/a
- n/a
Configuration 18
OR
- n/a
- 1505m_v6
- 1515m_v5
- 1535m_v5
- 1535m_v6
- 1545m_v5
- 1558l_v5
- 1565l_v5
- 1575m_v5
- 1578l_v5
- 1585_v5
- 1585l_v5
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
Configuration 19
OR
- 2650l_v4
- 2658
- 2658_v2
- 2658_v3
- 2658_v4
- 2658a_v3
- 2660
- 2660_v2
- 2660_v3
- 2660_v4
- 2665
- 2667
- 2667_v2
- 2667_v3
- 2667_v4
- 2670
- 2670_v2
- 2670_v3
- 2680
- 2680_v2
- 2680_v3
- 2680_v4
- 2683_v3
- 2683_v4
- 2687w
- 2687w_v2
- 2687w_v3
- 2687w_v4
- 2690
- 2690_v2
- 2690_v3
- 2690_v4
- 2695_v2
- 2695_v3
- 2695_v4
- 2697_v2
- 2697_v3
- 2697_v4
- 2697a_v4
- 2698_v3
- 2698_v4
- 2699_v3
- 2699_v4
- 2699a_v4
- 2699r_v4
- 4603
- 4603_v2
- 4607
- 4607_v2
- 4610
- 4610_v2
- 4610_v3
- 4610_v4
- 4617
- 4620
- 4620_v2
- 4620_v3
- 4620_v4
- 4624l_v2
- 4627_v2
- 4627_v3
- 4627_v4
- 4628l_v4
- 4640
- 4640_v2
- 4640_v3
- 4640_v4
- 4648_v3
- 4650
- 4650_v2
- 4650_v3
- 4650_v4
- 4650l
- 4655_v3
- 4655_v4
- 4657l_v2
- 4660_v3
- 4660_v4
- 4667_v3
- 4667_v4
- 4669_v3
- 4669_v4
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
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- n/a
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- n/a
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- n/a
- n/a
- n/a
Configuration 20
OR
- 2803
- 2820
- 2830
- 2850
- 2850_v2
- 2860
- 2870
- 2870_v2
- 2880_v2
- 2890_v2
- 4807
- 4809_v2
- 4809_v3
- 4809_v4
- 4820
- 4820_v2
- 4820_v3
- 4820_v4
- 4830
- 4830_v2
- 4830_v3
- 4830_v4
- 4850
- 4850_v2
- 4850_v3
- 4850_v4
- 4860
- 4860_v2
- 4870
- 4870_v2
- 4880_v2
- 4890_v2
- 8830
- 8837
- 8850
- 8850_v2
- 8857_v2
- 8860
- 8860_v3
- 8860_v4
- 8867_v3
- 8867_v4
- 8867l
- 8870
- 8870_v2
- 8870_v3
- 8870_v4
- 8880_v2
- 8880_v3
- 8880_v4
- 8880l_v2
- 8880l_v3
- 8890_v2
- 8890_v3
- 8890_v4
- 8891_v2
- 8891_v3
- 8891_v4
- 8893_v2
- 8893_v3
- 8893_v4
- 8894_v4
Configuration 21
OR
- 5115
- 5118
- 5119t
- 5120
- 5120t
- 5122
- 6126
- 6126f
- 6126t
- 6128
- 6130
- 6130f
- 6130t
- 6132
- 6134
- 6134m
- 6136
- 6138
- 6138f
- 6138t
- 6140
- 6140m
- 6142
- 6142f
- 6142m
- 6144
- 6146
- 6148
- 6148f
- 6150
- 6152
- 6154
Configuration 22
OR
- 7210
- 7210f
- 7230
- 7230f
- 7235
- 7250
- 7250f
- 7285
- 7290
- 7290f
- 7295
Configuration 23
OR
- 8153
- 8156
- 8158
- 8160
- 8160f
- 8160m
- 8160t
- 8164
- 8168
- 8170
- 8170m
- 8176
- 8176f
- 8176m
- 8180
Configuration 24
OR
- 4108
- 4109t
- 4110
- 4112
- 4114
- 4114t
- 4116
- 4116t
Configuration 25
OR
- 8
- 9
- 12
- 15
- 17
- 57
- 72
- 73
- 75
- 76
- 7
- 8
Configuration 26
OR
- 16.1.0
- 16.2.0
- ≥ 13.1 · ≤ 13.3
Configuration 27
- 7.6.0
Configuration 28
- n/a
Configuration 29
OR
- 7.0
- 6.0
- 7.0
- 7.4
- 6.0
- 7.0
- 7.4
- 7.6
- 7.5
- 7.6
- 7.4
- 7.6
- 6.0
- 7.0
Configuration 30
AND
- < xcp3090
Configuration 31
AND
- < xcp3090
Configuration 32
AND
- < xcp3090
No data.
Red Hat Enterprise Linux 6
kernel-0:2.6.32-754.3.5.el6
Fixed · RHSA-2018:2390
Red Hat Enterprise Linux 7
kernel-0:3.10.0-862.11.6.el7
Fixed · RHSA-2018:2384
Red Hat Enterprise Linux 7
kernel-alt-0:4.14.0-115.17.1.el7a
Fixed · RHSA-2020:0174
Red Hat Enterprise Linux 7
kernel-rt-0:3.10.0-862.11.6.rt56.819.el7
Fixed · RHSA-2018:2395
Red Hat Enterprise Linux 7.4 Extended Update Support
kernel-0:3.10.0-693.55.1.el7
Fixed · RHSA-2019:1946
Red Hat Enterprise Linux 5
kernel
Affected
Red Hat Enterprise Linux 8
kernel
Not affected
Red Hat Enterprise MRG 2
kernel-rt
Affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | kernel-0:2.6.32-754.3.5.el6 | Fixed | RHSA-2018:2390 |
| Red Hat Enterprise Linux 7 | kernel-0:3.10.0-862.11.6.el7 | Fixed | RHSA-2018:2384 |
| Red Hat Enterprise Linux 7 | kernel-alt-0:4.14.0-115.17.1.el7a | Fixed | RHSA-2020:0174 |
| Red Hat Enterprise Linux 7 | kernel-rt-0:3.10.0-862.11.6.rt56.819.el7 | Fixed | RHSA-2018:2395 |
| Red Hat Enterprise Linux 7.4 Extended Update Support | kernel-0:3.10.0-693.55.1.el7 | Fixed | RHSA-2019:1946 |
| Red Hat Enterprise Linux 5 | kernel | Affected | n/a |
| Red Hat Enterprise Linux 8 | kernel | Not affected | n/a |
| Red Hat Enterprise MRG 2 | kernel-rt | Affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue affects the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 5, 6, 7 and Red Hat Enterprise MRG 2. Future kernel updates for Red Hat Enterprise Linux 5, 6, 7 and Red Hat Enterprise MRG 2 may address this issue.
Metrics
No CVSS v4.0 score for this CVE.
5.6 MEDIUM NVD
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
Attack Vector Local
Attack Complexity High
Privileges Required Low
User Interaction None
Scope Changed
Confidentiality Impact High
Integrity Impact None
Availability Impact None
5.9 MEDIUM Red Hat
CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
Attack Vector Local
Attack Complexity High
Privileges Required None
User Interaction None
Scope Changed
Confidentiality Impact High
Integrity Impact None
Availability Impact None
4.7 MEDIUM NVD
AV:L/AC:M/Au:N/C:C/I:N/A:N
Access Vector Local
Access Complexity Medium
Authentication None
Confidentiality Impact Complete
Integrity Impact None
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
8.63% 0.08625
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.08625
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (17 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 8.63% (0.08625) | 94.94th | v5 (v2026.06.15) |
| Jun 15, 2026 | 8.42% (0.08416) | 94.26th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.93% (0.00934) | 74.06th | v4 (v2025.03.14) |
| Mar 29, 2025 | 12.92% (0.12919) | 90.06th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.93% (0.00934) | 74.55th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.09% (0.00089) | 39.68th | v3 (v2023.03.01) |
| Jun 19, 2024 | 0.09% (0.00089) | 38.15th | v3 (v2023.03.01) |
| May 19, 2024 | 0.06% (0.00062) | 26.27th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00044) | 8.37th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.86% (0.01864) | 77.24th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.86% (0.01864) | 77.19th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.86% (0.01864) | 75.17th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.86% (0.01864) | 54.47th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.32% (0.02320) | 53.75th | v1 |
| Jan 6, 2022 | 2.32% (0.02320) | 53.29th | v1 |
| Sep 1, 2021 | 2.32% (0.02320) | 78.25th | v1 |
| Apr 14, 2021 | 2.32% (0.02320) | 0.00th | v1 |
Weaknesses (1)
References (19)
- https://01.org/security/advisories/intel-oss-10002
- https://access.redhat.com/errata/RHSA-2018:2384 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2390 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2395 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2019:1946 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2020:0174 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2018-3693 Vendor Advisory
- https://access.redhat.com/solutions/3523601
- https://bugzilla.redhat.com/show_bug.cgi?id=1581650 Issue Tracking
- https://cdrdv2.intel.com/v1/dl/getContent/685359 x_refsource_CONFIRMThird Party Advisory
- https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0 x_refsource_CONFIRMThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-3693
- https://people.csail.mit.edu/vlk/spectre11.pdf
- https://security.netapp.com/advisory/ntap-20180823-0001/ x_refsource_CONFIRMThird Party Advisory
- https://software.intel.com/sites/default/files/managed/4e/a1/337879-analyzing-potential-bounds-Check-bypass-vulnerabilities.pdf
- https://www.cve.org/CVERecord?id=CVE-2018-3693
- https://www.oracle.com/security-alerts/cpujul2020.html x_refsource_MISCPatchThird Party Advisory
- https://www.oracle.com/security-alerts/cpuoct2020.html x_refsource_MISCPatchThird Party Advisory
- https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html x_refsource_MISCPatchThird Party Advisory
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner intel
Published Jul 10, 2018
Updated Aug 5, 2024
Reserved Dec 28, 2017
Link CVE-2018-3693
CISA Vulnrichment
Updated n/a