CVE-2018-3646

medium

Published 2018-08-14 · Modified 2026-05-29

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CVSS v3

5.6

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N

CVSS v4 NEW

—

not yet in upstream

VIR risk

5.6

Description

Systems with microprocessors utilizing speculative execution and address translations may allow unauthorized disclosure of information residing in the L1 data cache to an attacker with local user access with guest OS privilege via a terminal page fault and a side-channel analysis.

Predictions

Exploit likelihood

56%

Patch ETA

—

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 with source_tier=community-verified.

OS impact

SUSE Affected 1 release

Version	Status	Fixed in
—	Affected	—

Arch Fixed 1 release

Version	Status	Fixed in
—	Fixed	`4.14.63-1`

Debian Fixed 5 releases

Version	Status	Fixed in
trixie	Fixed	`3.20180703.1`
sid	Fixed	`3.20180703.1`
forky	Fixed	`3.20180703.1`
bullseye	Fixed	`3.20180703.1`
bookworm	Fixed	`3.20180703.1`

Application impact

Vendor	Product	Versions
intel	core_i3	`330e`
intel	core_i3	`330m`
intel	core_i3	`330um`
intel	core_i3	`350m`
intel	core_i3	`370m`
intel	core_i3	`380m`
intel	core_i3	`380um`
intel	core_i3	`390m`
intel	core_i3	`530`
intel	core_i3	`540`
intel	core_i3	`550`
intel	core_i3	`560`
intel	core_i3	`2100`
intel	core_i3	`2100t`
intel	core_i3	`2102`
intel	core_i3	`2105`
intel	core_i3	`2115c`
intel	core_i3	`2120`
intel	core_i3	`2120t`
intel	core_i3	`2125`
intel	core_i3	`2130`
intel	core_i3	`2310e`
intel	core_i3	`2310m`
intel	core_i3	`2312m`
intel	core_i3	`2328m`
intel	core_i3	`2330e`
intel	core_i3	`2330m`
intel	core_i3	`2340ue`
intel	core_i3	`2348m`
intel	core_i3	`2350m`
intel	core_i3	`2357m`
intel	core_i3	`2365m`
intel	core_i3	`2367m`
intel	core_i3	`2370m`
intel	core_i3	`2375m`
intel	core_i3	`2377m`
intel	core_i3	`3110m`
intel	core_i3	`3115c`
intel	core_i3	`3120m`
intel	core_i3	`3120me`
intel	core_i3	`3130m`
intel	core_i3	`3210`
intel	core_i3	`3217u`
intel	core_i3	`3217ue`
intel	core_i3	`3220`
intel	core_i3	`3220t`
intel	core_i3	`3225`
intel	core_i3	`3227u`
intel	core_i3	`3229y`
intel	core_i3	`3240`
intel	core_i3	`3240t`
intel	core_i3	`3245`
intel	core_i3	`3250`
intel	core_i3	`3250t`
intel	core_i3	`4000m`
intel	core_i3	`4005u`
intel	core_i3	`4010u`
intel	core_i3	`4010y`
intel	core_i3	`4012y`
intel	core_i3	`4020y`
intel	core_i3	`4025u`
intel	core_i3	`4030u`
intel	core_i3	`4030y`
intel	core_i3	`4100e`
intel	core_i3	`4100m`
intel	core_i3	`4100u`
intel	core_i3	`4102e`
intel	core_i3	`4110e`
intel	core_i3	`4110m`
intel	core_i3	`4112e`
intel	core_i3	`4120u`
intel	core_i3	`4130`
intel	core_i3	`4130t`
intel	core_i3	`4150`
intel	core_i3	`4150t`
intel	core_i3	`4158u`
intel	core_i3	`4160`
intel	core_i3	`4160t`
intel	core_i3	`4170`
intel	core_i3	`4170t`
intel	core_i3	`4330`
intel	core_i3	`4330t`
intel	core_i3	`4330te`
intel	core_i3	`4340`
intel	core_i3	`4340te`
intel	core_i3	`4350`
intel	core_i3	`4350t`
intel	core_i3	`4360`
intel	core_i3	`4360t`
intel	core_i3	`4370`
intel	core_i3	`4370t`
intel	core_i3	`5005u`
intel	core_i3	`5010u`
intel	core_i3	`5015u`
intel	core_i3	`5020u`
intel	core_i3	`5157u`
intel	core_i3	`6006u`
intel	core_i3	`6098p`
intel	core_i3	`6100`
intel	core_i3	`6100e`
intel	core_i3	`6100h`
intel	core_i3	`6100t`
intel	core_i3	`6100te`
intel	core_i3	`6100u`
intel	core_i3	`6102e`
intel	core_i3	`6157u`
intel	core_i3	`6167u`
intel	core_i3	`6300`
intel	core_i3	`6300t`
intel	core_i3	`6320`
intel	core_i3	`8100`
intel	core_i3	`8350k`
intel	core_i5	`430m`
intel	core_i5	`430um`
intel	core_i5	`450m`
intel	core_i5	`460m`
intel	core_i5	`470um`
intel	core_i5	`480m`
intel	core_i5	`520e`
intel	core_i5	`520m`
intel	core_i5	`520um`
intel	core_i5	`540m`
intel	core_i5	`540um`
intel	core_i5	`560m`
intel	core_i5	`560um`
intel	core_i5	`580m`
intel	core_i5	`650`
intel	core_i5	`655k`
intel	core_i5	`660`
intel	core_i5	`661`
intel	core_i5	`670`
intel	core_i5	`680`
intel	core_i5	`750`
intel	core_i5	`750s`
intel	core_i5	`760`
intel	core_i5	`2300`
intel	core_i5	`2310`
intel	core_i5	`2320`
intel	core_i5	`2380p`
intel	core_i5	`2390t`
intel	core_i5	`2400`
intel	core_i5	`2400s`
intel	core_i5	`2405s`
intel	core_i5	`2410m`
intel	core_i5	`2430m`
intel	core_i5	`2435m`
intel	core_i5	`2450m`
intel	core_i5	`2450p`
intel	core_i5	`2467m`
intel	core_i5	`2500`
intel	core_i5	`2500k`
intel	core_i5	`2500s`
intel	core_i5	`2500t`
intel	core_i5	`2510e`
intel	core_i5	`2515e`
intel	core_i5	`2520m`
intel	core_i5	`2537m`
intel	core_i5	`2540m`
intel	core_i5	`2550k`
intel	core_i5	`2557m`
intel	core_i5	`3210m`
intel	core_i5	`3230m`
intel	core_i5	`3317u`
intel	core_i5	`3320m`
intel	core_i5	`3330`
intel	core_i5	`3330s`
intel	core_i5	`3337u`
intel	core_i5	`3339y`
intel	core_i5	`3340`
intel	core_i5	`3340m`
intel	core_i5	`3340s`
intel	core_i5	`3350p`
intel	core_i5	`3360m`
intel	core_i5	`3380m`
intel	core_i5	`3427u`
intel	core_i5	`3437u`
intel	core_i5	`3439y`
intel	core_i5	`3450`
intel	core_i5	`3450s`
intel	core_i5	`3470`
intel	core_i5	`3470s`
intel	core_i5	`3470t`
intel	core_i5	`3475s`
intel	core_i5	`3550`
intel	core_i5	`3550s`
intel	core_i5	`3570`
intel	core_i5	`3570k`
intel	core_i5	`3570s`
intel	core_i5	`3570t`
intel	core_i5	`3610me`
intel	core_i5	`4200h`
intel	core_i5	`4200m`
intel	core_i5	`4200u`
intel	core_i5	`4200y`
intel	core_i5	`4202y`
intel	core_i5	`4210h`
intel	core_i5	`4210m`
intel	core_i5	`4210u`
intel	core_i5	`4210y`
intel	core_i5	`4220y`

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.