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osvGoogleOSV:ASB-A-156766097
HistoryJan 01, 2021 - 12:00 a.m.

Silent Spectre-BTB outages in Linux for Android

2021-01-0100:00:00
Google
osv.dev
22

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

5.8 Medium

AI Score

Confidence

High

1.9 Low

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:L/AC:M/Au:N/C:P/I:N/A:N

0.0004 Low

EPSS

Percentile

5.3%

In spectre_v2_user_select_mitigation of bugs.c, there is a possible failure to enable a Spectre mitigation. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.

CPENameOperatorVersion
:linux_kernel:eqKernel

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

5.8 Medium

AI Score

Confidence

High

1.9 Low

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:L/AC:M/Au:N/C:P/I:N/A:N

0.0004 Low

EPSS

Percentile

5.3%