Lucene search

K
ubuntucveUbuntu.comUB:CVE-2021-39685
HistoryDec 16, 2021 - 12:00 a.m.

CVE-2021-39685

2021-12-1600:00:00
ubuntu.com
ubuntu.com
73

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.2 High

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.0004 Low

EPSS

Percentile

5.1%

In various setup methods of the USB gadget subsystem, there is a possible
out of bounds write due to an incorrect flag check. This could lead to
local escalation of privilege with no additional execution privileges
needed. User interaction is not needed for exploitation.Product:
AndroidVersions: Android kernelAndroid ID: A-210292376References: Upstream
kernel

Notes

Author Note
sbeattie likely introduces subtle regression that needs f08adf5add9a (“USB: gadget: bRequestType is a bitfield, not a enum”) to address
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< 4.15.0-169.177UNKNOWN
ubuntu20.04noarchlinux< 5.4.0-100.113UNKNOWN
ubuntu21.10noarchlinux< 5.13.0-37.42UNKNOWN
ubuntu16.04noarchlinux< 4.4.0-229.263UNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1121.129UNKNOWN
ubuntu20.04noarchlinux-aws< 5.4.0-1066.69UNKNOWN
ubuntu21.10noarchlinux-aws< 5.13.0-1019.21UNKNOWN
ubuntu14.04noarchlinux-aws< 4.4.0-1109.115UNKNOWN
ubuntu16.04noarchlinux-aws< 4.4.0-1145.160UNKNOWN
ubuntu20.04noarchlinux-aws-5.13< 5.13.0-1019.21~20.04.1UNKNOWN
Rows per page:
1-10 of 571

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.2 High

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.0004 Low

EPSS

Percentile

5.1%