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Ubuntu.comUB:CVE-2021-0606

HistoryJun 22, 2021 - 12:00 a.m.

CVE-2021-0606

2021-06-2200:00:00

ubuntu.com

use after free

drm_syncobj_handle_to_fd

incorrect refcounting

local escalation of privilege

system execution privileges

android kernel

a-168034487

CVSS2

4.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

6.7

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

Percentile

5.1%

JSON

In drm_syncobj_handle_to_fd of drm_syncobj.c, there is a possible use after
free due to incorrect refcounting. This could lead to local escalation of
privilege with System execution privileges needed. User interaction is not
needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID:
A-168034487

References

launchpad.net/bugs/cve/CVE-2021-0606

nvd.nist.gov/vuln/detail/CVE-2021-0606

security-tracker.debian.org/tracker/CVE-2021-0606

source.android.com/security/bulletin/pixel/2021-06-01

www.cve.org/CVERecord?id=CVE-2021-0606

CVSS2

4.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

6.7

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

Percentile

5.1%

JSON

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