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Debian Security Bug TrackerDEBIANCVE:CVE-2021-0936

HistoryOct 25, 2021 - 2:15 p.m.

CVE-2021-0936

2021-10-2514:15:09

Debian Security Bug Tracker

security-tracker.debian.org

f_accessory.c

memory corruption

local privilege escalation

android kernel

a-173789633

upstream kernel

unix

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

7.8

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

EPSS

Percentile

5.1%

JSON

In acc_read of f_accessory.c, there is a possible memory corruption due to a use after free. 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-173789633References: Upstream kernel

OSVersionArchitecturePackageVersionFilename
Debian12alllinux< 6.1.106-3linux_6.1.106-3_all.deb
Debian11alllinux< 5.10.223-1linux_5.10.223-1_all.deb
Debian999alllinux< 6.10.9-1linux_6.10.9-1_all.deb
Debian13alllinux< 6.10.9-1linux_6.10.9-1_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	12	all	linux	< 6.1.106-3	linux_6.1.106-3_all.deb
Debian	11	all	linux	< 5.10.223-1	linux_5.10.223-1_all.deb
Debian	999	all	linux	< 6.10.9-1	linux_6.10.9-1_all.deb
Debian	13	all	linux	< 6.10.9-1	linux_6.10.9-1_all.deb

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

7.8

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

EPSS

Percentile

5.1%

JSON

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