Lucene search

Ubuntu.comUB:CVE-2020-27066

HistoryDec 15, 2020 - 12:00 a.m.

CVE-2020-27066

2020-12-1500:00:00

ubuntu.com

cve-2020-27066

xfrm6_tunnel_free_spi

net/ipv6/xfrm6_tunnel.c

use after free

improper locking

local privilege escalation

android kernel

a-168043318

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 xfrm6_tunnel_free_spi of net/ipv6/xfrm6_tunnel.c, there is a possible
use after free due to improper locking. 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-168043318

Bugs

<https://bugzilla.suse.com/show_bug.cgi?id=1180098>

Notes

Author	Note
sbeattie	unclear what issue/kernel commit google is referencing here.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< 4.15.0-99.100UNKNOWN
ubuntu16.04noarchlinux< 4.4.0-179.209UNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1066.70UNKNOWN
ubuntu16.04noarchlinux-aws< 4.4.0-1107.118UNKNOWN
ubuntu16.04noarchlinux-aws-hwe< 4.15.0-1066.70~16.04.1UNKNOWN
ubuntu16.04noarchlinux-azure< 4.15.0-1082.92~16.04.1UNKNOWN
ubuntu16.04noarchlinux-gcp< 4.15.0-1061.65UNKNOWN
ubuntu18.04noarchlinux-gke-5.3< 5.3.0-1020.22~18.04.1UNKNOWN
ubuntu16.04noarchlinux-hwe< 4.15.0-99.100~16.04.1UNKNOWN
ubuntu18.04noarchlinux-kvm< 4.15.0-1059.60UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	linux	< 4.15.0-99.100	UNKNOWN
ubuntu	16.04	noarch	linux	< 4.4.0-179.209	UNKNOWN
ubuntu	18.04	noarch	linux-aws	< 4.15.0-1066.70	UNKNOWN
ubuntu	16.04	noarch	linux-aws	< 4.4.0-1107.118	UNKNOWN
ubuntu	16.04	noarch	linux-aws-hwe	< 4.15.0-1066.70~16.04.1	UNKNOWN
ubuntu	16.04	noarch	linux-azure	< 4.15.0-1082.92~16.04.1	UNKNOWN
ubuntu	16.04	noarch	linux-gcp	< 4.15.0-1061.65	UNKNOWN
ubuntu	18.04	noarch	linux-gke-5.3	< 5.3.0-1020.22~18.04.1	UNKNOWN
ubuntu	16.04	noarch	linux-hwe	< 4.15.0-99.100~16.04.1	UNKNOWN
ubuntu	18.04	noarch	linux-kvm	< 4.15.0-1059.60	UNKNOWN