Ubuntu.comUB:CVE-2022-20567CVE-2022-20567
6.4 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
3.4 Low
CVSS2
Access Vector
LOCAL
Access Complexity
HIGH
Authentication
MULTIPLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:H/Au:M/C:P/I:P/A:P
0.0004 Low
EPSS
Percentile
5.3%
In pppol2tp_create of l2tp_ppp.c, there is a possible use after free due to
a race condition. 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-186777253References: Upstream kernel
Bugs
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 16.04 | noarch | linux | < 4.4.0-252.286) Available with Ubuntu Pro or Ubuntu Pro (Infra-only | UNKNOWN |
| ubuntu | 14.04 | noarch | linux-aws | < 4.4.0-1129.135) Available with Ubuntu Pro or Ubuntu Pro (Infra-only | UNKNOWN |
| ubuntu | 16.04 | noarch | linux-aws | < 4.4.0-1167.182) Available with Ubuntu Pro or Ubuntu Pro (Infra-only | UNKNOWN |
| ubuntu | 16.04 | noarch | linux-kvm | < 4.4.0-1130.140) Available with Ubuntu Pro or Ubuntu Pro (Infra-only | UNKNOWN |
| ubuntu | 14.04 | noarch | linux-lts-xenial | < 4.4.0-252.286~14.04.1) Available with Ubuntu Pro or Ubuntu Pro (Infra-only | UNKNOWN |
References
git.kernel.org/linus/d02ba2a6110c530a32926af8ad441111774d2893
launchpad.net/bugs/cve/CVE-2022-20567
nvd.nist.gov/vuln/detail/CVE-2022-20567
security-tracker.debian.org/tracker/CVE-2022-20567
source.android.com/docs/security/bulletin/pixel/2022-12-01
ubuntu.com/security/notices/USN-6700-1
ubuntu.com/security/notices/USN-6700-2
www.cve.org/CVERecord?id=CVE-2022-20567
Related
6.4 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
3.4 Low
CVSS2
Access Vector
LOCAL
Access Complexity
HIGH
Authentication
MULTIPLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:H/Au:M/C:P/I:P/A:P
0.0004 Low
EPSS
Percentile
5.3%