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
LOCAL
Access Complexity
LOW
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
5.3%
In aio_poll_complete_work of aio.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-185125206References: Upstream kernel
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 21.10 | noarch | linux | < 5.13.0-37.42 | UNKNOWN |
ubuntu | 18.04 | noarch | linux | < 4.15.0-169.177 | UNKNOWN |
ubuntu | 20.04 | noarch | linux | < 5.4.0-100.113 | UNKNOWN |
ubuntu | 18.04 | noarch | linux-aws | < 4.15.0-1121.129 | UNKNOWN |
ubuntu | 20.04 | noarch | linux-aws | < 5.4.0-1066.69 | UNKNOWN |
ubuntu | 21.10 | noarch | linux-aws | < 5.13.0-1019.21 | UNKNOWN |
ubuntu | 20.04 | noarch | linux-aws-5.13 | < 5.13.0-1019.21~20.04.1 | UNKNOWN |
ubuntu | 18.04 | noarch | linux-aws-5.4 | < 5.4.0-1066.69~18.04.1 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-aws-hwe | < 4.15.0-1120.128~16.04.1) Available with Ubuntu Pro or Ubuntu Pro (Infra-only | UNKNOWN |
ubuntu | 14.04 | noarch | linux-azure | < 4.15.0-1131.144~14.04.1) Available with Ubuntu Pro or Ubuntu Pro (Infra-only | UNKNOWN |
android.googlesource.com/kernel/common/+/363bee27e258
android.googlesource.com/kernel/common/+/42288cb44c4b
android.googlesource.com/kernel/common/+/50252e4b5e98
android.googlesource.com/kernel/common/+/9537bae0da1f
android.googlesource.com/kernel/common/+/a880b28a71e3
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-39698
launchpad.net/bugs/cve/CVE-2021-39698
nvd.nist.gov/vuln/detail/CVE-2021-39698
security-tracker.debian.org/tracker/CVE-2021-39698
source.android.com/security/bulletin/2022-03-01
ubuntu.com/security/notices/USN-5337-1
ubuntu.com/security/notices/USN-5368-1
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
LOCAL
Access Complexity
LOW
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
5.3%