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 dma_buf_release of dma-buf.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-155756045References: Upstream kernel
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 20.04 | noarch | linux-gkeop-5.15 | < any | UNKNOWN |
ubuntu | 20.04 | noarch | linux | < 5.4.0-67.75 | UNKNOWN |
ubuntu | 18.04 | noarch | linux-hwe-5.4 | < 5.4.0-67.75~18.04.1 | UNKNOWN |
ubuntu | 20.04 | noarch | linux-kvm | < 5.4.0-1034.35 | UNKNOWN |
ubuntu | 18.04 | noarch | linux-aws-5.4 | < 5.4.0-1039.41~18.04.1 | UNKNOWN |
ubuntu | 20.04 | noarch | linux-azure | < 5.4.0-1041.43 | UNKNOWN |
ubuntu | 18.04 | noarch | linux-azure-5.4 | < 5.4.0-1041.43~18.04.1 | UNKNOWN |
ubuntu | 22.04 | noarch | linux-azure-fde | < any | UNKNOWN |
ubuntu | 20.04 | noarch | linux-azure-fde | < 5.4.0-1041.43 | UNKNOWN |
ubuntu | 20.04 | noarch | linux-bluefield | < 5.4.0-1011.14 | UNKNOWN |
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-0707
git.kernel.org/linus/05cd84691eafcd7959a1e120d5e72c0dd98c5d91 (5.11-rc1)
launchpad.net/bugs/cve/CVE-2021-0707
nvd.nist.gov/vuln/detail/CVE-2021-0707
security-tracker.debian.org/tracker/CVE-2021-0707
source.android.com/security/bulletin/2022-04-01#kernel-components
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%