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CVE-2020-0423

HIGH
7.8
CVSS Score
Published: October 14, 2020 at 01:07 PM UTC
Updated: June 17, 2026 at 02:45 AM UTC
2 products affected across 2 vendorsDebian LinuxAndroid

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Severity
HIGH7.8
Exploit prediction
EPSS 0.5%

Description

In binder_release_work of binder.c, there is a possible use-after-free due to improper locking. This could lead to local escalation of privilege in the kernel with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-161151868References: N/A

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html
x_refsource_MISCVendor Advisory
Source: [email protected]
https://source.android.com/security/bulletin/2020-10-01

CVSS

7.8HIGH[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-416CWE-667

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