CVE-2020-0041
HighExploitedPublic exploitIn binder_transaction of binder.c, there is a possible out of bounds write due to an incorrect bounds check.
Published Mar 10, 2020 · Updated Aug 5, 2026 · Also known as DEBIAN-CVE-2020-0041, UBUNTU-CVE-2020-0041
Key Facts
Patch immediately- CVE-2020-0041 is a high-severity vulnerability (CVSS 7.8 v3.1) affecting Android (Google), linux (debian), rootio-linux and 19 more products.
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Oct 28, 2021. Public exploit code is available.
- EPSS estimates a 3.1% probability of exploitation in the next 30 days.
- Fixed versions are available, including linux 5.4.6-1, linux NA, linux-aws NA.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
3.1%
Higher than 87.7% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2020-0041 brief as a PDF
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Description
In binder_transaction of binder.c, there is a possible out of bounds write due to an incorrect bounds check. 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-145988638References: Upstream kernel
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Nov 3, 2021 | May 3, 2022 | Not reported |
| Industry KEV feed | Oct 28, 2021 | May 3, 2022 | Not reported |
| CIRCL KEV | Nov 3, 2021 | May 3, 2022 | Not reported |
| ENISA EUVD | Nov 3, 2021 | n/a | Not reported |
Required action: Apply updates per vendor instructions.
Affected Products
42 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| AndroidGoogle | >= Android kernel | n/a |
| linuxdebian | See advisory | 5.4.6-1 |
| rootio-linuxrootio | See advisory | 5.4.6-1 |
| linux-azure-5.3ubuntu | See advisory | 5.3.0-1013.14~18.04.1 |
| linux-azure-edgeubuntu | See advisory | n/a |
Patched Releases
linux
5.4.6-1, NA
linux-aws
NA
linux-azure-5.3
5.3.0-1013.14~18.04.1
linux-esx
NA
linux-gcp-5.3
5.3.0-1012.13~18.04.1
linux-gke-5.3
5.3.0-1012.13~18.04.1
linux-hwe
5.3.0-40.32~18.04.1
linux-raspi2-5.3
5.3.0-1018.20~18.04.1
linux-secure
NA
rootio-linux
5.4.6-1
Timeline
Publicly disclosed
Mar 10, 2020
Added to Industry KEV feed
Oct 28, 2021
Added to CISA KEV
Nov 3, 2021
Added to CIRCL KEV
Nov 3, 2021
Added to ENISA EUVD
Nov 3, 2021
Last updated
Aug 5, 2026
Weakness Type
- CWE-20 Improper Input Validation
References
- advisoryhttps://git.kernel.org/linus/16981742717b04644a41052570fb502682a315d2
- advisoryhttps://security-tracker.debian.org/tracker/CVE-2020-0041
- advisoryhttps://source.android.com/security/bulletin/2020-03-01
- advisoryhttps://ubuntu.com/security/CVE-2020-0041
- advisoryhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog
FAQ
Common Questions.
In binder_transaction of binder.c, there is a possible out of bounds write due to an incorrect bounds check.
Affected: Android (Google) versions >= Android kernel; linux (debian); rootio-linux, among others. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Oct 28, 2021.
Yes. It was added on Nov 3, 2021 with a federal remediation due date of May 3, 2022.
Public exploit code is available.
Fixed versions are available, including linux 5.4.6-1, linux NA, linux-aws NA.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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