CVE-2021-0656
In edma driver, there is a possible memory corruption due to a use after free. This could lead to...
In edma driver, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS05709376; Issue ID: ALPS05709376.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
In edma driver, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS05709376; Issue ID: ALPS05709376.
- Record
CVE-2021-0656- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 4.6 Medium
AV:L/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-416
- Updated
- 2026-11-02
CVE ListNo score
In edma driver, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS05709376; Issue ID: ALPS05709376.
- Record
CVE-2021-0656- Updated
- 2026-11-02
EUVDEUVD-2021-3275No score
In edma driver, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS05709376; Issue ID: ALPS05709376.
- Record
EUVD-2021-3275- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-8h5w-h3fr-4whwNo score
In edma driver, there is a possible memory corruption due to a use after free. This could lead to...
In edma driver, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS05709376; Issue ID: ALPS05709376.
- Record
GHSA-8h5w-h3fr-4whw- Weakness
- CWE-416
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-0656 is a medium vulnerability (CVSS 6.7) in Google Android, published November 18, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.12%, the 1st percentile. No source names a fixed version.