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CVE Record

CVE-2021-0531: In memory management driver, there is a possible memory corruption due to a use after free.

In memory management driver, 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 SoCAndroid ID: A-185195272

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

This Android SoC flaw is a memory-management driver bug that may let code already on a device gain higher privileges. It is not described as remotely exploitable, and the supplied sources do not name specific device models or chipsets.

Executive priority

Treat this as a high-priority mobile fleet hygiene issue, especially for devices storing sensitive business data. Urgency depends on how many Android SoC devices remain below the June 2021 patch level and whether OEM support is available.

Technical view

CVE-2021-0531 is a use-after-free memory corruption issue in an Android memory management driver. The CVE states it can cause local escalation of privilege, requires no additional execution privileges, and needs no user interaction. Public detail is limited to Android SoC scope and Android ID A-185195272.

Likely exposure

Exposure is likely limited to Android devices using the affected Android SoC memory management driver before the relevant June 2021 security fixes. The public bundle does not identify specific OEMs, chipsets, or device models, so inventory validation must rely on vendor patch-level evidence.

Exploitation context

The source bundle does not report active exploitation, and the CVE is not marked KEV. Exploitation is described as local privilege escalation, meaning an attacker would already need a local foothold or code execution path on the Android device.

Researcher notes

The public record lacks CVSS, CWE, affected chipset names, and patch diff detail. Avoid assuming exploitability beyond local privilege escalation. Focus validation on Android security patch level, OEM advisories, and whether A-185195272 is included in delivered firmware.

Mitigation direction

  • Apply Android security updates covering the June 2021 Android SoC bulletin.
  • Confirm OEM or carrier firmware includes the fix for Android ID A-185195272.
  • Prioritize managed devices with older Android security patch levels.
  • Check vendor guidance for model-specific availability and backport details.

Validation and detection

  • Inventory Android devices and record model, SoC, firmware, and security patch level.
  • Verify whether each OEM build includes June 2021 Android SoC fixes.
  • Flag devices lacking vendor confirmation for A-185195272 remediation.
  • Track unsupported devices as residual exposure until replaced or isolated.
Prepared
Confidence
medium
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

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CVE-2021-0531 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/aAndroidAndroid SoCListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.