CVE-2021-0520 — Race Condition in Google Android

CWE-362 — Race ConditionCWE-416 — Use After Free5 documents5 sources
Severity
7.0HIGHNVD
EPSS
0.0%
top 91.95%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Platform Frameworks AVGoogle Android
Timeline
PublishedJun 21
Latest updateMay 24

Description

In several functions of MemoryFileSystem.cpp and related files, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-10Android ID: A-176237595

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.0 | Impact: 5.9

Affected Packages3 packages

▶CVEListV5google/androidAndroid-11 Android-10
▶NVDgoogle/android10.0, 11.0+1
▶Androidplatform/frameworks_av10:0 — 10:2021-06-01+1

Patches

Patch: source.android.com ↗Patch: source.android.com ↗

🔴Vulnerability Details

3
GHSA
GHSA-pmm6-qxj3-9jr6: In several functions of MemoryFileSystem↗2022-05-24
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CVEList
CVE-2021-0520: In several functions of MemoryFileSystem↗2021-06-21
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OSV
CVE-2021-0520: In several functions of MemoryFileSystem↗2021-06-01
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📋Vendor Advisories

1
Android
CVE-2021-0520: Android Security Bulletin 2021-06-01 CVE: CVE-2021-0520 Severity: HIGH Type: EoP Affected AOSP versions: 10, 11 References: A-176237595↗2021-06-01
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CVE-2021-0520 — Race Condition in Google Android | cvebase