CVE-2021-0476 — Race Condition in Google Android

CWE-362 — Race ConditionCWE-416 — Use After Free6 documents6 sources
Severity
7.0HIGHNVD
EPSS
0.0%
top 93.12%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Platform System BTGoogle Android
Timeline
PublishedJun 11
Latest updateMar 14

Description

In FindOrCreatePeer of btif_av.cc, 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-9 Android-10Android ID: A-169252501

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-9 Android-10
▶NVDgoogle/android10.0, 11.0, 9.0+2
▶Androidplatform/system_bt9:0 — 9:2021-05-01+2

Patches

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

🔴Vulnerability Details

3
GHSA
GHSA-cc2v-chg5-845p: In FindOrCreatePeer of btif_av↗2022-05-24
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CVEList
CVE-2021-0476: In FindOrCreatePeer of btif_av↗2021-06-11
▶
OSV
CVE-2021-0476: In FindOrCreatePeer of btif_av↗2021-05-01
▶

📋Vendor Advisories

2
CISA ICS
Siemens SIMATIC↗2024-03-14
▶
Android
CVE-2021-0476: Android Security Bulletin 2021-05-01 CVE: CVE-2021-0476 Severity: HIGH Type: EoP Affected AOSP versions: 9, 10, 11 References: A-169252501↗2021-05-01
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CVE-2021-0476 — Race Condition in Google Android | cvebase