CVE-2021-0920
Actively exploited. CVE-2021-0920 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-05-23) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
Android kernel contains a race condition, which allows for a use-after-free vulnerability. Exploitation can allow for privilege escalation.
CSIRTS triage
- What
- Android kernel contains a race condition, which allows for a use-after-free vulnerability leading to privilege escalation.
- Who is affected
- Deployments of the affected Android kernel versions.
- Urgency
- Remediation is urgent due to active exploitation and critical severity.
- Action
- Apply the latest security patches for the Android kernel.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 53% of all EPSS-scored CVEs.
Advisory coverage (1)
- criticalexploitedCVE-2021-0920: Android Kernel Race Condition Vulnerabilitycisa-kev · 2022-05-23
External references
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