Apple iOS, iPadOS, and macOS Out-of-Bounds Write Vulnerability (CVE-2021-30900)
Severity: high · Patch status: patched · Since 2023-03-30 · CVE-2021-30900
Apple GPU drivers, included in iOS, iPadOS, and macOS, contain an out-of-bounds write vulnerability that may allow a malicious application to execute code with kernel privileges. CISA added CVE-2021-30900 to its Known Exploited Vulnerabilities catalog on Mar 30, 2023, which means attackers are exploiting it in the wild.
What to do
- Apply updates per vendor instructions.
- US federal agencies must remediate by Apr 20, 2023 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch