Android Kernel Out-of-Bounds Write Vulnerability (CVE-2020-0041)
Severity: high · Patch status: patched · Since 2021-11-03 · CVE-2020-0041
Android Kernel bindertransaction of binder.c contains an out-of-bounds write vulnerability due to an incorrect bounds check that could allow for local privilege escalation. This vulnerability was observed chained with CVE-2019-2215 and CVE-2020-0069 under exploit chain "AbstractEmu.". CISA added CVE-2020-0041 to its Known Exploited Vulnerabilities catalog on Nov 3, 2021, which means attackers are exploiting it in the wild.
What to do
- Apply updates per vendor instructions.
- US federal agencies must remediate by May 3, 2022 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch
