CVE Catalog

CVE-2022-20153

MediumCVSS 6.7
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.13%

2th percentile - higher than 2% of all known CVEs

Summary

In rcu_cblist_dequeue of rcu_segcblist.c, there is a possible use-after-free due to improper locking. This could lead to local escalation of privilege in the kernel with System execution privileges needed. User interaction is not needed for exploitation. Product: Android, Versions: Android kernel.

Risk Assessment

An attacker with local access can exploit this vulnerability to escalate privileges in the kernel, potentially taking control of the system. This can lead to full device compromise and breach of data confidentiality.

Recommendation

Update the Android kernel to the latest version containing the security patch. Regularly apply system updates and monitor for unusual activities.

Other vulnerabilities in Android kernel

See all
Original NVD description (English source)

In rcu_cblist_dequeue of rcu_segcblist.c, there is a possible use-after-free due to improper locking. This could lead to local escalation of privilege in the kernel with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-222091980References: Upstream kernel

Vulnerability data from NVD (NIST) · CISA KEV · EPSS