VulnerabilityModified

CVE-2022-20153

In rcu_cblist_dequeue of rcu_segcblist.c, there is a possible use-after-free due to improper locking.

MEDIUM 6.7EPSS 0.13%

Does this matter?

Lower severity and a low EPSS score (0.13%). Track it; it rarely justifies an emergency change on its own.

Description

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

CVSS 3.1: 6.7 MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.13% probability · 3th percentile
CISA KEV: Not listed
Weakness: CWE-667
Affected: google/android
Source: security@android.com

References

https://source.android.com/security/bulletin/pixel/2022-06-01Vendor Advisory
https://source.android.com/security/bulletin/pixel/2022-06-01Vendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.