VulnerabilityModified

CVE-2022-42534

In trusty_ffa_mem_reclaim of shared-mem-smcall.c, there is a possible privilege escalation due to improper input validation.

HIGH 7.8EPSS 0.17%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.17%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

In trusty_ffa_mem_reclaim of shared-mem-smcall.c, there is a possible privilege escalation due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-237838301References: N/A

CVSS 3.1: 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.17% probability · 6th percentile
CISA KEV: Not listed
Weakness: CWE-20
Affected: google/android
Source: security@android.com

References

https://source.android.com/security/bulletin/pixel/2022-12-01Vendor Advisory
https://source.android.com/security/bulletin/pixel/2022-12-01Vendor Advisory

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