SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2023-21215

In DevmemIntAcquireRemoteCtx of devicemem_server.c, there is a possible arbitrary code execution due to a race condition.

CRITICAL 9.8EPSS 0.41%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.41%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

In DevmemIntAcquireRemoteCtx of devicemem_server.c, there is a possible arbitrary code execution due to a race condition. This could lead to local escalation of privilege in the kernel with no additional execution privileges needed. User interaction is not needed for exploitation.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
0.41% probability · 35th percentile
CISA KEV
Not listed
Affected
google/android
Source
security@android.com

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