CVE-2023-21216 — Incorrect Default Permissions in Google Android

CWE-276 — Incorrect Default Permissions4 documents4 sources
Severity
9.8CRITICALNVD
EPSS
0.1%
top 65.65%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Google AndroidGoogle Chrome Chrome
Timeline
PublishedDec 4
Latest updateFeb 1

Description

In PMRChangeSparseMemOSMem of physmem_osmem_linux.c, there is a possible arbitrary code execution due to a use after free. 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 vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages3 packages

▶CVEListV5google/androidAndroid SoC

🔴Vulnerability Details

1
OSV
CVE-2023-21216: In PMRChangeSparseMemOSMem of physmem_osmem_linux↗2023-12-01
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📋Vendor Advisories

2
Chrome
Long Term Support Channel Update for ChromeOS: CVE-2023-21216↗2024-02-01
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Android
CVE-2023-21216: PowerVR-GPU↗2023-12-01
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