CVE-2021-39801 — Use After Free in Google Android

CWE-416 — Use After FreeCWE-667 — Improper Locking6 documents5 sources
Severity
7.8HIGHNVD
EPSS
0.0%
top 98.45%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Debian LinuxGoogle Android
Timeline
PublishedApr 12
Latest updateApr 13

Description

In ion_ioctl of ion-ioctl.c, there is a possible use after free due to improper locking. 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-209791720References: Upstream kernel

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages2 packages

▶debiandebian/linux

Patches

Patch: source.android.com ↗Patch: source.android.com ↗

🔴Vulnerability Details

3
GHSA
GHSA-mqmx-58xm-f4cj: In ion_ioctl of ion-ioctl↗2022-04-13
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OSV
CVE-2021-39801: In ion_ioctl of ion-ioctl↗2022-04-12
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OSV
CVE-2021-39801: In ion_ioctl of ion-ioctl↗2022-04-01
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📋Vendor Advisories

2
Android
CVE-2021-39801: ION↗2022-04-01
▶
Debian
CVE-2021-39801: linux - In ion_ioctl of ion-ioctl.c, there is a possible use after free due to improper ...↗2021
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CVE-2021-39801 — Use After Free in Google Android | cvebase