CVE-2021-0929

kernel: use-after-free in ion_dma_buf_end_cpu_access and related functions in ion.c

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Severity

Important

Red Hat Product Security

7.8

CVSS 3.1

Review impact separately from score.

Published · July 28, 2021

Updated · June 28, 2026

Description

A use-after-free flaw was found in the Linux kernel Android driver ion/ion.c. The driver is not included in the other kernels, apart from Android devices. This issue could allow a local user to crash the system or potentially escalate their privileges on the system.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE-416 · Use After Free