CVE-2021-1048

CVE Details

Release Date:	2021-12-15
Impact:	None	What is this?

Description

In ep_loop_check_proc of eventpoll.c, there is a possible way to corrupt memory due to a use after free. 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-204573007References: Upstream kernel

See more information about CVE-2021-1048 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v3 metrics

Base Score:	7.8
Vector String:	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Version:	3.0
Attack Vector:	Local
Attack Complexity:	Low
Privileges Required:	Low
User Interaction:	None
Scope:	Unchanged
Confidentiality Impact:	High
Integrity Impact:	High
Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 6 (kernel-uek)	ELSA-2022-9014	2022-01-10
Oracle Linux version 6 (kernel-uek)	ELSA-2022-9088	2022-02-01
Oracle Linux version 7 (kernel-uek)	ELSA-2022-9014	2022-01-10
Oracle Linux version 7 (kernel-uek)	ELSA-2022-9088	2022-02-01
Oracle VM version 3 (kernel-uek)	OVMSA-2022-0005	2022-01-10
Oracle VM version 3 (kernel-uek)	OVMSA-2022-0007	2022-02-01