CVE-2021-3347

CVE Details

Release Date:	2021-01-29
Impact:	None	What is this?

Description

An issue was discovered in the Linux kernel through 5.10.11. PI futexes have a kernel stack use-after-free during fault handling, allowing local users to execute code in the kernel, aka CID-34b1a1ce1458.

See more information about CVE-2021-3347 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)	ELSA-2021-9434	2021-08-30
Oracle Linux version 7 (kernel)	ELSA-2021-2314	2021-06-10
Oracle Linux version 7 (kernel-uek)	ELSA-2021-9084	2021-03-12
Oracle Linux version 7 (kernel-uek-container)	ELSA-2021-9086	2021-03-09
Oracle Linux version 7 (kernel-uek-container)	ELSA-2021-9087	2021-03-09
Oracle Linux version 8 (kernel)	ELSA-2021-1093	2021-04-07
Oracle Linux version 8 (kernel-uek)	ELSA-2021-9085	2021-03-11
Oracle Linux version 8 (kernel-uek-container)	ELSA-2021-9086	2021-03-09