CVE-2022-1786

 

Published at: - 02-06-2022 04:15

Last modified: - 26-10-2022 01:44

Total changes: - 5

Description

A use-after-free flaw was found in the Linux kernel’s io_uring subsystem in the way a user sets up a ring with IORING_SETUP_IOPOLL with more than one task completing submissions on this ring. This flaw allows a local user to crash or escalate their privileges on the system.

Common Vulnerability Scoring System (CVSS)

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

 

Verification logic

 

Reference

• https://bugzilla.redhat.com/show_bug.cgi?id=2087760
• DSA-5161-Third Party Advisory
• https://security.netapp.com/advisory/ntap-20220722-0001/

 

Keywords

NVD

 

CVE-2022-1786

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures