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.
Advisories
Source ID Title
Debian DSA Debian DSA DSA-5161-1 linux security update
EUVD EUVD EUVD-2022-25066 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.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

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Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-03T00:16:59.956Z

Reserved: 2022-05-18T00:00:00

Link: CVE-2022-1786

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2022-06-02T14:15:33.150

Modified: 2024-11-21T06:41:28.023

Link: CVE-2022-1786

cve-icon Redhat

Severity : Moderate

Publid Date: 2022-05-24T00:00:00Z

Links: CVE-2022-1786 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses