DEBIAN-CVE-2022-1786

Advisory lineage Upstream: 1 Downstream: 1
Upstream
CVE-2022-1786
Downstream
DSA-5161-1
Published: 02 Jun 2022, 14:15
Last modified:28 Apr 2026, 20:23

Vulnerability Summary

Overall Risk (default)
medium
31/100
CVSS Score
7.8 HIGH
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

02 Jun 2022, 14:15
Published
Vulnerability first disclosed
28 Apr 2026, 20:23
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.1•HIGH•Score: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Systems

  • debian•linux

    < 5.10.120-1 | < 5.14.6-1 | < 5.14.6-1 | < 5.14.6-1

References (1)