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.
References (3)
Core 3
Core References
Issue Tracking, Third Party Advisory x_refsource_misc
https://bugzilla.redhat.com/show_bug.cgi?id=2087760
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2022/dsa-5161
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20220722-0001/
Scores
CVSS v3
7.8
EPSS
0.0115
EPSS Percentile
78.6%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-843
CWE-416
Status
published
Products (6)
linux/linux_kernel
5.10 - 5.12
netapp/h300s_firmware
netapp/h410c_firmware
netapp/h410s_firmware
netapp/h500s_firmware
netapp/h700s_firmware
Published
Jun 02, 2022
Tracked Since
Feb 18, 2026