Description
A flaw was found in the fixed buffer registration code for io_uring (io_sqe_buffer_register in io_uring/rsrc.c) in the Linux kernel that allows out-of-bounds access to physical memory beyond the end of the buffer. This flaw enables full local privilege escalation.
Exploits (5)
nomisec
WORKING POC
92 stars
by ysanatomic · poc
https://github.com/ysanatomic/io_uring_LPE-CVE-2023-2598
References (3)
Core 3
Core References
Third Party Advisory
https://security.netapp.com/advisory/ntap-20230703-0006/
Mailing List, Third Party Advisory
https://www.openwall.com/lists/oss-security/2023/05/08/3
Mailing List mailing-list
http://www.openwall.com/lists/oss-security/2024/04/24/3
Scores
CVSS v3
7.8
EPSS
0.0070
EPSS Percentile
72.1%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-416
CWE-787
Status
published
Products (6)
linux/linux_kernel
6.3 - 6.3.2
netapp/hci_baseboard_management_controller
h300s
netapp/hci_baseboard_management_controller
h410c
netapp/hci_baseboard_management_controller
h410s
netapp/hci_baseboard_management_controller
h500s
netapp/hci_baseboard_management_controller
h700s
Published
Jun 01, 2023
Tracked Since
Feb 18, 2026