vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2023-2598

HIGH
7.8
CVSS Score
Published: June 1, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 05:52 AM UTC
3 products affected across 3 vendorsLinux KernelHci Baseboard Management ControllerKernel

Using Kernel by N/A?

Get instant alerts when new vulnerabilities affect Kernel - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
HIGH7.8
Exploit prediction
EPSS 1%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
95%
6.3 ≤ v < 6.3.2
Affected range stops below 6.3.2, so it looks safe — our inference, not a vendor statement
Hci Baseboard Management Controller· NetAppdrupal
95%
h300sh410ch410sh500sh700s
Kernel· Red Hat
60%
v < 6.4-rc1
Affected range stops below 6.4-rc1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (3)

Mailing List
Source: [email protected]
http://www.openwall.com/lists/oss-security/2024/04/24/3
Third Party Advisory
Source: [email protected]
https://security.netapp.com/advisory/ntap-20230703-0006/
Mailing ListThird Party Advisory
Source: [email protected]
https://www.openwall.com/lists/oss-security/2023/05/08/3

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGHCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-416CWE-787

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card