CVE-2023-6121

MEDIUM

Red Hat Enterprise Linux - Out-of-bounds Read in NVMe-oF/TCP Subsystem

Title source: llm
STIX 2.1

Description

An out-of-bounds read vulnerability was found in the NVMe-oF/TCP subsystem in the Linux kernel. This issue may allow a remote attacker to send a crafted TCP packet, triggering a heap-based buffer overflow that results in kmalloc data being printed and potentially leaked to the kernel ring buffer (dmesg).

References (9)

Core 9
Core References
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2024:2394
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2024:2950
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2024:3138
Third Party Advisory vdb-entry x_refsource_redhat
https://access.redhat.com/security/cve/CVE-2023-6121
Issue Tracking, Third Party Advisory issue-tracking x_refsource_redhat
https://bugzilla.redhat.com/show_bug.cgi?id=2250043

Scores

CVSS v3 4.3
EPSS 0.0166
EPSS Percentile 73.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-125
Status published
Products (10)
Red Hat/Red Hat Enterprise Linux 6
Red Hat/Red Hat Enterprise Linux 7
Red Hat/Red Hat Enterprise Linux 8 0:4.18.0-553.el8_10
Red Hat/Red Hat Enterprise Linux 8 0:4.18.0-553.rt7.342.el8_10
Red Hat/Red Hat Enterprise Linux 9
Red Hat/Red Hat Enterprise Linux 9 0:5.14.0-427.13.1.el9_4
redhat/enterprise_linux 6.0
redhat/enterprise_linux 7.0
redhat/enterprise_linux 8.0
redhat/enterprise_linux 9.0
Published Nov 16, 2023
Tracked Since Feb 18, 2026