Kernel: null pointer dereference in nvmet_tcp_build_iovec

6.5 CVSS

Vulnerability Description

A flaw was found in the Linux kernel's NVMe driver. This issue may allow an unauthenticated malicious actor to send a set of crafted TCP packages when using NVMe over TCP, leading the NVMe driver to a NULL pointer dereference in the NVMe driver and causing kernel panic and a denial of service.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

Red Hat would like to thank Alon Zahavi for reporting this issue.

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Affected Vendor

Red Hat

View all reports →

Affected Software

Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 8.6 Extended Update Support, Red Hat Enterprise Linux 8.8 Extended Update Support, Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 9.2 Extended Update Support, Red Hat Virtualization 4 for Red Hat Enterprise Linux 8, RHOL-5.8-RHEL-9, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7

Vulnerable Versions:

0:4.18.0-513.18.1.rt7.320.el8_9, 0:4.18.0-513.18.1.el8_9, 0:4.18.0-372.91.1.el8_6, 0:4.18.0-477.58.1.el8_8, 0:5.14.0-362.24.1.el9_3, 0:5.14.0-284.52.1.el9_2, 0:5.14.0-284.52.1.rt14.337.el9_2, v5.8.6-22, v5.8.6-11, v6.8.1-407, v5.8.6-19, v1.0.0-479, v5.8.6-7, v0.4.0-247, v5.8.6-5, v1.1.0-227, v5.8.1-470, v2.9.6-14, v5.8.6-2, v5.8.6-24, v5.8.6-10, v0.1.0-525, v0.1.0-224, v0.28.1-56