CVE-2021-28361
spdk: NULL pointer dereference in the iSCSI target If a PDU is sent with a zero length
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · March 10, 2021
Updated · November 22, 2025
Description
A flaw was found in the SPDK iSCSI target. A NULL pointer dereference resulted from a text PDU sent with a zero-length, resulting in a crash of the SPDK iCSCI target process. The highest threat from this vulnerability is to system availability.
Statement
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Ceph in Red Hat Enterprise Linux is built without SPDK.
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Red Hat OpenStack Platform deployments use the ceph package directly from the Ceph channel; the RHOSP ceph package will not be updated at this time.
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Red Hat OpenShift Container Storage (RHOCS) 4 shipped ceph package for the usage of RHOCS 4.2 only, that has reached End Of Life. The shipped version of ceph package is no longer used and supported with the release of RHOCS 4.3.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-476 · NULL Pointer Dereference