CVE-2021-47002 - CVE House
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Status published Medium CVE-2021-47002

SUNRPC: Fix null pointer dereference in svc_rqst_free()

Vulnerability Description

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Fix null pointer dereference in svc_rqst_free() When alloc_pages_node() returns null in svc_rqst_alloc(), the null rq_scratch_page pointer will be dereferenced when calling put_page() in svc_rqst_free(). Fix it by adding a null check. Addresses-Coverity: ("Dereference after null check")

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

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

Linux
Vulnerable Versions:
79e4e0d489c8e72b9efa388e504a036eec1550c6, 5191955d6fc65e6d4efe8f4f10a6028298f57281, 5.10.220, 5.11, 0, 5.10.221, 5.11.22, 5.12.5, 5.13

Timeline

Official Publish: February 28th, 2024
Last Modified: May 23rd, 2026
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.