boxscore/security
CVE · referencelatest edition

Reference page — cumulative record through Monday, October 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2021-47002

Linux Linux — SUNRPC: Fix null pointer dereference in svc_rqst_free()
  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   L   L   L   N  U  N  N  H    5.5   .0024   13.5     —
AFFECTED
  Product  Versions                                    Fixed
  Linux    79e4e0d489c8e72b9efa388e504a036eec1550c6 –  —
  Linux    5.11 –                                      5.10.221
TIMELINE
  Feb 27  Reserved by Linux
  Feb 28  Published (CNA: Linux)
  Oct 14  ENRICHED — CVE-2021-47002 (Linux). Received CVSS 5.5 and CPE data from NVD.
CWE-476 · CNA: Linux · CVSS v3.1 · 5 references · NVD status: Modified

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")

Lifecycle

Complete event history — 3 events, chronological
DateEventDetail
February 27, 2024ReservedReserved by Linux
February 28, 2024PublishedPublished (CNA: Linux)
October 14, 2026ENRICHEDENRICHED — CVE-2021-47002 (Linux). Received CVSS 5.5 and CPE data from NVD.

Affected

Affected products and packages — 2 rows
VendorProduct / PackageEcosystemVersion introducedFixed
LinuxLinux—79e4e0d489c8e72b9efa388e504a036eec1550c6—
LinuxLinux—5.115.10.221

Weaknesses

CWE-476

References (5)

Related

Authoritative record: CVE-2021-47002 at cve.org

Vendors: linux

Weaknesses: CWE-476

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2021-47002 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Monday, October 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.