boxscore/security
CVE · referencelatest edition

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

CVE-2024-53217MEDIUM
Linux Linux — NFSD: Prevent NULL dereference in nfsd4_process_cb_update()
  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   L   L   L   N  U  N  N  H    5.5   .0070   50.2     —
AFFECTED
  Product  Versions                                    Fixed
  Linux    dcbeaa68dbbdacbbb330a86c7fc95a28473fc209 –  —
  Linux    2.6.38 –                                    4.19.325
TIMELINE
  Nov 19  Reserved by Linux
  Dec 27  Published (CNA: Linux)
  Aug 4   RESCORED — CVE-2024-53217 (Linux). CVSS 7.5 → 5.5 (NVD).
CWE-476 · CNA: Linux · CVSS v3.1 · 11 references · NVD status: Modified

Description

In the Linux kernel, the following vulnerability has been resolved: NFSD: Prevent NULL dereference in nfsd4_process_cb_update() @ses is initialized to NULL. If __nfsd4_find_backchannel() finds no available backchannel session, setup_callback_client() will try to dereference @ses and segfault.

Lifecycle

Complete event history — 3 events, chronological
DateEventDetail
November 19, 2024ReservedReserved by Linux
December 27, 2024PublishedPublished (CNA: Linux)
August 4, 2026RESCOREDRESCORED — CVE-2024-53217 (Linux). CVSS 7.5 → 5.5 (NVD).

Affected

Affected products and packages — 2 rows
VendorProduct / PackageEcosystemVersion introducedFixed
LinuxLinuxdcbeaa68dbbdacbbb330a86c7fc95a28473fc209
LinuxLinux2.6.384.19.325

Weaknesses

CWE-476

References (11)

Related

Authoritative record: CVE-2024-53217 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-2024-53217 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 Wednesday, August 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.