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-2023-53381MEDIUM
Linux Linux — NFSD: fix leaked reference count of nfsd4_ssc_umount_item
  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   L   L   L   N  U  N  N  H    5.5   .0028   20.5     —
AFFECTED
  Product  Versions                                    Fixed
  Linux    a4bc287943f5695209ff36bdc89f17b48d68fae7 –  —
  Linux    5.14 –                                      5.15.154
TIMELINE
  Sep 17  Reserved by Linux
  Sep 18  Published (CNA: Linux)
  Aug 4   RESCORED — CVE-2023-53381 (Linux). CVSS 7.5 → 5.5 (NVD).
CNA: Linux · CVSS v3.1 · 5 references · NVD status: Modified

Description

In the Linux kernel, the following vulnerability has been resolved: NFSD: fix leaked reference count of nfsd4_ssc_umount_item The reference count of nfsd4_ssc_umount_item is not decremented on error conditions. This prevents the laundromat from unmounting the vfsmount of the source file. This patch decrements the reference count of nfsd4_ssc_umount_item on error.

Lifecycle

Complete event history — 3 events, chronological
DateEventDetail
September 17, 2025ReservedReserved by Linux
September 18, 2025PublishedPublished (CNA: Linux)
August 4, 2026RESCOREDRESCORED — CVE-2023-53381 (Linux). CVSS 7.5 → 5.5 (NVD).

Affected

Affected products and packages — 2 rows
VendorProduct / PackageEcosystemVersion introducedFixed
LinuxLinuxa4bc287943f5695209ff36bdc89f17b48d68fae7
LinuxLinux5.145.15.154

References (5)

Related

Authoritative record: CVE-2023-53381 at cve.org

Vendors: linux

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2023-53381 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.