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.
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).
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
| Date | Event | Detail |
| September 17, 2025 | Reserved | Reserved by Linux |
| September 18, 2025 | Published | Published (CNA: Linux) |
| August 4, 2026 | RESCORED | RESCORED — CVE-2023-53381 (Linux). CVSS 7.5 → 5.5 (NVD). |
Affected
Affected products and packages — 2 rows
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| Linux | Linux | — | a4bc287943f5695209ff36bdc89f17b48d68fae7 | — |
| Linux | Linux | — | 5.14 | 5.15.154 |
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.