Reference page — cumulative record through Monday, October 5, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2025-21735
Linux Linux — NFC: nci: Add bounds checking in nci_hci_create_pipe()
AV AC PR UI S C I A CVSS EPSS %ile KEV
L L L N U H H H 7.8 .0038 29.7 —
AFFECTED
Product Versions Fixed
Linux a1b0b9415817c14d207921582f269d03f848b69f – —
Linux 4.4 – 5.4.291
TIMELINE
Dec 29 Reserved by Linux
Feb 27 Published (CNA: Linux)
Jul 30 RESCORED — CVE-2025-21735 (Linux). CVSS 8.8 → 7.8 (NVD).
Description
In the Linux kernel, the following vulnerability has been resolved:
NFC: nci: Add bounds checking in nci_hci_create_pipe()
The "pipe" variable is a u8 which comes from the network. If it's more
than 127, then it results in memory corruption in the caller,
nci_hci_connect_gate().
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
| December 29, 2024 | Reserved | Reserved by Linux |
| February 27, 2025 | Published | Published (CNA: Linux) |
| July 30, 2026 | RESCORED | RESCORED — CVE-2025-21735 (Linux). CVSS 8.8 → 7.8 (NVD). |
Affected
Affected products and packages — 2 rows
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| Linux | Linux | — | a1b0b9415817c14d207921582f269d03f848b69f | — |
| Linux | Linux | — | 4.4 | 5.4.291 |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2025-21735 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 5, 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.