Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2026-64342
Linux Linux — USB: iowarrior: fix use-after-free on disconnect
AV AC PR UI S C I A CVSS EPSS %ile KEV
L L L N U H H H 7.8 .0013 2.0 —
AFFECTED
Product Versions Fixed
Linux 946b960d13c15f050a3b848987aaca79f6a459b7 – —
Linux 2.6.21 – 5.10.261
TIMELINE
Jul 19 Reserved by Linux
Jul 25 Published (CNA: Linux)
Sep 3 ENRICHED — CVE-2026-64342 (Linux). Received CVSS 7.8 and CPE data from NVD.
Description
In the Linux kernel, the following vulnerability has been resolved:
USB: iowarrior: fix use-after-free on disconnect
Submitted write URBs are not stopped on close() and therefore need to be
stopped unconditionally on disconnect() to avoid use-after-free in the
completion handler.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
| July 19, 2026 | Reserved | Reserved by Linux |
| July 25, 2026 | Published | Published (CNA: Linux) |
| September 3, 2026 | ENRICHED | ENRICHED — CVE-2026-64342 (Linux). Received CVSS 7.8 and CPE data from NVD. |
Affected
Affected products and packages — 2 rows
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| Linux | Linux | — | 946b960d13c15f050a3b848987aaca79f6a459b7 | — |
| Linux | Linux | — | 2.6.21 | 5.10.261 |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-64342 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 Sunday, October 4, 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.