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 — net: ena: Add validation for completion descriptors consistency
AV AC PR UI S C I A CVSS EPSS %ile KEV
L L L N U N N H 5.5 .0053 42.8 —
AFFECTED
Product Versions Fixed
Linux 1738cd3ed342294360d6a74d4e58800004bff854 – —
Linux 4.9 – 6.9.7
TIMELINE
Jul 12 Reserved by Linux
Jul 12 Published (CNA: Linux)
Aug 4 RESCORED — CVE-2024-40999 (Linux). CVSS 9.8 → 5.5 (NVD).
Description
In the Linux kernel, the following vulnerability has been resolved:
net: ena: Add validation for completion descriptors consistency
Validate that `first` flag is set only for the first
descriptor in multi-buffer packets.
In case of an invalid descriptor, a reset will occur.
A new reset reason for RX data corruption has been added.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
| July 12, 2024 | Reserved | Reserved by Linux |
| July 12, 2024 | Published | Published (CNA: Linux) |
| August 4, 2026 | RESCORED | RESCORED — CVE-2024-40999 (Linux). CVSS 9.8 → 5.5 (NVD). |
Affected
Affected products and packages — 2 rows
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| Linux | Linux | — | 1738cd3ed342294360d6a74d4e58800004bff854 | — |
| Linux | Linux | — | 4.9 | 6.9.7 |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2024-40999 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.