Reference page — cumulative record through Monday, October 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
AV AC PR UI S C I A CVSS EPSS %ile KEV L L L N U N N H 5.5 .0012 1.7 —
AFFECTED Product Versions Fixed Linux 4f038a6a02d20859a3479293cbf172b0f14cbdd6 – — Linux 6.15 – 6.18.35
TIMELINE Jul 19 Reserved by Linux Jul 19 Published (CNA: Linux) Oct 8 ENRICHED — CVE-2026-63999 (Linux). Received CVSS 5.5 and CPE data from NVD.
In the Linux kernel, the following vulnerability has been resolved: ethtool: rss: fix indir_table and hkey leak on get_rxfh failure rss_prepare_get() allocates the indirection table and hash key buffer via rss_get_data_alloc(), then calls ops->get_rxfh() to populate them. If get_rxfh() fails, the function returns an error without freeing the allocation.
| Date | Event | Detail |
|---|---|---|
| July 19, 2026 | Reserved | Reserved by Linux |
| July 19, 2026 | Published | Published (CNA: Linux) |
| October 8, 2026 | ENRICHED | ENRICHED — CVE-2026-63999 (Linux). Received CVSS 5.5 and CPE data from NVD. |
Authoritative record: CVE-2026-63999 at cve.org
Vendors: linux
Weaknesses: CWE-401
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-63999 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 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.
