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 — drm/vmwgfx: Validate the box size for the snooped cursor
AV AC PR UI S C I A CVSS EPSS %ile KEV
L L L N U N N H 5.5 .0016 5.3 —
AFFECTED
Product Versions Fixed
Linux 2ac863719e518ae1a8f328849e64ea26a222f079 – —
Linux 3.2 – 4.9.337
TIMELINE
Sep 17 Reserved by Linux
Oct 1 Published (CNA: Linux)
Aug 4 RESCORED — CVE-2022-50440 (Linux). CVSS 7.8 → 5.5 (NVD).
Description
In the Linux kernel, the following vulnerability has been resolved:
drm/vmwgfx: Validate the box size for the snooped cursor
Invalid userspace dma surface copies could potentially overflow
the memcpy from the surface to the snooped image leading to crashes.
To fix it the dimensions of the copybox have to be validated
against the expected size of the snooped cursor.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
| September 17, 2025 | Reserved | Reserved by Linux |
| October 1, 2025 | Published | Published (CNA: Linux) |
| August 4, 2026 | RESCORED | RESCORED — CVE-2022-50440 (Linux). CVSS 7.8 → 5.5 (NVD). |
Affected
Affected products and packages — 2 rows
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| Linux | Linux | — | 2ac863719e518ae1a8f328849e64ea26a222f079 | — |
| Linux | Linux | — | 3.2 | 4.9.337 |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2022-50440 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.