boxscore/security
CVE · referencelatest edition

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.

CVE-2022-50440MEDIUM
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).
CWE-476 · CNA: Linux · CVSS v3.1 · 9 references · NVD status: Modified

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
DateEventDetail
September 17, 2025ReservedReserved by Linux
October 1, 2025PublishedPublished (CNA: Linux)
August 4, 2026RESCOREDRESCORED — CVE-2022-50440 (Linux). CVSS 7.8 → 5.5 (NVD).

Affected

Affected products and packages — 2 rows
VendorProduct / PackageEcosystemVersion introducedFixed
LinuxLinux2ac863719e518ae1a8f328849e64ea26a222f079
LinuxLinux3.24.9.337

Weaknesses

CWE-476

References (9)

Related

Authoritative record: CVE-2022-50440 at cve.org

Vendors: linux

Weaknesses: CWE-476

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.