CVE-2022-50440CWE-476

CVE-2022-50440

High · published October 1, 2025

CVSS v3.1
7.8
EPSS
0%
Percentile
6.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00171 · 6.2th percentile
Weakness
CWE-476 · NULL Pointer Dereference
Published
2025-10-01T16:15Z
Affected products (8)
ProductVersionsFixed in
linux/linux_kernel≥ 3.2, < 4.9.3374.9.337
linux/linux_kernel≥ 4.10, < 4.14.3034.14.303
linux/linux_kernel≥ 4.15, < 4.19.2704.19.270
linux/linux_kernel≥ 4.20, < 5.4.2295.4.229
linux/linux_kernel≥ 5.5, < 5.10.1635.10.163
linux/linux_kernel≥ 5.11, < 5.15.875.15.87
linux/linux_kernel≥ 5.16, < 6.0.186.0.18
linux/linux_kernel≥ 6.1, < 6.1.46.1.4
References (9)
EPSS history
Timeline
  • 01 OCT 11:42Z
    drm/vmwgfx: Validate the box size for the snooped cursor
    cvelistv5