CVE-2022-50440
high
CVSS v3
—
CVSS v2
—
VIR risk
8.0
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.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2022-50440
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2022-50440.html
Vendor advisory: redhat — https://access.redhat.com/errata/RHSA-2023:6583
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| rhel | 9 | fixed | |
| sles | affected | | |
| debian | bookworm | fixed | 6.1.4-1 |
| debian | bullseye | fixed | 5.10.178-1 |
| debian | forky | fixed | 6.1.4-1 |
| debian | sid | fixed | 6.1.4-1 |
| debian | trixie | fixed | 6.1.4-1 |
References
Verify integrity in audit chain (admin only). AS-IS.