CVE-2022-50440
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-10-01

Last updated on: 2025-10-02

Assigner: kernel.org

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.
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Meta Information
Published
2025-10-01
Last Modified
2025-10-02
Generated
2026-05-07
AI Q&A
2025-10-01
EPSS Evaluated
2026-05-05
NVD
CVE-2022-50440
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel From 5.15.160 (inc) to 5.16 (inc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-UNKNOWN
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AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability in the Linux kernel's drm/vmwgfx component involves improper validation of the box size used for copying a snooped cursor image. Specifically, invalid userspace DMA surface copies could overflow the memcpy operation from the surface to the snooped image, potentially causing crashes. The fix involves validating the dimensions of the copy box against the expected size of the snooped cursor to prevent overflow.


How can this vulnerability impact me? :

This vulnerability can lead to crashes in the Linux kernel due to buffer overflow during the copying of the snooped cursor image. Such crashes could cause system instability or denial of service, impacting the reliability of systems using the affected drm/vmwgfx component.


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