FKIE_CVE-2022-50440

Vulnerability from fkie_nvd - Published: 2025-10-01 12:15 - Updated: 2025-10-02 19:12
Severity ?
Summary
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.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/439cbbc1519547f9a7b483f0de33b556ebfec901
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4cf949c7fafe21e085a4ee386bb2dade9067316e
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4d54d11b49860686331c58a00f733b16a93edfc4
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/50d177f90b63ea4138560e500d92be5e4c928186
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/622d527decaac0eb65512acada935a0fdc1d0202
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6948e570f54f2044dd4da444b10471373a047eeb
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6b4e70a428b5a11f56db94047b68e144529fe512
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/94b283341f9f3f0ed56a360533766377a01540e0
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ee8d31836cbe7c26e207bfa0a4a726f0a25cfcf6
Impacted products
Vendor Product Version
To clipboard 

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/vmwgfx: Validate the box size for the snooped cursor\n\nInvalid userspace dma surface copies could potentially overflow\nthe memcpy from the surface to the snooped image leading to crashes.\nTo fix it the dimensions of the copybox have to be validated\nagainst the expected size of the snooped cursor."
    }
  ],
  "id": "CVE-2022-50440",
  "lastModified": "2025-10-02T19:12:17.160",
  "metrics": {},
  "published": "2025-10-01T12:15:36.133",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/439cbbc1519547f9a7b483f0de33b556ebfec901"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/4cf949c7fafe21e085a4ee386bb2dade9067316e"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/4d54d11b49860686331c58a00f733b16a93edfc4"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/50d177f90b63ea4138560e500d92be5e4c928186"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/622d527decaac0eb65512acada935a0fdc1d0202"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/6948e570f54f2044dd4da444b10471373a047eeb"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/6b4e70a428b5a11f56db94047b68e144529fe512"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/94b283341f9f3f0ed56a360533766377a01540e0"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/ee8d31836cbe7c26e207bfa0a4a726f0a25cfcf6"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Awaiting Analysis"
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.