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drm/vmwgfx: Validate the box size for the snooped cursor

Type: advisorySource: Official CVE List1 source record

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.

Announced Group revision 1
Original source ↗

CVE-2022-50440

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2022-50440

Linux

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Linux

Source reference: /containers/cna/affected/1/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "2ac863719e518ae1a8f328849e64ea26a222f079",
        "lessThan": "ee8d31836cbe7c26e207bfa0a4a726f0a25cfcf6",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "2ac863719e518ae1a8f328849e64ea26a222f079",
        "lessThan": "50d177f90b63ea4138560e500d92be5e4c928186",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "2ac863719e518ae1a8f328849e64ea26a222f079",
        "lessThan": "6b4e70a428b5a11f56db94047b68e144529fe512",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "2ac863719e518ae1a8f328849e64ea26a222f079",
        "lessThan": "94b283341f9f3f0ed56a360533766377a01540e0",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "2ac863719e518ae1a8f328849e64ea26a222f079",
        "lessThan": "439cbbc1519547f9a7b483f0de33b556ebfec901",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "2ac863719e518ae1a8f328849e64ea26a222f079",
        "lessThan": "6948e570f54f2044dd4da444b10471373a047eeb",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "2ac863719e518ae1a8f328849e64ea26a222f079",
        "lessThan": "4d54d11b49860686331c58a00f733b16a93edfc4",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "2ac863719e518ae1a8f328849e64ea26a222f079",
        "lessThan": "622d527decaac0eb65512acada935a0fdc1d0202",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "2ac863719e518ae1a8f328849e64ea26a222f079",
        "lessThan": "4cf949c7fafe21e085a4ee386bb2dade9067316e",
        "versionType": "git"
      }
    ],
    "programFiles": [
      "drivers/gpu/drm/vmwgfx/vmwgfx_kms.c"
    ],
    "defaultStatus": "unaffected"
  },
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "3.2"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "3.2",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "4.9.337",
        "versionType": "semver",
        "lessThanOrEqual": "4.9.*"
      },
      {
        "status": "unaffected",
        "version": "4.14.303",
        "versionType": "semver",
        "lessThanOrEqual": "4.14.*"
      },
      {
        "status": "unaffected",
        "version": "4.19.270",
        "versionType": "semver",
        "lessThanOrEqual": "4.19.*"
      },
      {
        "status": "unaffected",
        "version": "5.4.229",
        "versionType": "semver",
        "lessThanOrEqual": "5.4.*"
      },
      {
        "status": "unaffected",
        "version": "5.10.163",
        "versionType": "semver",
        "lessThanOrEqual": "5.10.*"
      },
      {
        "status": "unaffected",
        "version": "5.15.87",
        "versionType": "semver",
        "lessThanOrEqual": "5.15.*"
      },
      {
        "status": "unaffected",
        "version": "6.0.18",
        "versionType": "semver",
        "lessThanOrEqual": "6.0.*"
      },
      {
        "status": "unaffected",
        "version": "6.1.4",
        "versionType": "semver",
        "lessThanOrEqual": "6.1.*"
      },
      {
        "status": "unaffected",
        "version": "6.2",
        "versionType": "original_commit_for_fix",
        "lessThanOrEqual": "*"
      }
    ],
    "programFiles": [
      "drivers/gpu/drm/vmwgfx/vmwgfx_kms.c"
    ],
    "defaultStatus": "affected"
  }
]
Related CVEs
CVE-2022-50440

Source reference: /cveMetadata/cveId

Publisher severity

high

Source reference: /containers/cna/metrics

Event
#30216 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement

Revision history

  1. CVE-2022-50440 · Revision 1Source updated