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CVE-2022-49935 dma-buf/dma-resv: check if the new fence is really later

🗓️ 18 Jun 2025 10:54:36Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 6 Views

Vulnerability CVE-2022-49935 fixed in Linux kernel regarding dma-buf/dma-resv fence checks.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/dma-buf/dma-resv.c"
    ],
    "versions": [
      {
        "version": "27836b641c1bf693c96c627388497b4e0f57441b",
        "lessThan": "c4c798fe98adceb642050819cb57cbc8f5c27870",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "27836b641c1bf693c96c627388497b4e0f57441b",
        "lessThan": "a3f7c10a269d5b77dd5822ade822643ced3057f0",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/dma-buf/dma-resv.c"
    ],
    "versions": [
      {
        "version": "5.0",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.0",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.19.8",
        "lessThanOrEqual": "5.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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