CVE-2024-40936 cxl/region: Fix memregion leaks in devm_cxl_add_region()

2024-07-1212:25:13

Linux

www.cve.org

cve-2024-40936

linux kernel

memregion leaks

EPSS

Percentile

15.9%

JSON

In the Linux kernel, the following vulnerability has been resolved:

cxl/region: Fix memregion leaks in devm_cxl_add_region()

Move the mode verification to __create_region() before allocating the
memregion to avoid the memregion leaks.

CNA Affected

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/cxl/core/region.c"
    ],
    "versions": [
      {
        "version": "6e099264185d",
        "lessThan": "d8316838aa06",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6e099264185d",
        "lessThan": "bbb5d8746381",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6e099264185d",
        "lessThan": "49ba7b515c4c",
        "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/cxl/core/region.c"
    ],
    "versions": [
      {
        "version": "6.3",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.3",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.6.35",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.9.6",
        "lessThanOrEqual": "6.9.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.10",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]