CVE-2023-52812 drm/amd: check num of link levels when update pcie param

2024-05-2115:31:20

Linux

github.com

linux kernel

vulnerability

drm/amd

pcie param

sr-iov

array index out of bounds

6.9 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

15.7%

JSON

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

drm/amd: check num of link levels when update pcie param

In SR-IOV environment, the value of pcie_table->num_of_link_levels will
be 0, and num_of_levels - 1 will cause array index out of bounds

CNA Affected

[
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "1da177e4c3f4",
        "lessThan": "5b4574b663d0",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "1da177e4c3f4",
        "lessThan": "09f617219fe9",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "1da177e4c3f4",
        "lessThan": "406e8845356d",
        "versionType": "git"
      }
    ],
    "programFiles": [
      "drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c"
    ],
    "defaultStatus": "unaffected"
  },
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "unaffected",
        "version": "6.5.13",
        "versionType": "custom",
        "lessThanOrEqual": "6.5.*"
      },
      {
        "status": "unaffected",
        "version": "6.6.3",
        "versionType": "custom",
        "lessThanOrEqual": "6.6.*"
      },
      {
        "status": "unaffected",
        "version": "6.7",
        "versionType": "original_commit_for_fix",
        "lessThanOrEqual": "*"
      }
    ],
    "programFiles": [
      "drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c"
    ],
    "defaultStatus": "affected"
  }
]