CVE-2023-52467 mfd: syscon: Fix null pointer dereference in of_syscon_register()

2024-02-2508:16:31

Linux

www.cve.org

linux kernel

vulnerability resolved

mfd syscon fix

6.3 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

JSON

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

mfd: syscon: Fix null pointer dereference in of_syscon_register()

kasprintf() returns a pointer to dynamically allocated memory
which can be NULL upon failure.

CNA Affected

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/mfd/syscon.c"
    ],
    "versions": [
      {
        "version": "e15d7f2b81d2",
        "lessThan": "927626a20738",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e15d7f2b81d2",
        "lessThan": "c3e3a2144bf5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e15d7f2b81d2",
        "lessThan": "527e8c5f3d00",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e15d7f2b81d2",
        "lessThan": "3ef1130deee9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e15d7f2b81d2",
        "lessThan": "7f2c410ac470",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e15d7f2b81d2",
        "lessThan": "41673c66b3d0",
        "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/mfd/syscon.c"
    ],
    "versions": [
      {
        "version": "5.9",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.9",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.10.209",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.15.148",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.1.75",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.6.14",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.7.2",
        "lessThanOrEqual": "6.7.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.8",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]