CVE-2022-48907 auxdisplay: lcd2s: Fix memory leak in ->remove()

2024-08-2201:30:45

Linux

www.cve.org

linux kernel

cve-2022-48907

vulnerability

memory leak

auxdisplay

lcd2s

fix

EPSS

Percentile

5.1%

JSON

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

auxdisplay: lcd2s: Fix memory leak in ->remove()

Once allocated the struct lcd2s_data is never freed.
Fix the memory leak by switching to devm_kzalloc().

CNA Affected

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/auxdisplay/lcd2s.c"
    ],
    "versions": [
      {
        "version": "8c9108d014c5",
        "lessThan": "5d53cd33f425",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8c9108d014c5",
        "lessThan": "3585ed5f9b11",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8c9108d014c5",
        "lessThan": "898c0a15425a",
        "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/auxdisplay/lcd2s.c"
    ],
    "versions": [
      {
        "version": "5.11",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.11",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.15.27",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.16.13",
        "lessThanOrEqual": "5.16.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.17",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]