CVE-2021-47315

2024-05-2115:15:18

416baaa9-dc9f-4396-8d5f-8c081fb06d67

web.nvd.nist.gov

linux kernel

vulnerability

memory leakage

6.7 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

13.2%

JSON

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

memory: fsl_ifc: fix leak of IO mapping on probe failure

On probe error the driver should unmap the IO memory. Smatch reports:

drivers/memory/fsl_ifc.c:298 fsl_ifc_ctrl_probe() warn: ‘fsl_ifc_ctrl_dev->gregs’ not released on lines: 298.

Affected configurations

Vulners

Node

linuxlinux_kernelRange3.3–4.4.276

linuxlinux_kernelRange4.5.0–4.4.277

linuxlinux_kernelRange4.5.0–4.9.276

linuxlinux_kernelRange4.10.0–4.14.240

linuxlinux_kernelRange4.15.0–4.19.198

linuxlinux_kernelRange4.20.0–5.4.134

linuxlinux_kernelRange5.5.0–5.10.52

linuxlinux_kernelRange5.11.0–5.12.19

linuxlinux_kernelRange5.13.0–5.13.4

linuxlinux_kernelRange5.14.0≥

CNA Affected

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/memory/fsl_ifc.c"
    ],
    "versions": [
      {
        "version": "a20cbdeffce2",
        "lessThan": "b7a2bcb4a373",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a20cbdeffce2",
        "lessThan": "bd051b3e184f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a20cbdeffce2",
        "lessThan": "d0d04b95e8ed",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a20cbdeffce2",
        "lessThan": "6b3b002de907",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a20cbdeffce2",
        "lessThan": "94bc2fe46102",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a20cbdeffce2",
        "lessThan": "d9213d4f372d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a20cbdeffce2",
        "lessThan": "8d071d270afb",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a20cbdeffce2",
        "lessThan": "83af5816308b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a20cbdeffce2",
        "lessThan": "28f71fd81ebd",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a20cbdeffce2",
        "lessThan": "3b132ab67fc7",
        "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/memory/fsl_ifc.c"
    ],
    "versions": [
      {
        "version": "3.3",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.3",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "4.4.276",
        "lessThanOrEqual": "4.4.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "4.4.277",
        "lessThanOrEqual": "4.4.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "4.9.276",
        "lessThanOrEqual": "4.9.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "4.14.240",
        "lessThanOrEqual": "4.14.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "4.19.198",
        "lessThanOrEqual": "4.19.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.4.134",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.10.52",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.12.19",
        "lessThanOrEqual": "5.12.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.13.4",
        "lessThanOrEqual": "5.13.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.14",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]