CVE-2022-48741 ovl: fix NULL pointer dereference in copy up warning

2024-06-2011:13:25

Linux

www.cve.org

linux kernel

vulnerability

ovl fix

null pointer

copy up warning

0.0004 Low

EPSS

Percentile

15.7%

JSON

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

ovl: fix NULL pointer dereference in copy up warning

This patch is fixing a NULL pointer dereference to get a recently
introduced warning message working.

CNA Affected

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/overlayfs/copy_up.c"
    ],
    "versions": [
      {
        "version": "5cffa333a2b2",
        "lessThan": "e6b678c1a367",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5b0a414d06c3",
        "lessThan": "9c7f8a35c5a8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5b0a414d06c3",
        "lessThan": "4ee7e4a6c9b2",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/overlayfs/copy_up.c"
    ],
    "versions": [
      {
        "version": "5.16",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.16",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.15.20",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.16.6",
        "lessThanOrEqual": "5.16.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.17",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]