CVE-2021-47320

2024-05-2115:15:19

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

web.nvd.nist.gov

linux kernel

acl memory leak

vulnerability fix

nfs

xfstests

error paths

nvd

6.8 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

13.2%

JSON

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

nfs: fix acl memory leak of posix_acl_create()

When looking into another nfs xfstests report, I found acl and
default_acl in nfs3_proc_create() and nfs3_proc_mknod() error
paths are possibly leaked. Fix them in advance.

Affected configurations

Vulners

Node

linuxlinux_kernelRange3.14–4.4.276

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": [
      "fs/nfs/nfs3proc.c"
    ],
    "versions": [
      {
        "version": "013cdf1088d7",
        "lessThan": "2e3960f276b4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "013cdf1088d7",
        "lessThan": "cef9d9acb7c8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "013cdf1088d7",
        "lessThan": "8a2b308a54c5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "013cdf1088d7",
        "lessThan": "0704f617040c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "013cdf1088d7",
        "lessThan": "d0b32dc1409f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "013cdf1088d7",
        "lessThan": "4b515308ab87",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "013cdf1088d7",
        "lessThan": "c8fc86e9df6a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "013cdf1088d7",
        "lessThan": "687cf32865b2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "013cdf1088d7",
        "lessThan": "1fcb6fcd74a2",
        "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/nfs/nfs3proc.c"
    ],
    "versions": [
      {
        "version": "3.14",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.14",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "4.4.276",
        "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"
      }
    ]
  }
]