CVE-2021-47166

2024-03-2510:15:08

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

web.nvd.nist.gov

linux

kernel

nfs

vulnerability

pg_bytes_written

6.2 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

13.2%

JSON

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

NFS: Don’t corrupt the value of pg_bytes_written in nfs_do_recoalesce()

The value of mirror->pg_bytes_written should only be updated after a
successful attempt to flush out the requests on the list.

Affected configurations

Vulners

Node

linuxlinux_kernelRange4.0–4.4.271

linuxlinux_kernelRange4.5.0–4.9.271

linuxlinux_kernelRange4.10.0–4.14.235

linuxlinux_kernelRange4.15.0–4.19.193

linuxlinux_kernelRange4.20.0–5.4.124

linuxlinux_kernelRange5.5.0–5.10.42

linuxlinux_kernelRange5.11.0–5.12.9

linuxlinux_kernelRange5.13.0≥

VendorProductVersionCPE
linuxlinux_kernel*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linuxlinux_kernel*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linuxlinux_kernel*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linuxlinux_kernel*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linuxlinux_kernel*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linuxlinux_kernel*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linuxlinux_kernel*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linuxlinux_kernel*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
linux	linux_kernel	*	cpe:2.3:o:linux:linux_kernel::::::::
linux	linux_kernel	*	cpe:2.3:o:linux:linux_kernel::::::::
linux	linux_kernel	*	cpe:2.3:o:linux:linux_kernel::::::::
linux	linux_kernel	*	cpe:2.3:o:linux:linux_kernel::::::::
linux	linux_kernel	*	cpe:2.3:o:linux:linux_kernel::::::::
linux	linux_kernel	*	cpe:2.3:o:linux:linux_kernel::::::::
linux	linux_kernel	*	cpe:2.3:o:linux:linux_kernel::::::::
linux	linux_kernel	*	cpe:2.3:o:linux:linux_kernel::::::::

CNA Affected

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/nfs/pagelist.c"
    ],
    "versions": [
      {
        "version": "a7d42ddb3099",
        "lessThan": "e8b8418ce14a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a7d42ddb3099",
        "lessThan": "b291baae24f8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a7d42ddb3099",
        "lessThan": "c757c1f1e65d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a7d42ddb3099",
        "lessThan": "40f139a6d50c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a7d42ddb3099",
        "lessThan": "785917316b25",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a7d42ddb3099",
        "lessThan": "7087db95c0a0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a7d42ddb3099",
        "lessThan": "2fe1cac336b5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a7d42ddb3099",
        "lessThan": "0d0ea309357d",
        "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/pagelist.c"
    ],
    "versions": [
      {
        "version": "4.0",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.0",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "4.4.271",
        "lessThanOrEqual": "4.4.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "4.9.271",
        "lessThanOrEqual": "4.9.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "4.14.235",
        "lessThanOrEqual": "4.14.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "4.19.193",
        "lessThanOrEqual": "4.19.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.4.124",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.10.42",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.12.9",
        "lessThanOrEqual": "5.12.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.13",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]