Lucene search

416baaa9-dc9f-4396-8d5f-8c081fb06d67CVE-2021-47571

HistoryMay 24, 2024 - 3:15 p.m.

CVE-2021-47571

2024-05-2415:15:22

CWE-416

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

web.nvd.nist.gov

linux

kernel

use after free

rtl8192e

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

6.8 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

5.1%

JSON

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

staging: rtl8192e: Fix use after free in _rtl92e_pci_disconnect()

The free_rtllib() function frees the “dev” pointer so there is use
after free on the next line. Re-arrange things to avoid that.

Affected configurations

Vulners

NVD

Node

linuxlinux_kernelRange3.2–4.4.294

linuxlinux_kernelRange4.5.0–4.9.292

linuxlinux_kernelRange4.10.0–4.14.257

linuxlinux_kernelRange4.15.0–4.19.219

linuxlinux_kernelRange4.20.0–5.4.163

linuxlinux_kernelRange5.5.0–5.10.83

linuxlinux_kernelRange5.11.0–5.15.6

linuxlinux_kernelRange5.16.0≥

CPENameOperatorVersion
linux:linux_kernellinux linux kernellt4.4.294
linux:linux_kernellinux linux kernellt4.9.292
linux:linux_kernellinux linux kernellt4.14.257
linux:linux_kernellinux linux kernellt4.19.219
linux:linux_kernellinux linux kernellt5.4.163
linux:linux_kernellinux linux kernellt5.10.83
linux:linux_kernellinux linux kernellt5.15.6

CPE	Name	Operator	Version
linux:linux_kernel	linux linux kernel	lt	4.4.294
linux:linux_kernel	linux linux kernel	lt	4.9.292
linux:linux_kernel	linux linux kernel	lt	4.14.257
linux:linux_kernel	linux linux kernel	lt	4.19.219
linux:linux_kernel	linux linux kernel	lt	5.4.163
linux:linux_kernel	linux linux kernel	lt	5.10.83
linux:linux_kernel	linux linux kernel	lt	5.15.6

CNA Affected

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/staging/rtl8192e/rtl8192e/rtl_core.c"
    ],
    "versions": [
      {
        "version": "66898177e7e5",
        "lessThan": "d43aecb694b1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "66898177e7e5",
        "lessThan": "918668038293",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "66898177e7e5",
        "lessThan": "c0ef0e75a858",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "66898177e7e5",
        "lessThan": "bca19bb2dc2d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "66898177e7e5",
        "lessThan": "2e1ec01af2c7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "66898177e7e5",
        "lessThan": "8d0163cec7de",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "66898177e7e5",
        "lessThan": "e27ee2f607fe",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "66898177e7e5",
        "lessThan": "b535917c51ac",
        "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/staging/rtl8192e/rtl8192e/rtl_core.c"
    ],
    "versions": [
      {
        "version": "3.2",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.2",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "4.4.294",
        "lessThanOrEqual": "4.4.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "4.9.292",
        "lessThanOrEqual": "4.9.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "4.14.257",
        "lessThanOrEqual": "4.14.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "4.19.219",
        "lessThanOrEqual": "4.19.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.4.163",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.10.83",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.15.6",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.16",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

References

git.kernel.org/stable/c/2e1ec01af2c7139c6a600bbfaea1a018b35094b6

git.kernel.org/stable/c/8d0163cec7de995f9eb9c3128c83fb84f0cb1c64

git.kernel.org/stable/c/9186680382934b0e7529d3d70dcc0a21d087683b

git.kernel.org/stable/c/b535917c51acc97fb0761b1edec85f1f3d02bda4

git.kernel.org/stable/c/bca19bb2dc2d89ce60c4a4a6e59609d4cf2e13ef

git.kernel.org/stable/c/c0ef0e75a858cbd8618b473f22fbca36106dcf82

git.kernel.org/stable/c/d43aecb694b10db9a4228ce2d38b5ae8de374443

git.kernel.org/stable/c/e27ee2f607fe6a9b923ef1fc65461c0613c97594

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

6.8 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

5.1%

JSON

Related for CVE-2021-47571