CVE-2024-27052 wifi: rtl8xxxu: add cancel_work_sync() for c2hcmd_work

2024-05-0112:54:42

Linux

www.cve.org

linux kernel

use-after-free

vulnerability

rtl8xxxu

wifi driver

AI Score

7.7

Confidence

High

EPSS

Percentile

10.3%

JSON

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

wifi: rtl8xxxu: add cancel_work_sync() for c2hcmd_work

The workqueue might still be running, when the driver is stopped. To
avoid a use-after-free, call cancel_work_sync() in rtl8xxxu_stop().

CNA Affected

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c"
    ],
    "versions": [
      {
        "version": "e542e66b7c2e",
        "lessThan": "dddedfa3b29a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e542e66b7c2e",
        "lessThan": "ac512507ac89",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e542e66b7c2e",
        "lessThan": "3518cea837de",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e542e66b7c2e",
        "lessThan": "156012667b85",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e542e66b7c2e",
        "lessThan": "7059cdb69f8e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e542e66b7c2e",
        "lessThan": "58fe3bbddfec",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e542e66b7c2e",
        "lessThan": "1213acb478a7",
        "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/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c"
    ],
    "versions": [
      {
        "version": "5.5",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.5",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.10.214",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.15.153",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.1.83",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.6.23",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.7.11",
        "lessThanOrEqual": "6.7.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.8.2",
        "lessThanOrEqual": "6.8.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.9",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]