CVE-2021-47310

2024-05-2115:15:18

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

web.nvd.nist.gov

linux kernel

uaf vulnerability

net: ti

tlan_remove_one

free_netdev

6.7 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

13.0%

JSON

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

net: ti: fix UAF in tlan_remove_one

priv is netdev private data and it cannot be
used after free_netdev() call. Using priv after free_netdev()
can cause UAF bug. Fix it by moving free_netdev() at the end of the
function.

Affected configurations

Vulners

Node

linuxlinux_kernelRange3.10–4.4.277

linuxlinux_kernelRange4.5.0–4.9.277

linuxlinux_kernelRange4.10.0–4.14.241

linuxlinux_kernelRange4.15.0–4.19.199

linuxlinux_kernelRange4.20.0–5.4.135

linuxlinux_kernelRange5.5.0–5.10.53

linuxlinux_kernelRange5.11.0–5.13.5

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": [
      "drivers/net/ethernet/ti/tlan.c"
    ],
    "versions": [
      {
        "version": "1e0a8b13d355",
        "lessThan": "a18a8d9cfbb1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1e0a8b13d355",
        "lessThan": "c263ae8c7e4c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1e0a8b13d355",
        "lessThan": "0538b0ab7d2c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1e0a8b13d355",
        "lessThan": "a0a817b2d308",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1e0a8b13d355",
        "lessThan": "b7e5563f2a78",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1e0a8b13d355",
        "lessThan": "f2a062fcfe1d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1e0a8b13d355",
        "lessThan": "93efab0ef2a6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1e0a8b13d355",
        "lessThan": "0336f8ffece6",
        "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/ethernet/ti/tlan.c"
    ],
    "versions": [
      {
        "version": "3.10",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.10",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "4.4.277",
        "lessThanOrEqual": "4.4.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "4.9.277",
        "lessThanOrEqual": "4.9.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "4.14.241",
        "lessThanOrEqual": "4.14.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "4.19.199",
        "lessThanOrEqual": "4.19.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.4.135",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.10.53",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.13.5",
        "lessThanOrEqual": "5.13.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.14",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]