CVE-2024-26666 wifi: mac80211: fix RCU use in TDLS fast-xmit

2024-04-0206:22:14

Linux

github.com

linux kernel

mac80211

rcu protection

AI Score

6.7

Confidence

Low

SSVC

Exploitation

none

Automatable

Technical Impact

partial

JSON

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

wifi: mac80211: fix RCU use in TDLS fast-xmit

This looks up the link under RCU protection, but isn’t
guaranteed to actually have protection. Fix that.

CNA Affected

[
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "8cc07265b691",
        "lessThan": "fc3432ae8232",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "8cc07265b691",
        "lessThan": "c255c3b653c6",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "8cc07265b691",
        "lessThan": "9480adfe4e0f",
        "versionType": "git"
      }
    ],
    "programFiles": [
      "net/mac80211/tx.c"
    ],
    "defaultStatus": "unaffected"
  },
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "6.5"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "6.5",
        "versionType": "custom"
      },
      {
        "status": "unaffected",
        "version": "6.6.17",
        "versionType": "custom",
        "lessThanOrEqual": "6.6.*"
      },
      {
        "status": "unaffected",
        "version": "6.7.5",
        "versionType": "custom",
        "lessThanOrEqual": "6.7.*"
      },
      {
        "status": "unaffected",
        "version": "6.8",
        "versionType": "original_commit_for_fix",
        "lessThanOrEqual": "*"
      }
    ],
    "programFiles": [
      "net/mac80211/tx.c"
    ],
    "defaultStatus": "affected"
  }
]