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wifi: iwlwifi: mvm: don't trust firmware n_channels

Type: advisorySource: Official CVE List1 source record

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: don't trust firmware n_channels If the firmware sends us a corrupted MCC response with n_channels much larger than the command response can be, we might copy far too much (uninitialized) memory and even crash if the n_channels is large enough to make it run out of the one page allocated for the FW response. Fix that by checking the lengths. Doing a < comparison would be sufficient, but the firmware should be doing it correctly, so check more strictly.

Announced Group revision 1
Original source ↗

CVE-2023-53589

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2023-53589

Linux

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Linux

Source reference: /containers/cna/affected/1/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "dcaf9f5ecb6f395152609bdc40660d9b593dca63",
        "lessThan": "e519a404a5bbba37693cb10fa61794a5fce4fd9b",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "dcaf9f5ecb6f395152609bdc40660d9b593dca63",
        "lessThan": "d0d39bed9e95f27a246be91c5929254ac043ed30",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "dcaf9f5ecb6f395152609bdc40660d9b593dca63",
        "lessThan": "05ad5a4d421ce65652fcb24d46b7e273130240d6",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "dcaf9f5ecb6f395152609bdc40660d9b593dca63",
        "lessThan": "557ba100d8cf3661ff8d71c0b4a2cba8db555ec2",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "dcaf9f5ecb6f395152609bdc40660d9b593dca63",
        "lessThan": "c176f03350954b795322de0bfe1d7b514db41f45",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "dcaf9f5ecb6f395152609bdc40660d9b593dca63",
        "lessThan": "682b6dc29d98e857e6ca4bbc077c7dc2899b7473",
        "versionType": "git"
      }
    ],
    "programFiles": [
      "drivers/net/wireless/intel/iwlwifi/mvm/nvm.c"
    ],
    "defaultStatus": "unaffected"
  },
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "4.1"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "4.1",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "5.4.244",
        "versionType": "semver",
        "lessThanOrEqual": "5.4.*"
      },
      {
        "status": "unaffected",
        "version": "5.10.181",
        "versionType": "semver",
        "lessThanOrEqual": "5.10.*"
      },
      {
        "status": "unaffected",
        "version": "5.15.113",
        "versionType": "semver",
        "lessThanOrEqual": "5.15.*"
      },
      {
        "status": "unaffected",
        "version": "6.1.30",
        "versionType": "semver",
        "lessThanOrEqual": "6.1.*"
      },
      {
        "status": "unaffected",
        "version": "6.3.4",
        "versionType": "semver",
        "lessThanOrEqual": "6.3.*"
      },
      {
        "status": "unaffected",
        "version": "6.4",
        "versionType": "original_commit_for_fix",
        "lessThanOrEqual": "*"
      }
    ],
    "programFiles": [
      "drivers/net/wireless/intel/iwlwifi/mvm/nvm.c"
    ],
    "defaultStatus": "affected"
  }
]
Related CVEs
CVE-2023-53589

Source reference: /cveMetadata/cveId

Publisher severity

high

Source reference: /containers/cna/metrics

Event
#30288 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement