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net: rfkill: prevent unlimited numbers of rfkill events from being created

Type: advisorySource: Official CVE List1 source record

In the Linux kernel, the following vulnerability has been resolved: net: rfkill: prevent unlimited numbers of rfkill events from being created Userspace can create an unlimited number of rfkill events if the system is so configured, while not consuming them from the rfkill file descriptor, causing a potential out of memory situation. Prevent this from bounding the number of pending rfkill events at a "large" number (i.e. 1000) to prevent abuses like this.

Announced Source revision 1
Original source ↗

CVE-2026-31670

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-2026-31670

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": "c64fb01627e24725d1f9d535e4426475a4415753",
        "lessThan": "4bcd1615a4e2a185ae9edd27b4143d7dfa7134f4",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "c64fb01627e24725d1f9d535e4426475a4415753",
        "lessThan": "b1e0c8d3ab58a0161db487bf5fc47adfcaf5d5ca",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "c64fb01627e24725d1f9d535e4426475a4415753",
        "lessThan": "e3842779547c83150569071d9980517cc9029fc0",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "c64fb01627e24725d1f9d535e4426475a4415753",
        "lessThan": "673d2a3eef6e0ee9736501a150c9e4024a4e60a6",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "c64fb01627e24725d1f9d535e4426475a4415753",
        "lessThan": "82843afc19012a29ba863961ef494165aa1a88f4",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "c64fb01627e24725d1f9d535e4426475a4415753",
        "lessThan": "a8c26800e0220e1550af012f5a20e50f5c78864d",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "c64fb01627e24725d1f9d535e4426475a4415753",
        "lessThan": "80ce4cb026f0a4c4532b6cad827b44debda6256a",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "c64fb01627e24725d1f9d535e4426475a4415753",
        "lessThan": "ea245d78dec594372e27d8c79616baf49e98a4a1",
        "versionType": "git"
      }
    ],
    "programFiles": [
      "net/rfkill/core.c"
    ],
    "defaultStatus": "unaffected"
  },
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "2.6.31"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "2.6.31",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "5.10.253",
        "versionType": "semver",
        "lessThanOrEqual": "5.10.*"
      },
      {
        "status": "unaffected",
        "version": "5.15.203",
        "versionType": "semver",
        "lessThanOrEqual": "5.15.*"
      },
      {
        "status": "unaffected",
        "version": "6.1.169",
        "versionType": "semver",
        "lessThanOrEqual": "6.1.*"
      },
      {
        "status": "unaffected",
        "version": "6.6.135",
        "versionType": "semver",
        "lessThanOrEqual": "6.6.*"
      },
      {
        "status": "unaffected",
        "version": "6.12.82",
        "versionType": "semver",
        "lessThanOrEqual": "6.12.*"
      },
      {
        "status": "unaffected",
        "version": "6.18.23",
        "versionType": "semver",
        "lessThanOrEqual": "6.18.*"
      },
      {
        "status": "unaffected",
        "version": "6.19.13",
        "versionType": "semver",
        "lessThanOrEqual": "6.19.*"
      },
      {
        "status": "unaffected",
        "version": "7.0",
        "versionType": "original_commit_for_fix",
        "lessThanOrEqual": "*"
      }
    ],
    "programFiles": [
      "net/rfkill/core.c"
    ],
    "defaultStatus": "affected"
  }
]
Related CVEs
CVE-2026-31670

Source reference: /cveMetadata/cveId

Publisher severity

No explicit severity was provided.

Event
#28310 · Revision 1
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Publisher date
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