{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-31670","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-03-09T15:48:24.130Z","datePublished":"2026-04-24T14:45:17.958Z","dateUpdated":"2026-05-11T22:13:22.249Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T22:13:22.249Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: rfkill: prevent unlimited numbers of rfkill events from being created\n\nUserspace can create an unlimited number of rfkill events if the system\nis so configured, while not consuming them from the rfkill file\ndescriptor, causing a potential out of memory situation.  Prevent this\nfrom bounding the number of pending rfkill events at a \"large\" number\n(i.e. 1000) to prevent abuses like this."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/rfkill/core.c"],"versions":[{"version":"c64fb01627e24725d1f9d535e4426475a4415753","lessThan":"4bcd1615a4e2a185ae9edd27b4143d7dfa7134f4","status":"affected","versionType":"git"},{"version":"c64fb01627e24725d1f9d535e4426475a4415753","lessThan":"b1e0c8d3ab58a0161db487bf5fc47adfcaf5d5ca","status":"affected","versionType":"git"},{"version":"c64fb01627e24725d1f9d535e4426475a4415753","lessThan":"e3842779547c83150569071d9980517cc9029fc0","status":"affected","versionType":"git"},{"version":"c64fb01627e24725d1f9d535e4426475a4415753","lessThan":"673d2a3eef6e0ee9736501a150c9e4024a4e60a6","status":"affected","versionType":"git"},{"version":"c64fb01627e24725d1f9d535e4426475a4415753","lessThan":"82843afc19012a29ba863961ef494165aa1a88f4","status":"affected","versionType":"git"},{"version":"c64fb01627e24725d1f9d535e4426475a4415753","lessThan":"a8c26800e0220e1550af012f5a20e50f5c78864d","status":"affected","versionType":"git"},{"version":"c64fb01627e24725d1f9d535e4426475a4415753","lessThan":"80ce4cb026f0a4c4532b6cad827b44debda6256a","status":"affected","versionType":"git"},{"version":"c64fb01627e24725d1f9d535e4426475a4415753","lessThan":"ea245d78dec594372e27d8c79616baf49e98a4a1","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/rfkill/core.c"],"versions":[{"version":"2.6.31","status":"affected"},{"version":"0","lessThan":"2.6.31","status":"unaffected","versionType":"semver"},{"version":"5.10.253","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.203","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.169","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.135","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.82","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.23","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"6.19.13","lessThanOrEqual":"6.19.*","status":"unaffected","versionType":"semver"},{"version":"7.0","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.31","versionEndExcluding":"5.10.253"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.31","versionEndExcluding":"5.15.203"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.31","versionEndExcluding":"6.1.169"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.31","versionEndExcluding":"6.6.135"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.31","versionEndExcluding":"6.12.82"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.31","versionEndExcluding":"6.18.23"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.31","versionEndExcluding":"6.19.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.31","versionEndExcluding":"7.0"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/4bcd1615a4e2a185ae9edd27b4143d7dfa7134f4"},{"url":"https://git.kernel.org/stable/c/b1e0c8d3ab58a0161db487bf5fc47adfcaf5d5ca"},{"url":"https://git.kernel.org/stable/c/e3842779547c83150569071d9980517cc9029fc0"},{"url":"https://git.kernel.org/stable/c/673d2a3eef6e0ee9736501a150c9e4024a4e60a6"},{"url":"https://git.kernel.org/stable/c/82843afc19012a29ba863961ef494165aa1a88f4"},{"url":"https://git.kernel.org/stable/c/a8c26800e0220e1550af012f5a20e50f5c78864d"},{"url":"https://git.kernel.org/stable/c/80ce4cb026f0a4c4532b6cad827b44debda6256a"},{"url":"https://git.kernel.org/stable/c/ea245d78dec594372e27d8c79616baf49e98a4a1"}],"title":"net: rfkill: prevent unlimited numbers of rfkill events from being created","x_generator":{"engine":"bippy-1.2.0"}}}}