{ "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": "2026-10-15T01:17:39.751Z" }, "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" } }, "adp": [ { "x_adpType": "supplier", "providerMetadata": { "orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "shortName": "siemens-SADP", "dateUpdated": "2026-10-15T01:17:39.751Z" }, "affected": [ { "vendor": "Siemens", "product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP", "versions": [ { "status": "affected", "version": "V3.1.6", "lessThan": "*", "versionType": "custom" } ], "defaultStatus": "unknown" }, { "vendor": "Siemens", "product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP", "versions": [ { "status": "affected", "version": "V3.1.5", "lessThan": "*", "versionType": "custom" } ], "defaultStatus": "unknown" }, { "vendor": "Siemens", "product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP", "versions": [ { "status": "affected", "version": "V3.1.7", "lessThan": "*", "versionType": "custom" } ], "defaultStatus": "unknown" }, { "vendor": "Siemens", "product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP", "versions": [ { "status": "affected", "version": "V3.1.6", "lessThan": "*", "versionType": "custom" } 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