{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-46168", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-13T15:03:33.102Z", "datePublished": "2026-05-28T09:36:23.394Z", "dateUpdated": "2026-10-15T01:21:00.385Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-06-14T17:59:42.888Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmptcp: fix scheduling with atomic in timestamp sockopt\n\nUsing lock_sock_fast() (atomic context) around sock_set_timestamp()\nand sock_set_timestamping() is unsafe, as both helpers can sleep.\n\nReplace lock_sock_fast() with sleepable lock_sock()/release_sock()\nto avoid scheduling while atomic panic." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "net/mptcp/sockopt.c" ], "versions": [ { "version": "9061f24bf82ec2e92dd1e7c10b98b680db023d31", "lessThan": "0949d8bbbedbafe0136a1723c41eb823c2f1e09d", "status": "affected", "versionType": "git" }, { "version": "9061f24bf82ec2e92dd1e7c10b98b680db023d31", "lessThan": "e792cfb6aeaf65612cdf8e3ac431d65e66283654", "status": "affected", "versionType": "git" }, { "version": "9061f24bf82ec2e92dd1e7c10b98b680db023d31", "lessThan": "ebeb70e29e37cfce899309cc2665a3bfe960ed94", "status": "affected", "versionType": "git" }, { "version": "9061f24bf82ec2e92dd1e7c10b98b680db023d31", "lessThan": "b157dab93a7af44a84e78cf0cb311dde475cff5b", "status": "affected", "versionType": "git" }, { "version": "9061f24bf82ec2e92dd1e7c10b98b680db023d31", "lessThan": "8a005fe451c73fd2b3d1faa5643c11e6bd07acfc", "status": "affected", "versionType": "git" }, { "version": "9061f24bf82ec2e92dd1e7c10b98b680db023d31", "lessThan": "7eb513b42721bee4b96da69f6188d5a7783f210d", "status": "affected", "versionType": "git" }, { "version": "9061f24bf82ec2e92dd1e7c10b98b680db023d31", "lessThan": "b5c52908d52c6c8eb8933264aa6087a0600fd892", "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/mptcp/sockopt.c" ], "versions": [ { "version": "5.14", "status": "affected" }, { "version": "0", "lessThan": "5.14", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.209", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.175", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.6.140", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.12.88", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.18.30", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver" }, { "version": "7.0.7", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver" }, { "version": "7.1", "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": "5.14", "versionEndExcluding": "5.15.209" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.1.175" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.6.140" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.12.88" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.18.30" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "7.0.7" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "7.1" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/0949d8bbbedbafe0136a1723c41eb823c2f1e09d" }, { "url": "https://git.kernel.org/stable/c/e792cfb6aeaf65612cdf8e3ac431d65e66283654" }, { "url": "https://git.kernel.org/stable/c/ebeb70e29e37cfce899309cc2665a3bfe960ed94" }, { "url": "https://git.kernel.org/stable/c/b157dab93a7af44a84e78cf0cb311dde475cff5b" }, { "url": "https://git.kernel.org/stable/c/8a005fe451c73fd2b3d1faa5643c11e6bd07acfc" }, { "url": "https://git.kernel.org/stable/c/7eb513b42721bee4b96da69f6188d5a7783f210d" }, { "url": "https://git.kernel.org/stable/c/b5c52908d52c6c8eb8933264aa6087a0600fd892" } ], "title": "mptcp: fix scheduling with atomic in timestamp sockopt", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "x_adpType": "supplier", "providerMetadata": { "orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "shortName": "siemens-SADP", "dateUpdated": "2026-10-15T01:21:00.385Z" }, "affected": [ { "vendor": "Siemens", "product": "SIMATIC S7-1500 TM MFP - GNU/Linux subsystem", "versions": [ { "status": "affected", "version": "0", "lessThan": "*", "versionType": "custom" } ], "defaultStatus": "unknown" } ], "references": [ { "url": "https://cert-portal.siemens.com/productcert/html/ssa-784472.html" } ] } ] } }