{"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":"2026-06-14T17:59:42.888Z"},"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"}}}}