{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-53146","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-06-09T07:44:35.387Z","datePublished":"2026-06-25T08:38:32.877Z","dateUpdated":"2026-06-28T06:39:30.867Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-06-28T06:39:30.867Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nthunderbolt: Limit XDomain response copy to actual frame size\n\ntb_xdomain_copy() copies req->response_size bytes from the received\npacket buffer regardless of the actual frame size.  When a short\nresponse arrives, this reads past the valid frame data in the DMA\npool buffer into stale contents from previous transactions.\n\nUse the minimum of frame size and expected response size for the\ncopy length."}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N","baseScore":7.1,"baseSeverity":"HIGH"}}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/thunderbolt/xdomain.c"],"versions":[{"version":"cdae7c07e3e3509eaabc18c1640a55dc5b99c179","lessThan":"c55da494dfb445fb28df3a9d293c2be6a299cd01","status":"affected","versionType":"git"},{"version":"cdae7c07e3e3509eaabc18c1640a55dc5b99c179","lessThan":"7720654b4842bcdfeb64bc002f6186041849e1e7","status":"affected","versionType":"git"},{"version":"cdae7c07e3e3509eaabc18c1640a55dc5b99c179","lessThan":"033dfa63bf6be2653441a1dccae4a8313a91bb9d","status":"affected","versionType":"git"},{"version":"cdae7c07e3e3509eaabc18c1640a55dc5b99c179","lessThan":"fc261397295b8ad0654cec747b0ec25ea0011995","status":"affected","versionType":"git"},{"version":"cdae7c07e3e3509eaabc18c1640a55dc5b99c179","lessThan":"a15b6d3136accb2bf84b04d9a3ddd991f7fbf1cb","status":"affected","versionType":"git"},{"version":"cdae7c07e3e3509eaabc18c1640a55dc5b99c179","lessThan":"b5daa920f44cb582272fc9bfaeb67408776cbaef","status":"affected","versionType":"git"},{"version":"cdae7c07e3e3509eaabc18c1640a55dc5b99c179","lessThan":"b2c1e5d9f1598cc1a4736d5c6bd1218f90805ee4","status":"affected","versionType":"git"},{"version":"cdae7c07e3e3509eaabc18c1640a55dc5b99c179","lessThan":"4db2bd2ed4785dbadaeeab9f4e346b21ac5fb8eb","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/thunderbolt/xdomain.c"],"versions":[{"version":"4.15","status":"affected"},{"version":"0","lessThan":"4.15","status":"unaffected","versionType":"semver"},{"version":"5.10.259","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.210","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.176","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.143","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.94","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.36","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.0.13","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":"4.15","versionEndExcluding":"5.10.259"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"5.15.210"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"6.1.176"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"6.6.143"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"6.12.94"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"6.18.36"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"7.0.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"7.1"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/c55da494dfb445fb28df3a9d293c2be6a299cd01"},{"url":"https://git.kernel.org/stable/c/7720654b4842bcdfeb64bc002f6186041849e1e7"},{"url":"https://git.kernel.org/stable/c/033dfa63bf6be2653441a1dccae4a8313a91bb9d"},{"url":"https://git.kernel.org/stable/c/fc261397295b8ad0654cec747b0ec25ea0011995"},{"url":"https://git.kernel.org/stable/c/a15b6d3136accb2bf84b04d9a3ddd991f7fbf1cb"},{"url":"https://git.kernel.org/stable/c/b5daa920f44cb582272fc9bfaeb67408776cbaef"},{"url":"https://git.kernel.org/stable/c/b2c1e5d9f1598cc1a4736d5c6bd1218f90805ee4"},{"url":"https://git.kernel.org/stable/c/4db2bd2ed4785dbadaeeab9f4e346b21ac5fb8eb"}],"title":"thunderbolt: Limit XDomain response copy to actual frame size","x_generator":{"engine":"bippy-1.2.0"}}}}