{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-53251","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-06-09T07:44:35.394Z","datePublished":"2026-06-25T08:39:43.290Z","dateUpdated":"2026-06-25T08:39:43.290Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-06-25T08:39:43.290Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: ISO: Fix not releasing hdev reference on iso_conn_big_sync\n\nhci_get_route() returns a reference-counted hci_dev pointer via\nhci_dev_hold(). The function exits normally or with an error without ever\nreleasing it."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/bluetooth/iso.c"],"versions":[{"version":"1360e5b6ce63d63d23223a659ca2bbafa30a53aa","lessThan":"4bbec25f47b930101294fd310c627c3f53e9661f","status":"affected","versionType":"git"},{"version":"07a9342b94a91b306ed1cf6aa8254aea210764c9","lessThan":"33d677d2e3713d98012c3dbd4a9207f7d785b854","status":"affected","versionType":"git"},{"version":"07a9342b94a91b306ed1cf6aa8254aea210764c9","lessThan":"23e8eb16820b866528fb300dc67fe3f67f00ef62","status":"affected","versionType":"git"},{"version":"07a9342b94a91b306ed1cf6aa8254aea210764c9","lessThan":"5cbf290b79351971f20c7a533247e8d58a3f970c","status":"affected","versionType":"git"},{"version":"bfec1e55314896bf4a4cfdb3a9ad4872be9f06ed","status":"affected","versionType":"git"},{"version":"6.12.2","lessThan":"6.12.94","status":"affected","versionType":"semver"},{"version":"6.11.11","lessThan":"6.12","status":"affected","versionType":"semver"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/bluetooth/iso.c"],"versions":[{"version":"6.13","status":"affected"},{"version":"0","lessThan":"6.13","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":"6.12.2","versionEndExcluding":"6.12.94"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"6.18.36"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"7.0.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"7.1"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11.11"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/4bbec25f47b930101294fd310c627c3f53e9661f"},{"url":"https://git.kernel.org/stable/c/33d677d2e3713d98012c3dbd4a9207f7d785b854"},{"url":"https://git.kernel.org/stable/c/23e8eb16820b866528fb300dc67fe3f67f00ef62"},{"url":"https://git.kernel.org/stable/c/5cbf290b79351971f20c7a533247e8d58a3f970c"}],"title":"Bluetooth: ISO: Fix not releasing hdev reference on iso_conn_big_sync","x_generator":{"engine":"bippy-1.2.0"}}}}