{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-40318","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-04-16T07:20:57.186Z","datePublished":"2025-12-08T00:46:45.382Z","dateUpdated":"2026-05-11T21:47:02.470Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T21:47:02.470Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: hci_sync: fix race in hci_cmd_sync_dequeue_once\n\nhci_cmd_sync_dequeue_once() does lookup and then cancel\nthe entry under two separate lock sections. Meanwhile,\nhci_cmd_sync_work() can also delete the same entry,\nleading to double list_del() and \"UAF\".\n\nFix this by holding cmd_sync_work_lock across both\nlookup and cancel, so that the entry cannot be removed\nconcurrently."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/bluetooth/hci_sync.c"],"versions":[{"version":"f00f36db76eb8fd10d13e80e2590f23b5beaa54d","lessThan":"0a94f7e017438935c09ef833a1aa908ad9875213","status":"affected","versionType":"git"},{"version":"1499f79995c7ee58e3bfeeff75f6d1b37dcda881","lessThan":"932c0a4f77ac13e526fdd5b42914d29c9821d389","status":"affected","versionType":"git"},{"version":"505ea2b295929e7be2b4e1bc86ee31cb7862fb01","lessThan":"ae76cf6c2c842944c6514c57df54d728f1916553","status":"affected","versionType":"git"},{"version":"505ea2b295929e7be2b4e1bc86ee31cb7862fb01","lessThan":"9cd536970192b72257afcdfba0bfc09993e6f19c","status":"affected","versionType":"git"},{"version":"505ea2b295929e7be2b4e1bc86ee31cb7862fb01","lessThan":"09b0cd1297b4dbfe736aeaa0ceeab2265f47f772","status":"affected","versionType":"git"},{"version":"357603f4d396d85fbf0045512efaf1d7f7394ed7","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/bluetooth/hci_sync.c"],"versions":[{"version":"6.9","status":"affected"},{"version":"0","lessThan":"6.9","status":"unaffected","versionType":"semver"},{"version":"6.1.159","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.117","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.58","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.17.8","lessThanOrEqual":"6.17.*","status":"unaffected","versionType":"semver"},{"version":"6.18","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":"6.1.120","versionEndExcluding":"6.1.159"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6.51","versionEndExcluding":"6.6.117"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.9","versionEndExcluding":"6.12.58"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.9","versionEndExcluding":"6.17.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.9","versionEndExcluding":"6.18"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.8.9"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/0a94f7e017438935c09ef833a1aa908ad9875213"},{"url":"https://git.kernel.org/stable/c/932c0a4f77ac13e526fdd5b42914d29c9821d389"},{"url":"https://git.kernel.org/stable/c/ae76cf6c2c842944c6514c57df54d728f1916553"},{"url":"https://git.kernel.org/stable/c/9cd536970192b72257afcdfba0bfc09993e6f19c"},{"url":"https://git.kernel.org/stable/c/09b0cd1297b4dbfe736aeaa0ceeab2265f47f772"}],"title":"Bluetooth: hci_sync: fix race in hci_cmd_sync_dequeue_once","x_generator":{"engine":"bippy-1.2.0"}}}}