{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-43022","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-05-01T14:12:55.975Z","datePublished":"2026-05-01T14:15:25.059Z","dateUpdated":"2026-05-11T22:16:11.641Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T22:16:11.641Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: hci_sync: hci_cmd_sync_queue_once() return -EEXIST if exists\n\nhci_cmd_sync_queue_once() needs to indicate whether a queue item was\nadded, so caller can know if callbacks are called, so it can avoid\nleaking resources.\n\nChange the function to return -EEXIST if queue item already exists.\n\nModify all callsites to handle that."}],"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":"505ea2b295929e7be2b4e1bc86ee31cb7862fb01","lessThan":"0ad2ce230b38cd4b3f6732cc609e270461e626e5","status":"affected","versionType":"git"},{"version":"505ea2b295929e7be2b4e1bc86ee31cb7862fb01","lessThan":"2969554bcfccb5c609f6b6cd4a014933f3a66dd0","status":"affected","versionType":"git"},{"version":"f00f36db76eb8fd10d13e80e2590f23b5beaa54d","status":"affected","versionType":"git"},{"version":"1499f79995c7ee58e3bfeeff75f6d1b37dcda881","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":"6.19.12","lessThanOrEqual":"6.19.*","status":"unaffected","versionType":"semver"},{"version":"7.0","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":"6.9","versionEndExcluding":"6.19.12"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.9","versionEndExcluding":"7.0"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1.120"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6.51"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.8.9"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/0ad2ce230b38cd4b3f6732cc609e270461e626e5"},{"url":"https://git.kernel.org/stable/c/2969554bcfccb5c609f6b6cd4a014933f3a66dd0"}],"title":"Bluetooth: hci_sync: hci_cmd_sync_queue_once() return -EEXIST if exists","x_generator":{"engine":"bippy-1.2.0"}}}}