{"id":"CVE-2023-54197","state":"PUBLISHED","title":"Revert \"Bluetooth: btsdio: fix use after free bug in btsdio_remove due to unfinished work\"","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nRevert \"Bluetooth: btsdio: fix use after free bug in btsdio_remove due to unfinished work\"\n\nThis reverts commit 1e9ac114c4428fdb7ff4635b45d4f46017e8916f.\n\nThis patch introduces a possible null-ptr-def problem. Revert it. And the\nfixed bug by this patch have resolved by commit 73f7b171b7c0 (\"Bluetooth:\nbtsdio: fix use after free bug in btsdio_remove due to race condition\").","publishedAt":"2025-12-30T12:09:03.472Z","updatedAt":"2026-05-23T15:34:08.958Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"95eacef5692545f199fae4e52abfbfa273acb351","status":"affected","lessThan":"3b4ed52009723f7dfca7a8ca95163bfb441bfb76","versionType":"git"},{"version":"af4d48754d5517d33bac5e504ff1f1de0808e29e","status":"affected","lessThan":"70a104588e3131415e559c06deb834ce259a285a","versionType":"git"},{"version":"a18fb433ceb56e0787546a9d77056dd0f215e762","status":"affected","lessThan":"de0ffb5145c9f418ad76f00e58d4b91c680410b2","versionType":"git"},{"version":"da3d3fdfb4d523c5da30e35a8dd90e04f0fd8962","status":"affected","lessThan":"0837d10f6c37a47a0c73bccf1e39513613a2fcc2","versionType":"git"},{"version":"8efae2112d910d8e5166dd0a836791b08721eef1","status":"affected","lessThan":"a789192f366147a0fbb395650079906d1d04e0b9","versionType":"git"},{"version":"cbf8deacb7053ce3e3fed64b277c6c6989e65bba","status":"affected","lessThan":"952030c914b5f2288609efe868537afcff7a3f51","versionType":"git"},{"version":"c59c65a14e8f7d738429648833f3bb3f9df0513f","status":"affected","lessThan":"8f83fa62614c282dd5d1211a0dd99c6a0a515b81","versionType":"git"},{"version":"1e9ac114c4428fdb7ff4635b45d4f46017e8916f","status":"affected","lessThan":"d8d7ce037d9a8f1f0714ece268c4c2c50845bbc3","versionType":"git"},{"version":"1e9ac114c4428fdb7ff4635b45d4f46017e8916f","status":"affected","lessThan":"db2bf510bd5d57f064d9e1db395ed86a08320c54","versionType":"git"},{"version":"4.14.312","status":"affected","lessThan":"4.14.315","versionType":"semver"},{"version":"4.19.280","status":"affected","lessThan":"4.19.283","versionType":"semver"},{"version":"5.4.240","status":"affected","lessThan":"5.4.243","versionType":"semver"},{"version":"5.10.177","status":"affected","lessThan":"5.10.180","versionType":"semver"},{"version":"5.15.105","status":"affected","lessThan":"5.15.111","versionType":"semver"},{"version":"6.1.22","status":"affected","lessThan":"6.1.28","versionType":"semver"},{"version":"6.2.9","status":"affected","lessThan":"6.2.15","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/bluetooth/btsdio.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.3","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.3","versionType":"semver"},{"version":"4.14.315","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.283","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.243","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.180","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.111","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.28","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2.15","status":"unaffected","lessThanOrEqual":"6.2.*","versionType":"semver"},{"version":"6.3.2","status":"unaffected","lessThanOrEqual":"6.3.*","versionType":"semver"},{"version":"6.4","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/bluetooth/btsdio.c"]}],"references":["https://git.kernel.org/stable/c/3b4ed52009723f7dfca7a8ca95163bfb441bfb76","https://git.kernel.org/stable/c/70a104588e3131415e559c06deb834ce259a285a","https://git.kernel.org/stable/c/de0ffb5145c9f418ad76f00e58d4b91c680410b2","https://git.kernel.org/stable/c/0837d10f6c37a47a0c73bccf1e39513613a2fcc2","https://git.kernel.org/stable/c/a789192f366147a0fbb395650079906d1d04e0b9","https://git.kernel.org/stable/c/952030c914b5f2288609efe868537afcff7a3f51","https://git.kernel.org/stable/c/8f83fa62614c282dd5d1211a0dd99c6a0a515b81","https://git.kernel.org/stable/c/d8d7ce037d9a8f1f0714ece268c4c2c50845bbc3","https://git.kernel.org/stable/c/db2bf510bd5d57f064d9e1db395ed86a08320c54"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:42.242Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/54xxx/CVE-2023-54197.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-54197","state":"PUBLISHED","datePublished":"2025-12-30T12:09:03.472Z","dateUpdated":"2026-05-23T15:34:08.958Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-12-30T12:06:44.498Z"},"containers":{"cna":{"title":"Revert 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