{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-50077","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-10-21T19:36:19.940Z","datePublished":"2024-10-29T00:50:19.412Z","dateUpdated":"2025-11-03T22:25:11.372Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T09:45:24.722Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: ISO: Fix multiple init when debugfs is disabled\n\nIf bt_debugfs is not created successfully, which happens if either\nCONFIG_DEBUG_FS or CONFIG_DEBUG_FS_ALLOW_ALL is unset, then iso_init()\nreturns early and does not set iso_inited to true. This means that a\nsubsequent call to iso_init() will result in duplicate calls to\nproto_register(), bt_sock_register(), etc.\n\nWith CONFIG_LIST_HARDENED and CONFIG_BUG_ON_DATA_CORRUPTION enabled, the\nduplicate call to proto_register() triggers this BUG():\n\n  list_add double add: new=ffffffffc0b280d0, prev=ffffffffbab56250,\n    next=ffffffffc0b280d0.\n  ------------[ cut here ]------------\n  kernel BUG at lib/list_debug.c:35!\n  Oops: invalid opcode: 0000 [#1] PREEMPT SMP PTI\n  CPU: 2 PID: 887 Comm: bluetoothd Not tainted 6.10.11-1-ao-desktop #1\n  RIP: 0010:__list_add_valid_or_report+0x9a/0xa0\n  ...\n    __list_add_valid_or_report+0x9a/0xa0\n    proto_register+0x2b5/0x340\n    iso_init+0x23/0x150 [bluetooth]\n    set_iso_socket_func+0x68/0x1b0 [bluetooth]\n    kmem_cache_free+0x308/0x330\n    hci_sock_sendmsg+0x990/0x9e0 [bluetooth]\n    __sock_sendmsg+0x7b/0x80\n    sock_write_iter+0x9a/0x110\n    do_iter_readv_writev+0x11d/0x220\n    vfs_writev+0x180/0x3e0\n    do_writev+0xca/0x100\n  ...\n\nThis change removes the early return. The check for iso_debugfs being\nNULL was unnecessary, it is always NULL when iso_inited is false."}],"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":"ccf74f2390d60a2f9a75ef496d2564abb478f46a","lessThan":"fa4b832c5a6ec35023a1b997cf658c436619c752","status":"affected","versionType":"git"},{"version":"ccf74f2390d60a2f9a75ef496d2564abb478f46a","lessThan":"8fb8e912afb4c47dec12ea9a5853e7a8db95816f","status":"affected","versionType":"git"},{"version":"ccf74f2390d60a2f9a75ef496d2564abb478f46a","lessThan":"adf1b179c2ff8073c24bf87e5a605fcc5a09798b","status":"affected","versionType":"git"},{"version":"ccf74f2390d60a2f9a75ef496d2564abb478f46a","lessThan":"a9b7b535ba192c6b77e6c15a4c82d853163eab8c","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/iso.c"],"versions":[{"version":"6.0","status":"affected"},{"version":"0","lessThan":"6.0","status":"unaffected","versionType":"semver"},{"version":"6.1.114","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.58","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.11.5","lessThanOrEqual":"6.11.*","status":"unaffected","versionType":"semver"},{"version":"6.12","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":"6.0","versionEndExcluding":"6.1.114"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"6.6.58"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"6.11.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"6.12"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/fa4b832c5a6ec35023a1b997cf658c436619c752"},{"url":"https://git.kernel.org/stable/c/8fb8e912afb4c47dec12ea9a5853e7a8db95816f"},{"url":"https://git.kernel.org/stable/c/adf1b179c2ff8073c24bf87e5a605fcc5a09798b"},{"url":"https://git.kernel.org/stable/c/a9b7b535ba192c6b77e6c15a4c82d853163eab8c"}],"title":"Bluetooth: ISO: Fix multiple init when debugfs is disabled","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.5,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"id":"CVE-2024-50077","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2025-10-01T20:23:28.558687Z"}}}],"problemTypes":[{"descriptions":[{"lang":"en","type":"CWE","description":"CWE-noinfo Not enough information"}]}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-10-01T20:27:21.086Z"}},{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2025-11-03T22:25:11.372Z"}}]}}