{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-21T00:35:45.483","vulnerabilities":[{"cve":{"id":"CVE-2024-50044","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2024-10-21T20:15:17.313","lastModified":"2025-11-03T23:16:44.337","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: RFCOMM: FIX possible deadlock in rfcomm_sk_state_change\n\nrfcomm_sk_state_change attempts to use sock_lock so it must never be\ncalled with it locked but rfcomm_sock_ioctl always attempt to lock it\ncausing the following trace:\n\n======================================================\nWARNING: possible circular locking dependency detected\n6.8.0-syzkaller-08951-gfe46a7dd189e #0 Not tainted\n------------------------------------------------------\nsyz-executor386/5093 is trying to acquire lock:\nffff88807c396258 (sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1671 [inline]\nffff88807c396258 (sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM){+.+.}-{0:0}, at: rfcomm_sk_state_change+0x5b/0x310 net/bluetooth/rfcomm/sock.c:73\n\nbut task is already holding lock:\nffff88807badfd28 (&d->lock){+.+.}-{3:3}, at: __rfcomm_dlc_close+0x226/0x6a0 net/bluetooth/rfcomm/core.c:491"},{"lang":"es","value":"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: Bluetooth: RFCOMM: CORREGIR posible bloqueo en rfcomm_sk_state_change rfcomm_sk_state_change intenta usar sock_lock, por lo que nunca se debe llamar con él bloqueado, pero rfcomm_sock_ioctl siempre intenta bloquearlo, lo que provoca el siguiente rastro: ======================================================= ADVERTENCIA: se ha detectado una posible dependencia de bloqueo circular 6.8.0-syzkaller-08951-gfe46a7dd189e #0 No contaminado ------------------------------------------------------ syz-executor386/5093 está intentando adquirir el bloqueo: ffff88807c396258 (sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM){+.+.}-{0:0}, en: lock_sock include/net/sock.h:1671 [en línea] ffff88807c396258 (sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM){+.+.}-{0:0}, en: rfcomm_sk_state_change+0x5b/0x310 net/bluetooth/rfcomm/sock.c:73 pero la tarea ya tiene el bloqueo: ffff88807badfd28 (&d->lock){+.+.}-{3:3}, en: __rfcomm_dlc_close+0x226/0x6a0 net/bluetooth/rfcomm/core.c:491"}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","baseScore":3.3,"baseSeverity":"LOW","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"LOW"},"exploitabilityScore":1.8,"impactScore":1.4}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-667"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.27","versionEndExcluding":"5.10.227","matchCriteriaId":"F57D1442-15E5-4DEF-B815-CC318D489E35"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"5.15.168","matchCriteriaId":"4D51C05D-455B-4D8D-89E7-A58E140B864C"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.1.113","matchCriteriaId":"D01BD22E-ACD1-4618-9D01-6116570BE1EE"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"6.6.57","matchCriteriaId":"05D83DB8-7465-4F88-AFB2-980011992AC1"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.11.4","matchCriteriaId":"AA84D336-CE9A-4535-B901-1AD77EC17C34"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.12:rc1:*:*:*:*:*:*","matchCriteriaId":"7F361E1D-580F-4A2D-A509-7615F73167A1"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.12:rc2:*:*:*:*:*:*","matchCriteriaId":"925478D0-3E3D-4E6F-ACD5-09F28D5DF82C"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/08d1914293dae38350b8088980e59fbc699a72fe","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/38b2d5a57d125e1c17661b8308c0240c4a43b534","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/496b2ab0fd10f205e08909a125485fdc98843dbe","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/4cb9807c9b53bf1e5560420d26f319f528b50268","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/869c6ee62ab8f01bf2419e45326642be5c9b670a","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b77b3fb12fd483cae7c28648903b1d8a6b275f01","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ced98072d3511b232ae1d3347945f35f30c0e303","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/ef44274dae9b0a90d1a97ce8b242a3b8243a7745","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html","source":"af854a3a-2127-422b-91ae-364da2661108"}]}}]}