{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-23T20:35:44.063","vulnerabilities":[{"cve":{"id":"CVE-2024-43862","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2024-08-21T00:15:04.773","lastModified":"2024-09-03T13:44:24.033","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: wan: fsl_qmc_hdlc: Convert carrier_lock spinlock to a mutex\n\nThe carrier_lock spinlock protects the carrier detection. While it is\nheld, framer_get_status() is called which in turn takes a mutex.\nThis is not correct and can lead to a deadlock.\n\nA run with PROVE_LOCKING enabled detected the issue:\n  [ BUG: Invalid wait context ]\n  ...\n  c204ddbc (&framer->mutex){+.+.}-{3:3}, at: framer_get_status+0x40/0x78\n  other info that might help us debug this:\n  context-{4:4}\n  2 locks held by ifconfig/146:\n  #0: c0926a38 (rtnl_mutex){+.+.}-{3:3}, at: devinet_ioctl+0x12c/0x664\n  #1: c2006a40 (&qmc_hdlc->carrier_lock){....}-{2:2}, at: qmc_hdlc_framer_set_carrier+0x30/0x98\n\nAvoid the spinlock usage and convert carrier_lock to a mutex."},{"lang":"es","value":"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: wan: fsl_qmc_hdlc: convierte el spinlock de Carrier_lock en un mutex El spinlock de Carrier_lock protege la detección del operador. Mientras se mantiene, se llama a framer_get_status(), que a su vez toma un mutex. Esto no es correcto y puede llevar a un punto muerto. Una ejecución con PROVE_LOCKING habilitado detectó el problema: [ERROR: Contexto de espera no válido] ... c204ddbc (&framer->mutex){+.+.}-{3:3}, en: framer_get_status+0x40/0x78 otra información que podría ayúdenos a depurar esto: contexto-{4:4} 2 bloqueos retenidos por ifconfig/146: #0: c0926a38 (rtnl_mutex){+.+.}-{3:3}, en: devinet_ioctl+0x12c/0x664 #1: c2006a40 (&qmc_hdlc->carrier_lock){....}-{2:2}, en: qmc_hdlc_framer_set_carrier+0x30/0x98 Evite el uso de spinlock y convierta carrier_lock en un mutex."}],"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:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6}]},"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":"6.9","versionEndExcluding":"6.10.4","matchCriteriaId":"0CB5CFBB-1C1A-4E39-8C2E-B31A756ECFD9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.11:rc1:*:*:*:*:*:*","matchCriteriaId":"8B3CE743-2126-47A3-8B7C-822B502CF119"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/c4d6a347ba7babdf9d90a0eb24048c266cae0532","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/f223d2b4acb7a45a6e0581cb380e1af1a6dc7ab9","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]}]}}]}