{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-22T09:17:10.714","vulnerabilities":[{"cve":{"id":"CVE-2024-41006","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2024-07-12T13:15:21.370","lastModified":"2025-11-03T22:17:22.560","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetrom: Fix a memory leak in nr_heartbeat_expiry()\n\nsyzbot reported a memory leak in nr_create() [0].\n\nCommit 409db27e3a2e (\"netrom: Fix use-after-free of a listening socket.\")\nadded sock_hold() to the nr_heartbeat_expiry() function, where\na) a socket has a SOCK_DESTROY flag or\nb) a listening socket has a SOCK_DEAD flag.\n\nBut in the case \"a,\" when the SOCK_DESTROY flag is set, the file descriptor\nhas already been closed and the nr_release() function has been called.\nSo it makes no sense to hold the reference count because no one will\ncall another nr_destroy_socket() and put it as in the case \"b.\"\n\nnr_connect\n  nr_establish_data_link\n    nr_start_heartbeat\n\nnr_release\n  switch (nr->state)\n  case NR_STATE_3\n    nr->state = NR_STATE_2\n    sock_set_flag(sk, SOCK_DESTROY);\n\n                        nr_rx_frame\n                          nr_process_rx_frame\n                            switch (nr->state)\n                            case NR_STATE_2\n                              nr_state2_machine()\n                                nr_disconnect()\n                                  nr_sk(sk)->state = NR_STATE_0\n                                  sock_set_flag(sk, SOCK_DEAD)\n\n                        nr_heartbeat_expiry\n                          switch (nr->state)\n                          case NR_STATE_0\n                            if (sock_flag(sk, SOCK_DESTROY) ||\n                               (sk->sk_state == TCP_LISTEN\n                                 && sock_flag(sk, SOCK_DEAD)))\n                               sock_hold()  // ( !!! )\n                               nr_destroy_socket()\n\nTo fix the memory leak, let's call sock_hold() only for a listening socket.\n\nFound by InfoTeCS on behalf of Linux Verification Center\n(linuxtesting.org) with Syzkaller.\n\n[0]: https://syzkaller.appspot.com/bug?extid=d327a1f3b12e1e206c16"},{"lang":"es","value":"En el kernel de Linux, se resolvió la siguiente vulnerabilidad: netrom: corrige una pérdida de memoria en nr_heartbeat_expiry() syzbot informó una pérdida de memoria en nr_create() [0]. El commit 409db27e3a2e (\"netrom: Reparar el use-after-free de un socket de escucha\") agregó sock_hold() a la función nr_heartbeat_expiry(), donde a) un socket tiene un indicador SOCK_DESTROY ob) un socket de escucha tiene un indicador SOCK_DEAD. Pero en el caso \"a\", cuando se establece el indicador SOCK_DESTROY, el descriptor de archivo ya se ha cerrado y se ha llamado a la función nr_release(). Por lo tanto, no tiene sentido mantener el recuento de referencias porque nadie llamará a otro nr_destroy_socket() y lo pondrá como en el caso \"b\". nr_connect nr_establecer_data_link nr_start_heartbeat nr_release interruptor (nr->estado) caso NR_STATE_3 nr->estado = NR_STATE_2 sock_set_flag(sk, SOCK_DESTROY); nr_rx_frame nr_process_rx_frame interruptor (nr->estado) caso NR_STATE_2 nr_state2_machine() nr_disconnect() nr_sk(sk)->estado = NR_STATE_0 sock_set_flag(sk, SOCK_DEAD) nr_heartbeat_expiry interruptor (nr->estado) caso NR_STATE_0 if (sock_flag(sk, OCK_DESTROY) || (sk->sk_state == TCP_LISTEN && sock_flag(sk, SOCK_DEAD))) sock_hold() // ( !!! ) nr_destroy_socket() Para solucionar la pérdida de memoria, llamemos a sock_hold() solo para un socket de escucha. Encontrado por InfoTeCS en nombre del Centro de verificación de Linux (linuxtesting.org) con Syzkaller. [0]: https://syzkaller.appspot.com/bug?extid=d327a1f3b12e1e206c16"}],"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-401"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19.272","versionEndExcluding":"4.19.317","matchCriteriaId":"0799BB5F-A0F0-4290-872D-24364C18F638"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4.231","versionEndExcluding":"5.4.279","matchCriteriaId":"4821FCF8-B57B-4F3C-B3FC-5CFAEA2C6BC5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10.166","versionEndExcluding":"5.10.221","matchCriteriaId":"E81DAF77-0E91-457C-AC9D-117B2D0BF7CB"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15.91","versionEndExcluding":"5.15.162","matchCriteriaId":"2E0E5DA0-5043-4127-8316-B0E03B88EE6E"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1.9","versionEndExcluding":"6.1.96","matchCriteriaId":"012144F5-2368-4D39-ABE2-07E7568304BB"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"6.6.36","matchCriteriaId":"E1046C95-860A-45B0-B718-2B29F65BFF10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.9.7","matchCriteriaId":"0A047AF2-94AC-4A3A-B32D-6AB930D8EF1C"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.10:rc1:*:*:*:*:*:*","matchCriteriaId":"2EBB4392-5FA6-4DA9-9772-8F9C750109FA"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.10:rc2:*:*:*:*:*:*","matchCriteriaId":"331C2F14-12C7-45D5-893D-8C52EE38EA10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.10:rc3:*:*:*:*:*:*","matchCriteriaId":"3173713D-909A-4DD3-9DD4-1E171EB057EE"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.10:rc4:*:*:*:*:*:*","matchCriteriaId":"79F18AFA-40F7-43F0-BA30-7BDB65F918B9"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/0b9130247f3b6a1122478471ff0e014ea96bb735","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Mailing 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