{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-22T11:58:24.791","vulnerabilities":[{"cve":{"id":"CVE-2022-49838","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2025-05-01T15:16:07.290","lastModified":"2025-11-10T21:13:37.233","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nsctp: clear out_curr if all frag chunks of current msg are pruned\n\nA crash was reported by Zhen Chen:\n\n  list_del corruption, ffffa035ddf01c18->next is NULL\n  WARNING: CPU: 1 PID: 250682 at lib/list_debug.c:49 __list_del_entry_valid+0x59/0xe0\n  RIP: 0010:__list_del_entry_valid+0x59/0xe0\n  Call Trace:\n   sctp_sched_dequeue_common+0x17/0x70 [sctp]\n   sctp_sched_fcfs_dequeue+0x37/0x50 [sctp]\n   sctp_outq_flush_data+0x85/0x360 [sctp]\n   sctp_outq_uncork+0x77/0xa0 [sctp]\n   sctp_cmd_interpreter.constprop.0+0x164/0x1450 [sctp]\n   sctp_side_effects+0x37/0xe0 [sctp]\n   sctp_do_sm+0xd0/0x230 [sctp]\n   sctp_primitive_SEND+0x2f/0x40 [sctp]\n   sctp_sendmsg_to_asoc+0x3fa/0x5c0 [sctp]\n   sctp_sendmsg+0x3d5/0x440 [sctp]\n   sock_sendmsg+0x5b/0x70\n\nand in sctp_sched_fcfs_dequeue() it dequeued a chunk from stream\nout_curr outq while this outq was empty.\n\nNormally stream->out_curr must be set to NULL once all frag chunks of\ncurrent msg are dequeued, as we can see in sctp_sched_dequeue_done().\nHowever, in sctp_prsctp_prune_unsent() as it is not a proper dequeue,\nsctp_sched_dequeue_done() is not called to do this.\n\nThis patch is to fix it by simply setting out_curr to NULL when the\nlast frag chunk of current msg is dequeued from out_curr stream in\nsctp_prsctp_prune_unsent()."},{"lang":"es","value":"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: sctp: borrar out_curr si se eliminan todos los fragmentos del mensaje actual. Zhen Chen informó de un fallo: corrupción de list_del, ffffa035ddf01c18->next es NULL ADVERTENCIA: CPU: 1 PID: 250682 en lib/list_debug.c:49 __list_del_entry_valid+0x59/0xe0 RIP: 0010:__list_del_entry_valid+0x59/0xe0 Rastreo de llamadas: sctp_sched_dequeue_common+0x17/0x70 [sctp] sctp_sched_fcfs_dequeue+0x37/0x50 [sctp] sctp_outq_flush_data+0x85/0x360 [sctp] sctp_outq_uncork+0x77/0xa0 [sctp] sctp_cmd_interpreter.constprop.0+0x164/0x1450 [sctp] sctp_side_effects+0x37/0xe0 [sctp] sctp_do_sm+0xd0/0x230 [sctp] sctp_primitive_SEND+0x2f/0x40 [sctp] sctp_sendmsg_to_asoc+0x3fa/0x5c0 [sctp] sctp_sendmsg+0x3d5/0x440 [sctp] sock_sendmsg+0x5b/0x70 y en sctp_sched_fcfs_dequeue() quitó de la cola un fragmento del flujo out_curr outq mientras este outq estaba vacío. Normalmente, stream->out_curr debe establecerse en NULL una vez que se hayan desencolado todos los fragmentos del mensaje actual, como se puede ver en sctp_sched_dequeue_done(). Sin embargo, en sctp_prsctp_prune_unsent(), dado que no es una desencola adecuada, no se llama a sctp_sched_dequeue_done() para realizar esto. Este parche soluciona este problema simplemente estableciendo out_curr en NULL cuando se desencola el último fragmento del mensaje actual del flujo out_curr en sctp_prsctp_prune_unsent()."}],"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":"NVD-CWE-noinfo"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"5.10.156","matchCriteriaId":"FD21D167-0ED1-4E15-9045-D5398B716044"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"5.15.81","matchCriteriaId":"899FBA32-27B2-4660-BC94-C43ED4349EB5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.0.10","matchCriteriaId":"64F9ADD1-3ADB-4D66-A00F-4A83010B05F0"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.1:rc1:*:*:*:*:*:*","matchCriteriaId":"E7E331DA-1FB0-4DEC-91AC-7DA69D461C11"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.1:rc2:*:*:*:*:*:*","matchCriteriaId":"17F0B248-42CF-4AE6-A469-BB1BAE7F4705"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.1:rc3:*:*:*:*:*:*","matchCriteriaId":"E2422816-0C14-4B5E-A1E6-A9D776E5C49B"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.1:rc4:*:*:*:*:*:*","matchCriteriaId":"1C6E00FE-5FB9-4D20-A1A1-5A32128F9B76"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/2ea600b598dd3e061854dd4dd5b4c815397dfcea","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/2f201ae14ae0f91dbf1cffea7bb1e29e81d4d108","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/3eff34e01062ec08fbb45ce2baaaa644550be821","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/e27458b18b35caee4b27b37a4a9c503b93cae5cc","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]}]}}]}