{"cve":"CVE-2024-57841","nvd":{"published":"2025-01-15T13:15:12.130","modified":"2026-06-17T08:14:05.833","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: fix memory leak in tcp_conn_request()\n\nIf inet_csk_reqsk_queue_hash_add() return false, tcp_conn_request() will\nreturn without free the dst memory, which allocated in af_ops->route_req.\n\nHere is the kmemleak stack:\n\nunreferenced object 0xffff8881198631c0 (size 240):\n  comm \"softirq\", pid 0, jiffies 4299266571 (age 1802.392s)\n  hex dump (first 32 bytes):\n    00 10 9b 03 81 88 ff ff 80 98 da bc ff ff ff ff  ................\n    81 55 18 bb ff ff ff ff 00 00 00 00 00 00 00 00  .U..............\n  backtrace:\n    [<ffffffffb93e8d4c>] kmem_cache_alloc+0x60c/0xa80\n    [<ffffffffba11b4c5>] dst_alloc+0x55/0x250\n    [<ffffffffba227bf6>] rt_dst_alloc+0x46/0x1d0\n    [<ffffffffba23050a>] __mkroute_output+0x29a/0xa50\n    [<ffffffffba23456b>] ip_route_output_key_hash+0x10b/0x240\n    [<ffffffffba2346bd>] ip_route_output_flow+0x1d/0x90\n    [<ffffffffba254855>] inet_csk_route_req+0x2c5/0x500\n    [<ffffffffba26b331>] tcp_conn_request+0x691/0x12c0\n    [<ffffffffba27bd08>] tcp_rcv_state_process+0x3c8/0x11b0\n    [<ffffffffba2965c6>] tcp_v4_do_rcv+0x156/0x3b0\n    [<ffffffffba299c98>] tcp_v4_rcv+0x1cf8/0x1d80\n    [<ffffffffba239656>] ip_protocol_deliver_rcu+0xf6/0x360\n    [<ffffffffba2399a6>] ip_local_deliver_finish+0xe6/0x1e0\n    [<ffffffffba239b8e>] ip_local_deliver+0xee/0x360\n    [<ffffffffba239ead>] ip_rcv+0xad/0x2f0\n    [<ffffffffba110943>] __netif_receive_skb_one_core+0x123/0x140\n\nCall dst_release() to free the dst memory when\ninet_csk_reqsk_queue_hash_add() return false in tcp_conn_request().","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-401"],"references":["https://git.kernel.org/stable/c/2af69905180b3fea12f9c1db374b153a06977021","https://git.kernel.org/stable/c/4f4aa4aa28142d53f8b06585c478476cfe325cfc","https://git.kernel.org/stable/c/9d38959677291552d1b0ed2689a540af279b5bf8","https://git.kernel.org/stable/c/b0b190218c78d8aeecfba36ea3a90063b3ede52d","https://git.kernel.org/stable/c/de3f999bf8aee16e9da1c1224191abdc69e97c9d"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:58:20.756570362+00:00"},"epss":{"cve":"CVE-2024-57841","score":0.00222,"percentile":0.12852,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}