{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-28T05:12:48.788","vulnerabilities":[{"cve":{"id":"CVE-2025-40281","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2025-12-06T22:15:56.113","lastModified":"2026-04-15T00:35:42.020","vulnStatus":"Deferred","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nsctp: prevent possible shift-out-of-bounds in sctp_transport_update_rto\n\nsyzbot reported a possible shift-out-of-bounds [1]\n\nBlamed commit added rto_alpha_max and rto_beta_max set to 1000.\n\nIt is unclear if some sctp users are setting very large rto_alpha\nand/or rto_beta.\n\nIn order to prevent user regression, perform the test at run time.\n\nAlso add READ_ONCE() annotations as sysctl values can change under us.\n\n[1]\n\nUBSAN: shift-out-of-bounds in net/sctp/transport.c:509:41\nshift exponent 64 is too large for 32-bit type 'unsigned int'\nCPU: 0 UID: 0 PID: 16704 Comm: syz.2.2320 Not tainted syzkaller #0 PREEMPT(full)\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025\nCall Trace:\n <TASK>\n  __dump_stack lib/dump_stack.c:94 [inline]\n  dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:120\n  ubsan_epilogue lib/ubsan.c:233 [inline]\n  __ubsan_handle_shift_out_of_bounds+0x27f/0x420 lib/ubsan.c:494\n  sctp_transport_update_rto.cold+0x1c/0x34b net/sctp/transport.c:509\n  sctp_check_transmitted+0x11c4/0x1c30 net/sctp/outqueue.c:1502\n  sctp_outq_sack+0x4ef/0x1b20 net/sctp/outqueue.c:1338\n  sctp_cmd_process_sack net/sctp/sm_sideeffect.c:840 [inline]\n  sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1372 [inline]"}],"metrics":{},"references":[{"url":"https://git.kernel.org/stable/c/0e0413e3315199b23ff4aec295e256034cd0a6e4","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/1534ff77757e44bcc4b98d0196bc5c0052fce5fa","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/1cfa4eac275cc4875755c1303d48a4ddfe507ca8","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/834e65be429c0fa4f9bb5945064bd57f18ed2187","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/aaba523dd7b6106526c24b1fd9b5fc35e5aaa88d","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/abb086b9a95d0ed3b757ee59964ba3c4e4b2fc1a","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d0d858652834dcf531342c82a0428170aa7c2675","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ed71f801249d2350c77a73dca2c03918a15a62fe","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}]}}]}