{"id":"CVE-2025-37867","summary":"RDMA/core: Silence oversized kvmalloc() warning","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/core: Silence oversized kvmalloc() warning\n\nsyzkaller triggered an oversized kvmalloc() warning.\nSilence it by adding __GFP_NOWARN.\n\nsyzkaller log:\n WARNING: CPU: 7 PID: 518 at mm/util.c:665 __kvmalloc_node_noprof+0x175/0x180\n CPU: 7 UID: 0 PID: 518 Comm: c_repro Not tainted 6.11.0-rc6+ #6\n Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014\n RIP: 0010:__kvmalloc_node_noprof+0x175/0x180\n RSP: 0018:ffffc90001e67c10 EFLAGS: 00010246\n RAX: 0000000000000100 RBX: 0000000000000400 RCX: ffffffff8149d46b\n RDX: 0000000000000000 RSI: ffff8881030fae80 RDI: 0000000000000002\n RBP: 000000712c800000 R08: 0000000000000100 R09: 0000000000000000\n R10: ffffc90001e67c10 R11: 0030ae0601000000 R12: 0000000000000000\n R13: 0000000000000000 R14: 00000000ffffffff R15: 0000000000000000\n FS:  00007fde79159740(0000) GS:ffff88813bdc0000(0000) knlGS:0000000000000000\n CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n CR2: 0000000020000180 CR3: 0000000105eb4005 CR4: 00000000003706b0\n DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\n DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\n Call Trace:\n  \u003cTASK\u003e\n  ib_umem_odp_get+0x1f6/0x390\n  mlx5_ib_reg_user_mr+0x1e8/0x450\n  ib_uverbs_reg_mr+0x28b/0x440\n  ib_uverbs_write+0x7d3/0xa30\n  vfs_write+0x1ac/0x6c0\n  ksys_write+0x134/0x170\n  ? __sanitizer_cov_trace_pc+0x1c/0x50\n  do_syscall_64+0x50/0x110\n  entry_SYSCALL_64_after_hwframe+0x76/0x7e","modified":"2026-04-02T12:47:36.436220Z","published":"2025-05-09T06:43:56.749Z","related":["SUSE-SU-2025:01964-1","SUSE-SU-2025:01965-1","SUSE-SU-2025:02000-1","SUSE-SU-2025:02254-1","SUSE-SU-2025:02307-1","SUSE-SU-2025:02333-1","SUSE-SU-2025:02923-1","SUSE-SU-2025:20408-1","SUSE-SU-2025:20413-1","SUSE-SU-2025:20419-1","SUSE-SU-2025:20421-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/37xxx/CVE-2025-37867.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/0d81bb58a203ad5f4044dc18cfbc230c194f650a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6c588e9afbab240c921f936cb676dac72e2e2b66"},{"type":"WEB","url":"https://git.kernel.org/stable/c/791daf8240cedf27af8794038ae1d32ef643bce6"},{"type":"WEB","url":"https://git.kernel.org/stable/c/9a0e6f15029e1a8a21e40f06fd05aa52b7f063de"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ae470d06320dea4002d441784d691f0a26b4322d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f476eba25fdf70faa7b19a3e0fb00e65c5b53106"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f94ac90ce7bd6f9266ad0d99044ed86e8d1416c1"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/37xxx/CVE-2025-37867.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-37867"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"37824952dc8fcd96e5c5a1ce9abf3f0ba09b1e5e"},{"fixed":"f94ac90ce7bd6f9266ad0d99044ed86e8d1416c1"},{"fixed":"791daf8240cedf27af8794038ae1d32ef643bce6"},{"fixed":"6c588e9afbab240c921f936cb676dac72e2e2b66"},{"fixed":"ae470d06320dea4002d441784d691f0a26b4322d"},{"fixed":"0d81bb58a203ad5f4044dc18cfbc230c194f650a"},{"fixed":"f476eba25fdf70faa7b19a3e0fb00e65c5b53106"},{"fixed":"9a0e6f15029e1a8a21e40f06fd05aa52b7f063de"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-37867.json"}}],"schema_version":"1.7.5"}