CVE-2025-37867— RDMA/core: Silence oversized kvmalloc() warning
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I. Basic Information for CVE-2025-37867
Vulnerability Information
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Vulnerability Title
RDMA/core: Silence oversized kvmalloc() warning
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Silence oversized kvmalloc() warning syzkaller triggered an oversized kvmalloc() warning. Silence it by adding __GFP_NOWARN. syzkaller log: WARNING: CPU: 7 PID: 518 at mm/util.c:665 __kvmalloc_node_noprof+0x175/0x180 CPU: 7 UID: 0 PID: 518 Comm: c_repro Not tainted 6.11.0-rc6+ #6 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014 RIP: 0010:__kvmalloc_node_noprof+0x175/0x180 RSP: 0018:ffffc90001e67c10 EFLAGS: 00010246 RAX: 0000000000000100 RBX: 0000000000000400 RCX: ffffffff8149d46b RDX: 0000000000000000 RSI: ffff8881030fae80 RDI: 0000000000000002 RBP: 000000712c800000 R08: 0000000000000100 R09: 0000000000000000 R10: ffffc90001e67c10 R11: 0030ae0601000000 R12: 0000000000000000 R13: 0000000000000000 R14: 00000000ffffffff R15: 0000000000000000 FS: 00007fde79159740(0000) GS:ffff88813bdc0000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000180 CR3: 0000000105eb4005 CR4: 00000000003706b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> ib_umem_odp_get+0x1f6/0x390 mlx5_ib_reg_user_mr+0x1e8/0x450 ib_uverbs_reg_mr+0x28b/0x440 ib_uverbs_write+0x7d3/0xa30 vfs_write+0x1ac/0x6c0 ksys_write+0x134/0x170 ? __sanitizer_cov_trace_pc+0x1c/0x50 do_syscall_64+0x50/0x110 entry_SYSCALL_64_after_hwframe+0x76/0x7e
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于RDMA核心未处理大容量kvmalloc失败，可能导致内存分配失败。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2025-37867
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Same Patch Batch · Linux · 2025-05-09 · 52 CVEs total
| CVE-2025-37874 | net: ngbe: fix memory leak in ngbe_probe() error path | |
| CVE-2025-37889 | ASoC: ops: Consistently treat platform_max as control value | |
| CVE-2025-37888 | net/mlx5: Fix null-ptr-deref in mlx5_create_{inner_,}ttc_table() | |
| CVE-2025-37883 | s390/sclp: Add check for get_zeroed_page() | |
| CVE-2025-37886 | pds_core: make wait_context part of q_info | |
| CVE-2025-37885 | KVM: x86: Reset IRTE to host control if *new* route isn't postable | |
| CVE-2025-37884 | bpf: Fix deadlock between rcu_tasks_trace and event_mutex. | |
| CVE-2025-37887 | pds_core: handle unsupported PDS_CORE_CMD_FW_CONTROL result | |
| CVE-2025-37876 | netfs: Only create /proc/fs/netfs with CONFIG_PROC_FS | |
| CVE-2025-37875 | igc: fix PTM cycle trigger logic | |
| CVE-2025-37877 | iommu: Clear iommu-dma ops on cleanup | |
| CVE-2025-37873 | eth: bnxt: fix missing ring index trim on error path | |
| CVE-2025-37872 | net: txgbe: fix memory leak in txgbe_probe() error path | |
| CVE-2025-37871 | nfsd: decrease sc_count directly if fail to queue dl_recall | |
| CVE-2025-37870 | drm/amd/display: prevent hang on link training fail | |
| CVE-2025-37869 | drm/xe: Use local fence in error path of xe_migrate_clear | |
| CVE-2025-37868 | drm/xe/userptr: fix notifier vs folio deadlock | |
| CVE-2025-37866 | mlxbf-bootctl: use sysfs_emit_at() in secure_boot_fuse_state_show() | |
| CVE-2025-37865 | net: dsa: mv88e6xxx: fix -ENOENT when deleting VLANs and MST is unsupported | |
| CVE-2025-37864 | net: dsa: clean up FDB, MDB, VLAN entries on unbind |
Showing top 20 of 52 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Linux
- CVE-2026-43500
rxrpc: Also unshare DATA/RESPONSE packets when paged frags a - CVE-2026-43475
scsi: storvsc: Fix scheduling while atomic on PREEMPT_RT - CVE-2026-43474
fs: init flags_valid before calling vfs_fileattr_get - CVE-2026-43473
scsi: mpi3mr: Add NULL checks when resetting request and rep - CVE-2026-43472
unshare: fix unshare_fs() handling
Same vendor: Linux
- CVE-2026-43500
rxrpc: Also unshare DATA/RESPONSE packets when paged frags a - CVE-2026-43475
scsi: storvsc: Fix scheduling while atomic on PREEMPT_RT - CVE-2026-43474
fs: init flags_valid before calling vfs_fileattr_get - CVE-2026-43473
scsi: mpi3mr: Add NULL checks when resetting request and rep - CVE-2026-43472
unshare: fix unshare_fs() handling
V. Comments for CVE-2025-37867
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