CVE-2025-37867 (GCVE-0-2025-37867)

Vulnerability from cvelistv5 – Published: 2025-05-09 06:43 – Updated: 2025-11-03 19:56
VLAI?
Title
RDMA/core: Silence oversized kvmalloc() warning
Summary
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
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 37824952dc8fcd96e5c5a1ce9abf3f0ba09b1e5e , < f94ac90ce7bd6f9266ad0d99044ed86e8d1416c1 (git)
Affected: 37824952dc8fcd96e5c5a1ce9abf3f0ba09b1e5e , < 791daf8240cedf27af8794038ae1d32ef643bce6 (git)
Affected: 37824952dc8fcd96e5c5a1ce9abf3f0ba09b1e5e , < 6c588e9afbab240c921f936cb676dac72e2e2b66 (git)
Affected: 37824952dc8fcd96e5c5a1ce9abf3f0ba09b1e5e , < ae470d06320dea4002d441784d691f0a26b4322d (git)
Affected: 37824952dc8fcd96e5c5a1ce9abf3f0ba09b1e5e , < 0d81bb58a203ad5f4044dc18cfbc230c194f650a (git)
Affected: 37824952dc8fcd96e5c5a1ce9abf3f0ba09b1e5e , < f476eba25fdf70faa7b19a3e0fb00e65c5b53106 (git)
Affected: 37824952dc8fcd96e5c5a1ce9abf3f0ba09b1e5e , < 9a0e6f15029e1a8a21e40f06fd05aa52b7f063de (git)
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    Linux Linux Affected: 5.4
Unaffected: 0 , < 5.4 (semver)
Unaffected: 5.10.237 , ≤ 5.10.* (semver)
Unaffected: 5.15.181 , ≤ 5.15.* (semver)
Unaffected: 6.1.135 , ≤ 6.1.* (semver)
Unaffected: 6.6.88 , ≤ 6.6.* (semver)
Unaffected: 6.12.25 , ≤ 6.12.* (semver)
Unaffected: 6.14.4 , ≤ 6.14.* (semver)
Unaffected: 6.15 , ≤ * (original_commit_for_fix)
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      "descriptions": [
        {
          "lang": "en",
          "value": "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"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-26T05:22:38.530Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/f94ac90ce7bd6f9266ad0d99044ed86e8d1416c1"
        },
        {
          "url": "https://git.kernel.org/stable/c/791daf8240cedf27af8794038ae1d32ef643bce6"
        },
        {
          "url": "https://git.kernel.org/stable/c/6c588e9afbab240c921f936cb676dac72e2e2b66"
        },
        {
          "url": "https://git.kernel.org/stable/c/ae470d06320dea4002d441784d691f0a26b4322d"
        },
        {
          "url": "https://git.kernel.org/stable/c/0d81bb58a203ad5f4044dc18cfbc230c194f650a"
        },
        {
          "url": "https://git.kernel.org/stable/c/f476eba25fdf70faa7b19a3e0fb00e65c5b53106"
        },
        {
          "url": "https://git.kernel.org/stable/c/9a0e6f15029e1a8a21e40f06fd05aa52b7f063de"
        }
      ],
      "title": "RDMA/core: Silence oversized kvmalloc() warning",
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  "cveMetadata": {
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    "assignerShortName": "Linux",
    "cveId": "CVE-2025-37867",
    "datePublished": "2025-05-09T06:43:56.749Z",
    "dateReserved": "2025-04-16T04:51:23.959Z",
    "dateUpdated": "2025-11-03T19:56:45.599Z",
    "state": "PUBLISHED"
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  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.