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

Vulnerability from cvelistv5 – Published: 2025-05-09 06:43 – Updated: 2026-05-11 21:16
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
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
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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          "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"
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          "url": "https://git.kernel.org/stable/c/f94ac90ce7bd6f9266ad0d99044ed86e8d1416c1"
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          "url": "https://git.kernel.org/stable/c/791daf8240cedf27af8794038ae1d32ef643bce6"
        },
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          "url": "https://git.kernel.org/stable/c/6c588e9afbab240c921f936cb676dac72e2e2b66"
        },
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          "url": "https://git.kernel.org/stable/c/ae470d06320dea4002d441784d691f0a26b4322d"
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          "url": "https://git.kernel.org/stable/c/0d81bb58a203ad5f4044dc18cfbc230c194f650a"
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    "cveId": "CVE-2025-37867",
    "datePublished": "2025-05-09T06:43:56.749Z",
    "dateReserved": "2025-04-16T04:51:23.959Z",
    "dateUpdated": "2026-05-11T21:16:38.667Z",
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      "date": "2026-09-16",
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      "percentile": "0.21724"
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      "cve": "CVE-2025-37867",
      "id": "msrc_CVE-2025-37867",
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      "product_status:fixed": "2",
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      "source": "Microsoft CSAF VEX",
      "status": "final",
      "title": "RDMA/core: Silence oversized kvmalloc() warning",
      "url": "https://msrc.microsoft.com/csaf/vex/2025/msrc_cve-2025-37867.json",
      "version": "2"
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    "nvd": "{\"cve\":{\"id\":\"CVE-2025-37867\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-05-09T07:16:07.763\",\"lastModified\":\"2026-06-17T09:15:35.960\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"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\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: RDMA/core: Silenciar la advertencia de kvmalloc() sobredimensionado. syzkaller activ\u00f3 una advertencia de kvmalloc() sobredimensionado. Sil\u00e9nciala a\u00f1adiendo __GFP_NOWARN. Registro de syzkaller: ADVERTENCIA: CPU: 7 PID: 518 en mm/util.c:665 __kvmalloc_node_noprof+0x175/0x180 CPU: 7 UID: 0 PID: 518 Comm: c_repro No contaminado 6.11.0-rc6+ #6 Nombre del hardware: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 01/04/2014 RIP: 0010:__kvmalloc_node_noprof+0x175/0x180 RSP: 0018:ffffc90001e67c10 EFLAGS: 00010246 RAX: 00000000000000100 RBX: 0000000000000400 RCX: ffffffff8149d46b RDX: 0000000000000000 RSI: ffff8881030fae80 RDI: 0000000000000002 RBP: 000000712c800000 R08: 0000000000000100 R09: 0000000000000000 R10: ffffc90001e67c10 R11: 0030ae0601000000 R12: 000000000000000 R13: 0000000000000000 R14: 00000000ffffffff R15: 0000000000000000 FS: 00007fde79159740(0000) GS:ffff88813bdc0000(0000) knlGS:000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000180 CR3: 0000000105eb4005 CR4: 00000000003706b0 DR0: 000000000000000 DR1: 00000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Rastreo de llamadas:  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 \"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"drivers/infiniband/core/umem_odp.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"37824952dc8fcd96e5c5a1ce9abf3f0ba09b1e5e\",\"lessThan\":\"f94ac90ce7bd6f9266ad0d99044ed86e8d1416c1\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"37824952dc8fcd96e5c5a1ce9abf3f0ba09b1e5e\",\"lessThan\":\"791daf8240cedf27af8794038ae1d32ef643bce6\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"37824952dc8fcd96e5c5a1ce9abf3f0ba09b1e5e\",\"lessThan\":\"6c588e9afbab240c921f936cb676dac72e2e2b66\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"37824952dc8fcd96e5c5a1ce9abf3f0ba09b1e5e\",\"lessThan\":\"ae470d06320dea4002d441784d691f0a26b4322d\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"37824952dc8fcd96e5c5a1ce9abf3f0ba09b1e5e\",\"lessThan\":\"0d81bb58a203ad5f4044dc18cfbc230c194f650a\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"37824952dc8fcd96e5c5a1ce9abf3f0ba09b1e5e\",\"lessThan\":\"f476eba25fdf70faa7b19a3e0fb00e65c5b53106\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"37824952dc8fcd96e5c5a1ce9abf3f0ba09b1e5e\",\"lessThan\":\"9a0e6f15029e1a8a21e40f06fd05aa52b7f063de\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"drivers/infiniband/core/umem_odp.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"5.4\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"5.4\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.237\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.181\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.135\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.6.88\",\"lessThanOrEqual\":\"6.6.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.12.25\",\"lessThanOrEqual\":\"6.12.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.14.4\",\"lessThanOrEqual\":\"6.14.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.15\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.4\",\"versionEndExcluding\":\"5.10.237\",\"matchCriteriaId\":\"6826B8B5-54FB-48E9-972A-4C0A4579A466\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.181\",\"matchCriteriaId\":\"12331C9E-F601-4EFC-899E-369F98DCC70B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.1.135\",\"matchCriteriaId\":\"5B9ACE29-7445-4B6F-B761-6367C005E275\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.6.88\",\"matchCriteriaId\":\"6E5947E5-45E3-462A-829B-382B3B1C61BD\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.12.25\",\"matchCriteriaId\":\"8E59EE65-FA6B-4AE4-8125-26135E28BF35\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.13\",\"versionEndExcluding\":\"6.14.4\",\"matchCriteriaId\":\"29FA1A8E-1C2A-4B0B-B397-2C915ECDEDEE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.15:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"8D465631-2980-487A-8E65-40AE2B9F8ED1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.15:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"4C9D071F-B28E-46EC-AC61-22B913390211\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false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List\",\"Third Party Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]}]}}",
    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-06-30T10:24:34+00:00",
      "cve": "CVE-2025-37867",
      "id": "CVE-2025-37867",
      "initial_release_date": "2025-05-09T00:00:00+00:00",
      "product_status:known_affected": "260",
      "product_status:known_not_affected": "14",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: RDMA/core: Silence oversized kvmalloc() warning",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-37867.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-30T01:58:53Z",
      "cve": "CVE-2025-37867",
      "id": "CVE-2025-37867",
      "initial_release_date": "2025-05-10T02:52:40Z",
      "product_status:known_affected": "591",
      "product_status:known_not_affected": "230",
      "product_status:recommended": "396",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2025-37867",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2025-37867.json",
      "version": "41"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.