CVE-2025-39742 RDMA: hfi1: fix possible divide-by-zero in find_hw_thread_mask()

🗓️ 11 Sep 2025 16:52:16Reported by LinuxType

CVE-2025-39742 fixes divide-by-zero in hfi1 by checking divisor before division.

Reporter	Title	Published	Views	Family All 326
AstraLinux	Astra Linux - уязвимость в linux-5.10, linux-6.1, linux-5.15	20 May 202605:53	–	astralinux
Circl	CVE-2025-39742	13 Mar 202600:00	–	circl
CNNVD	Linux kernel 安全漏洞	11 Sep 202500:00	–	cnnvd
CVE	CVE-2025-39742	11 Sep 202516:52	–	cve
Debian	[SECURITY] [DLA 4327-1] linux security update	13 Oct 202509:16	–	debian
Debian	[SECURITY] [DLA 4328-1] linux-6.1 security update	13 Oct 202509:16	–	debian
Debian	[SECURITY] [DSA 6009-1] linux security update	22 Sep 202521:10	–	debian
Debian CVE	CVE-2025-39742	11 Sep 202516:52	–	debiancve
Tenable Nessus	Debian dla-4327 : ata-modules-5.10.0-35-armmp-di - security update	13 Oct 202500:00	–	nessus
Tenable Nessus	Debian dla-4328 : linux-config-6.1 - security update	13 Oct 202500:00	–	nessus

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/infiniband/hw/hfi1/affinity.c"
    ],
    "versions": [
      {
        "version": "b094a36f90975373c3a241839869217a65f17d81",
        "lessThan": "9bba1a9994c523b44db64f63b564b4719ea2b7ef",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b094a36f90975373c3a241839869217a65f17d81",
        "lessThan": "1a7cf828ed861de5be1aff99e10f114b363c19d3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b094a36f90975373c3a241839869217a65f17d81",
        "lessThan": "9d3211cb61a0773a2440d0a0698c1e6e7429f907",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b094a36f90975373c3a241839869217a65f17d81",
        "lessThan": "4b4317b0d758ff92ba96f4e448a8992a6fe607bf",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b094a36f90975373c3a241839869217a65f17d81",
        "lessThan": "89fdac333a17ed990b41565630ef4791782e02f5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b094a36f90975373c3a241839869217a65f17d81",
        "lessThan": "9b05e91afe948ed819bf87d7ba0fccf451ed79a6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b094a36f90975373c3a241839869217a65f17d81",
        "lessThan": "31d0599a23efdbfe579bfbd1eb8f8c942f13744d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b094a36f90975373c3a241839869217a65f17d81",
        "lessThan": "ac53f377393cc85156afdc90b636e84e544a6f96",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b094a36f90975373c3a241839869217a65f17d81",
        "lessThan": "59f7d2138591ef8f0e4e4ab5f1ab674e8181ad3a",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/infiniband/hw/hfi1/affinity.c"
    ],
    "versions": [
      {
        "version": "4.8",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.8",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.4.297",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.241",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.190",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.149",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.103",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.43",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.15.11",
        "lessThanOrEqual": "6.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.16.2",
        "lessThanOrEqual": "6.16.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.17",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/1a7cf828ed861de5be1aff99e10f114b363c19d3
git	www.git.kernel.org/stable/c/89fdac333a17ed990b41565630ef4791782e02f5
git	www.git.kernel.org/stable/c/9b05e91afe948ed819bf87d7ba0fccf451ed79a6
git	www.git.kernel.org/stable/c/4b4317b0d758ff92ba96f4e448a8992a6fe607bf
git	www.git.kernel.org/stable/c/9d3211cb61a0773a2440d0a0698c1e6e7429f907
git	www.git.kernel.org/stable/c/59f7d2138591ef8f0e4e4ab5f1ab674e8181ad3a
git	www.git.kernel.org/stable/c/9bba1a9994c523b44db64f63b564b4719ea2b7ef
git	www.git.kernel.org/stable/c/ac53f377393cc85156afdc90b636e84e544a6f96
git	www.git.kernel.org/stable/c/31d0599a23efdbfe579bfbd1eb8f8c942f13744d

11 May 2026 21:35Current

EPSS0.00024