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CVE-2025-39677

🗓️ 05 Sep 2025 17:20:43Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 22 Views

CVE-2025-39677 fixes backlog accounting in qdisc_dequeue_internal for the fq family qdiscs.

Related
Detection
Affected
Refs
NVD
Vulners
CNA
Node
linuxlinux_kernelRange3.56.16.4
OR
linuxlinux_kernelMatch6.17rc1
OR
linuxlinux_kernelMatch6.17rc2
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "include/net/sch_generic.h",
      "net/sched/sch_codel.c",
      "net/sched/sch_fq.c",
      "net/sched/sch_fq_codel.c",
      "net/sched/sch_fq_pie.c",
      "net/sched/sch_hhf.c",
      "net/sched/sch_pie.c"
    ],
    "versions": [
      {
        "version": "4b549a2ef4bef9965d97cbd992ba67930cd3e0fe",
        "lessThan": "a225f44d84b8900d679c5f5a9ea46fe9c0cc7802",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4b549a2ef4bef9965d97cbd992ba67930cd3e0fe",
        "lessThan": "52bf272636bda69587952b35ae97690b8dc89941",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "include/net/sch_generic.h",
      "net/sched/sch_codel.c",
      "net/sched/sch_fq.c",
      "net/sched/sch_fq_codel.c",
      "net/sched/sch_fq_pie.c",
      "net/sched/sch_hhf.c",
      "net/sched/sch_pie.c"
    ],
    "versions": [
      {
        "version": "3.5",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.5",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.16.4",
        "lessThanOrEqual": "6.16.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.17",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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11 May 2026 21:34Current
6.2Medium risk
Vulners AI Score6.2
CVSS 3.15.5
EPSS0.00027
22