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CVE-2026-63983

🗓️ 19 Jul 2026 14:56:06Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 6 Views

Fix netem packet loop on duplicate by using traffic control depth to prevent reenqueue recursion.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
Cvelist
CVE-2026-63983 net/sched: fix packet loop on netem when duplicate is on
19 Jul 202614:56
cvelist
EUVD
EUVD-2026-45756
19 Jul 202614:56
euvd
NVD
CVE-2026-63983
19 Jul 202616:17
nvd
OSV
CVE-2026-63983 net/sched: fix packet loop on netem when duplicate is on
19 Jul 202614:56
osv
OSV
DEBIAN-CVE-2026-63983
19 Jul 202616:17
osv
OSV
UBUNTU-CVE-2026-63983
20 Jul 202600:00
osv
Positive Technologies
PT-2026-61300
19 Jul 202600:00
ptsecurity
Vulners
CNA
Node
OR
linuxlinux_kernelRange2.6.126.12.93
linuxlinux_kernelRange6.13.07.0.12
linuxlinux_kernelRange7.1.0
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/sched/sch_netem.c"
    ],
    "versions": [
      {
        "version": "0afb51e72855971dba83b3c6b70c547c2d1161fd",
        "lessThan": "1a298a514ce766c6d0c232991a390fec67af81ad",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0afb51e72855971dba83b3c6b70c547c2d1161fd",
        "lessThan": "cfb2616042767ab31260d4f39190c381bec8b12e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0afb51e72855971dba83b3c6b70c547c2d1161fd",
        "lessThan": "9552b11e3edabc97cfcd9f29103d5afbce7ae183",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/sched/sch_netem.c"
    ],
    "versions": [
      {
        "version": "2.6.12",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.12",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.93",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.12",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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19 Jul 2026 16:17Current
5.4Medium risk
Vulners AI Score5.4
6