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CVE-2026-63983

🗓️ 19 Jul 2026 14:56:06Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 53 Views

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

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
nessus
Tenable Nessus
Amazon Linux 2023 : bpftool6.12, kernel6.12, kernel6.12-devel (ALAS2023-2026-1968)
20 Jul 202600:00
–nessus
nessus
Tenable Nessus
Oracle Linux 10 / 9 : Unbreakable Enterprise kernel (ELSA-2026-500248)
4 Sep 202600:00
–nessus
nessus
Tenable Nessus
Photon OS 5.0: Linux PHSA-2026-5.0-0895
26 Jun 202600:00
–nessus
nessus
Tenable Nessus
Photon OS 5.0: Linux PHSA-2026-5.0-92-0895
10 Aug 202600:00
–nessus
nessus
Tenable Nessus
SUSE SLES12: cluster-md-kmp-default / dlm-kmp-default / gfs2-kmp-default / etc (SUSE-SU-2026:4892-1)
25 Oct 202600:00
–nessus
nessus
Tenable Nessus
AlmaLinux 9.2 [TuxCare] Security Update: bpftool / kernel / kernel-64k / kernel-64k-core / kernel-64k-debug / etc Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1792243434)
17 Oct 202600:00
–nessus
nessus
Tenable Nessus
CentOS Linux 6 [TuxCare] Security Update: kernel / kernel-abi-whitelists / kernel-debug / kernel-debug-devel / etc Multiple Vulnerabilities (CENTOS6:CLSA-2026:1791949745)
20 Oct 202600:00
–nessus
nessus
Tenable Nessus
CentOS Linux 8.4 [TuxCare] Security Update: bpftool / kernel / kernel-core / kernel-cross-headers / etc Multiple Vulnerabilities (CENTOS8.4:CLSA-2026:1792979607)
26 Oct 202600:00
–nessus
nessus
Tenable Nessus
CentOS Linux 8.5 [TuxCare] Security Update: bpftool / kernel / kernel-core / kernel-cross-headers / etc Multiple Vulnerabilities (CENTOS8.5:CLSA-2026:1792979985)
26 Oct 202600:00
–nessus
nessus
Tenable Nessus
Ubuntu 24.04 LTS / 26.04 LTS : Linux kernel (NVIDIA) vulnerabilities (USN-8663-1)
26 Aug 202600:00
–nessus
Rows per page
Vulners
CNA
Node
OR
linuxlinux_kernelRange2.6.12–6.12.93
linuxlinux_kernelRange6.13.0–6.18.57
linuxlinux_kernelRange6.19.0–7.0.12
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": "4ec3a8ca97394f17e73a4d8d4c79c1c78b322772",
        "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": "6.18.57",
        "lessThanOrEqual": "6.18.*",
        "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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15 Oct 2026 11:17Current
6.5Medium risk
Vulners AI Score6.5
EPSS0.00168
53