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CVE-2026-43491

🗓️ 19 May 2026 10:44:23Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 19 Views

CVE-2026-43491 limits server registrations to 256 per node and rate limits errors in qrtr ns.

Related
Detection
Affected
Refs
Vulners
CNA
Node
linuxlinux_kernelRange5.76.6.140
OR
linuxlinux_kernelRange6.7.06.12.86
OR
linuxlinux_kernelRange6.13.06.18.27
OR
linuxlinux_kernelRange6.19.07.0.4
OR
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/qrtr/ns.c"
    ],
    "versions": [
      {
        "version": "0c2204a4ad710d95d348ea006f14ba926e842ffd",
        "lessThan": "e6f6cd501fb54060940a6eb3f4103eeb5e426ae7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0c2204a4ad710d95d348ea006f14ba926e842ffd",
        "lessThan": "3efaad55cad1ded429e3a873bfece389058a526b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0c2204a4ad710d95d348ea006f14ba926e842ffd",
        "lessThan": "35fb4a0c077c5d1049c2628b769e0a1b1e65df0d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0c2204a4ad710d95d348ea006f14ba926e842ffd",
        "lessThan": "868202aa2adae427060a42d5bd663b4d782ec02c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0c2204a4ad710d95d348ea006f14ba926e842ffd",
        "lessThan": "d5ee2ff98322337951c56398e79d51815acbf955",
        "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/qrtr/ns.c"
    ],
    "versions": [
      {
        "version": "5.7",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.7",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.140",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.86",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.27",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.4",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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17 Jun 2026 10:49Current
5.8Medium risk
Vulners AI Score5.8
EPSS0.00186
19