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CVE-2026-23139

🗓️ 14 Feb 2026 15:22:24Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 78 Views

CVE-2026-23139 fixes nf_conncount by updating last_gc only after a garbage collection is performed.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-23139
14 Feb 202615:22
–attackerkb
astralinux
AstraLinux
Astra Linux – Vulnerability in Linux 6.1
14 Sep 202612:41
–astralinux
bdu_fstec
BDU FSTEC
netfilter DoS
29 May 202600:00
–bdu_fstec
circl
Circl
CVE-2026-23139
3 Apr 202615:22
–circl
cnnvd
CNNVD
Linux Kernel Security Vulnerabilities
14 Feb 202600:00
–cnnvd
cvelist
Cvelist
CVE-2026-23139 netfilter: nf_conncount: update last_gc only when GC has been performed
14 Feb 202615:22
–cvelist
debiancve
Debian CVE
CVE-2026-23139
14 Feb 202615:22
–debiancve
oraclelinux
Oracle linux
Unbreakable Enterprise kernel security update
10 Mar 202600:00
–oraclelinux
oraclelinux
Oracle linux
Unbreakable Enterprise kernel security update
10 Mar 202600:00
–oraclelinux
euvd
EUVD
EUVD-2026-5898
14 Feb 202615:22
–euvd
Rows per page
NVD
Vulners
CNA
Node
OR
linuxlinux_kernelRange5.19–6.1.161
linuxlinux_kernelRange6.2–6.6.121
linuxlinux_kernelRange6.7–6.12.66
linuxlinux_kernelRange6.13–6.18.6
linuxlinux_kernelMatch6.19rc1
linuxlinux_kernelMatch6.19rc2
linuxlinux_kernelMatch6.19rc3
linuxlinux_kernelMatch6.19rc4
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/netfilter/nf_conncount.c"
    ],
    "versions": [
      {
        "version": "f106694733c66a48740c25bc4e212e9b2ea364ce",
        "lessThan": "2c7c71113ed6d3e2f3aca4c088f22283016ff34f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "be69850b461e7b491d87a22e33ab76fdd04b725e",
        "lessThan": "c4cde57c8affdcca5bcff53a1047e15d268bdca1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d265929930e2ffafc744c0ae05fb70acd53be1ee",
        "lessThan": "9f45588993d7f115280fc726119ca86fba32a811",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d265929930e2ffafc744c0ae05fb70acd53be1ee",
        "lessThan": "3cd717359e56f82f06cbf8279b47a7d79880c6f3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d265929930e2ffafc744c0ae05fb70acd53be1ee",
        "lessThan": "26a82dce2beee39c43c109d9647e16f49cb02a35",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d265929930e2ffafc744c0ae05fb70acd53be1ee",
        "lessThan": "8bdafdf4900040a81422056cabe5e00a37bd101a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d265929930e2ffafc744c0ae05fb70acd53be1ee",
        "lessThan": "7811ba452402d58628e68faedf38745b3d485e3c",
        "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/netfilter/nf_conncount.c"
    ],
    "versions": [
      {
        "version": "5.19",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.19",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.161",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.121",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.66",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.6",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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05 Aug 2026 12:20Current
6.5Medium risk
Vulners AI Score6.5
CVSS 3.15.5 - 7.5
EPSS0.00383
78