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CVE-2026-80668

🗓️ 28 Aug 2026 06:49:09Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 60 Views

Race in Linux kernel nf_conntrack_expect allows accessing stale exp->master pointer after freed.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
astralinux
AstraLinux
Astra Linux – Vulnerability in Linux 6.12
8 May 202609:09
–astralinux
circl
Circl
CVE-2026-80668
29 Aug 202614:50
–circl
cvelist
Cvelist
CVE-2026-80668 netfilter: nf_conntrack_expect: use conntrack GC to reap expectations
28 Aug 202606:49
–cvelist
debiancve
Debian CVE
CVE-2026-80668
28 Aug 202606:49
–debiancve
euvd
EUVD
EUVD-2026-67544
28 Aug 202606:49
–euvd
mscve
Microsoft CVE
netfilter: nf_conntrack_expect: use conntrack GC to reap expectations
29 Aug 202608:05
–mscve
nvd
NVD
CVE-2026-80668
28 Aug 202608:16
–nvd
osv_azl
osv_azl
AZL-98126 CVE-2026-80668 affecting package kernel 6.6.157.1-1
28 Aug 202608:16
–osv_azl
osv_bell
osv_bell
BELL-CVE-2026-80668
3 Sep 202606:05
–osv_bell
osv_debian
osv_debian
DEBIAN-CVE-2026-80668
28 Aug 202608:16
–osv_debian
Rows per page
Vulners
CNA
Node
OR
OR
linuxlinux_kernelRange6.6.143–6.6.160
linuxlinux_kernelRange6.12.94–6.12.114
linuxlinux_kernelRange6.1.176–6.2
linuxlinux_kernelRange6.18.24–6.19
linuxlinux_kernelRange6.19.14–6.20
OR
linuxlinux_kernelRange7.0–6.6.160
linuxlinux_kernelRange6.7.0–6.12.114
linuxlinux_kernelRange6.13.0–7.1.5
linuxlinux_kernelRange7.2.0≥
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "include/net/netfilter/nf_conntrack_expect.h",
      "include/uapi/linux/netfilter/nf_conntrack_common.h",
      "net/netfilter/nf_conntrack_core.c",
      "net/netfilter/nf_conntrack_expect.c",
      "net/netfilter/nf_conntrack_h323_main.c",
      "net/netfilter/nf_conntrack_helper.c",
      "net/netfilter/nf_conntrack_netlink.c",
      "net/netfilter/nf_conntrack_sip.c",
      "net/netfilter/nft_ct.c"
    ],
    "versions": [
      {
        "version": "5e1c1d22268ae710c238342c8030c21daf298168",
        "lessThan": "3d7b808ec35291ee75dcdb2b6fe5f587bfe9b1df",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d52fa1fa7440676b8c238037a050ab008c22737f",
        "lessThan": "02f7809a19fc88cfd9bc113a4bfe7add6305db39",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "bffcaad9afdfe45d7fc777397d3b83c1e3ebffe5",
        "lessThan": "7ec786f4230c2a9b2eaf97a2d45368933b49d2b2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "bffcaad9afdfe45d7fc777397d3b83c1e3ebffe5",
        "lessThan": "b8b09dc2bf35a00d4e0556b5d6308c7b917ebda2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9e1196d27ef496f404c76f7a9d03761142d991c4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f338ced0473849c9f6ed0b77ca99f1aab5826787",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "497f99b26fffdc5635706d1b4811f1ed8ee21a5b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6.6.143",
        "lessThan": "6.6.160",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.12.94",
        "lessThan": "6.12.114",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.1.176",
        "lessThan": "6.2",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.18.24",
        "lessThan": "6.19",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.19.14",
        "lessThan": "6.20",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "include/net/netfilter/nf_conntrack_expect.h",
      "include/uapi/linux/netfilter/nf_conntrack_common.h",
      "net/netfilter/nf_conntrack_core.c",
      "net/netfilter/nf_conntrack_expect.c",
      "net/netfilter/nf_conntrack_h323_main.c",
      "net/netfilter/nf_conntrack_helper.c",
      "net/netfilter/nf_conntrack_netlink.c",
      "net/netfilter/nf_conntrack_sip.c",
      "net/netfilter/nft_ct.c"
    ],
    "versions": [
      {
        "version": "7.0",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "7.0",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.160",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.114",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.5",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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21 Oct 2026 13:19Current
6.9Medium risk
Vulners AI Score6.9
CVSS 3.19.8
EPSS0.00671
SSVC
60