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CVE-2026-80994 net: openvswitch: fix flow mask use-after-free on flow deletion

🗓️ 11 Sep 2026 19:42:50Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 36 Views

Use-after-free of flow mask in Linux kernel openvswitch on flow deletion, leading to crash.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cbl_mariner
CBLMariner
CVE-2026-80994 affecting package kernel for versions less than 6.6.157.1-1
1 Oct 202604:01
–cbl_mariner
circl
Circl
CVE-2026-80994
20 Sep 202613:30
–circl
cve
CVE
CVE-2026-80994
11 Sep 202619:42
–cve
debian
Debian
[SECURITY] [DSA 6528-1] linux security update
29 Sep 202609:49
–debian
debiancve
Debian CVE
CVE-2026-80994
11 Sep 202619:42
–debiancve
nessus
Tenable Nessus
Debian dsa-6528 : ata-modules-6.12.111+deb13-armmp-di - security update
29 Sep 202600:00
–nessus
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-80994
12 Sep 202600:00
–nessus
euvd
EUVD
EUVD-2026-76317
11 Sep 202619:42
–euvd
mscve
Microsoft CVE
net: openvswitch: fix flow mask use-after-free on flow deletion
13 Sep 202608:08
–mscve
nvd
NVD
CVE-2026-80994
11 Sep 202620:19
–nvd
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/openvswitch/datapath.c"
    ],
    "versions": [
      {
        "version": "56c19868e115fcf8d62d843e1b9616bb9837d0db",
        "lessThan": "ea5f7b45b582665541ddfb77dce98611354af4ab",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "56c19868e115fcf8d62d843e1b9616bb9837d0db",
        "lessThan": "18ce1a8b7499c016d4a893d9b1db80608f73745d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "56c19868e115fcf8d62d843e1b9616bb9837d0db",
        "lessThan": "c15ef9a5bf594f93a31de2ec2ec394e2a903519a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "56c19868e115fcf8d62d843e1b9616bb9837d0db",
        "lessThan": "64051fe200c7c759af71634bd2123552eaabb69a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "56c19868e115fcf8d62d843e1b9616bb9837d0db",
        "lessThan": "0ba5cbc2f049af94ec94ff6f64958545efc5eaa2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "56c19868e115fcf8d62d843e1b9616bb9837d0db",
        "lessThan": "ac73e3af571da06c1d1cfe3f0f00dc978b851700",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "56c19868e115fcf8d62d843e1b9616bb9837d0db",
        "lessThan": "7f072b84afd05a77963eb1872f7174e280661dce",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "56c19868e115fcf8d62d843e1b9616bb9837d0db",
        "lessThan": "4e30317ff67a2eb12b4d890d39f72fd7e7117d48",
        "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/openvswitch/datapath.c"
    ],
    "versions": [
      {
        "version": "3.16",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.16",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.270",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.221",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.188",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.157",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.109",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.50",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.4",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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14 Sep 2026 11:59Current
CVSS 3.17.8
EPSS0.00171
36