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CVE-2026-89487 openvswitch: only skb_tx_error() a packet we are about to drop

🗓️ 11 Sep 2026 19:43:40Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 16 Views

Linux openvswitch skb_tx_error() on live skb strips SKBFL_SHARED_FRAG enabling page-cache write.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-89487
11 Sep 202619:43
cve
debiancve
Debian CVE
CVE-2026-89487
11 Sep 202619:43
debiancve
euvd
EUVD
EUVD-2026-76393
11 Sep 202619:43
euvd
nvd
NVD
CVE-2026-89487
11 Sep 202620:19
nvd
osv
OSV
DEBIAN-CVE-2026-89487
11 Sep 202620:19
osv
ptsecurity
Positive Technologies
PT-2026-90203
11 Sep 202600:00
ptsecurity
redhatcve
RedhatCVE
CVE-2026-89487
12 Sep 202600:12
redhatcve
[
  {
    "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": "36d5fe6a000790f56039afe26834265db0a3ad4c",
        "lessThan": "6767d70cf46f65807a6a4c4406a518e6c12e36ae",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "36d5fe6a000790f56039afe26834265db0a3ad4c",
        "lessThan": "e41a59fc056f63a7a1f42788913c53cc48d744aa",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "36d5fe6a000790f56039afe26834265db0a3ad4c",
        "lessThan": "5d85eef222cfd28e73deed7402c100229e8b9e6e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "36d5fe6a000790f56039afe26834265db0a3ad4c",
        "lessThan": "0dbc2398fca3bb33eda963849f865ddb1b3aa05e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c5f0c0e7525443add533495e93ba8de6feab2396",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1674b4bf3eea3cac51b70778e89f8025f7cfe695",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3.10.51",
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        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "3.12.40",
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        "status": "affected",
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      }
    ]
  },
  {
    "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": "3.14",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.14",
        "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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