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CVE-2026-64091 batman-adv: tt: fix TOCTOU race for reported vlans

🗓️ 19 Jul 2026 15:40:00Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 39 Views

Fix TOCTOU race in batman-adv tt for VLANs by overestimating buffer size and filling only nonempty.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-64091
19 Jul 202615:40
attackerkb
circl
Circl
CVE-2026-64091
23 Jul 202611:58
circl
cve
CVE
CVE-2026-64091
19 Jul 202615:40
cve
debiancve
Debian CVE
CVE-2026-64091
19 Jul 202615:40
debiancve
euvd
EUVD
EUVD-2026-45776
19 Jul 202615:40
euvd
nvd
NVD
CVE-2026-64091
19 Jul 202616:17
nvd
osv
OSV
BELL-CVE-2026-64091
22 Jul 202606:06
osv
osv
OSV
DEBIAN-CVE-2026-64091
19 Jul 202616:17
osv
osv
OSV
ROOT-OS-UBUNTU-2204-CVE-2026-64091 CVE-2026-64091 in linux - Patched by Root
6 Aug 202607:51
osv
osv
OSV
UBUNTU-CVE-2026-64091
20 Jul 202600:00
osv
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/batman-adv/translation-table.c"
    ],
    "versions": [
      {
        "version": "16116dac23396e73c01eeee97b102e4833a4b205",
        "lessThan": "e4236bf3ec8d6bb15d0d8d825dcf9933a7d6666b",
        "status": "affected",
        "versionType": "git"
      },
      {
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        "status": "affected",
        "versionType": "git"
      },
      {
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      },
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        "status": "affected",
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      },
      {
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      },
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      },
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      },
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      },
      {
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        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0b81edc8818903c64c4d121bc51cd5825be8cc67",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "90ae6475b1753f0c1a4c66034b5666de3189fac8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3.16.60",
        "lessThan": "3.17",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "4.4.217",
        "lessThan": "4.5",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "4.9.217",
        "lessThan": "4.10",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "4.14.174",
        "lessThan": "4.15",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/batman-adv/translation-table.c"
    ],
    "versions": [
      {
        "version": "4.17",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.17",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.259",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.210",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.176",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.143",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.93",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.34",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.11",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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05 Aug 2026 12:39Current
CVSS 3.19.8
EPSS0.00552
39