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CVE-2026-80600 batman-adv: dat: acquire ARP hw source only after skb realloc

🗓️ 28 Aug 2026 06:48:27Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 3 Views

Use-after-free in batman-adv DAT from stale pointers after pskb_may_pull realloc in batadv_get_vid.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-80600
28 Aug 202607:55
circl
cve
CVE
CVE-2026-80600
28 Aug 202606:48
cve
debiancve
Debian CVE
CVE-2026-80600
28 Aug 202606:48
debiancve
euvd
EUVD
EUVD-2026-67476
28 Aug 202606:48
euvd
nvd
NVD
CVE-2026-80600
28 Aug 202608:16
nvd
osv
OSV
DEBIAN-CVE-2026-80600
28 Aug 202608:16
osv
ptsecurity
Positive Technologies
PT-2026-82900
28 Aug 202600:00
ptsecurity
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/batman-adv/distributed-arp-table.c"
    ],
    "versions": [
      {
        "version": "b61ec31c85756bbc898fb892555509afe709459a",
        "lessThan": "a82fc217cb7a447313c76ebf9f09b100771b0ddf",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b61ec31c85756bbc898fb892555509afe709459a",
        "lessThan": "86aa79b43e5b561fd3648891165bd7313b541315",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b61ec31c85756bbc898fb892555509afe709459a",
        "lessThan": "d755cd001fa2c248e186c1fc3df3d11d97dc843c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b61ec31c85756bbc898fb892555509afe709459a",
        "lessThan": "3404be97b940a9b1ae1aea5fdbc6cdbbe9cd5146",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b61ec31c85756bbc898fb892555509afe709459a",
        "lessThan": "01678c53a7717a748aee388b6839e7b9761d641c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b61ec31c85756bbc898fb892555509afe709459a",
        "lessThan": "3b4c70c40f2e135a50cd38fc61c7d23a296a9981",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b61ec31c85756bbc898fb892555509afe709459a",
        "lessThan": "059a70e1d12d6d99310e0599d37b0323557569a8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b61ec31c85756bbc898fb892555509afe709459a",
        "lessThan": "48067b2ae4504500a7093d9e1e16b42e70330480",
        "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/batman-adv/distributed-arp-table.c"
    ],
    "versions": [
      {
        "version": "5.1",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.1",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.261",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.212",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.178",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.145",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.97",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.40",
        "lessThanOrEqual": "6.18.*",
        "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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