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CVE-2026-64542 ipv6: ndisc: fix NULL deref in accept_untracked_na()

🗓️ 27 Jul 2026 20:10:34Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 8 Views

CVE-2026-64542: Fix NULL dereference in accept_untracked_na by using caller idev.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
CVE
CVE-2026-64542
27 Jul 202620:10
cve
Debian CVE
CVE-2026-64542
27 Jul 202620:10
debiancve
EUVD
EUVD-2026-49593
27 Jul 202620:10
euvd
NVD
CVE-2026-64542
27 Jul 202621:17
nvd
OSV
DEBIAN-CVE-2026-64542
27 Jul 202622:48
osv
Positive Technologies
PT-2026-65217
27 Jul 202600:00
ptsecurity
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/ipv6/ndisc.c"
    ],
    "versions": [
      {
        "version": "aaa5f515b16b6b3e137779ffb4c9558bb58c1e75",
        "lessThan": "62c719203cb521b64fab74da94a81bdde5c18808",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "aaa5f515b16b6b3e137779ffb4c9558bb58c1e75",
        "lessThan": "a6450f7cfae57b382cbaf66a577765c9a88b3c58",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "aaa5f515b16b6b3e137779ffb4c9558bb58c1e75",
        "lessThan": "63d1c23764de2309cedbb779c75188d257a09d9b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "aaa5f515b16b6b3e137779ffb4c9558bb58c1e75",
        "lessThan": "d186e942365acece7c56d39da05dd63bf95b280a",
        "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/ipv6/ndisc.c"
    ],
    "versions": [
      {
        "version": "6.0",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.0",
        "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-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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