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EUVD-2026-45567

🗓️ 19 Jul 2026 14:56:13Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 6 Views

Fixed use-after-free in Linux tunnels by deferring IP header caching after skb_cow in PMTUD ICMP/ICMPv6.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
CVE
CVE-2026-63994
19 Jul 202614:56
cve
Cvelist
CVE-2026-63994 tunnels: load network headers after skb_cow() in iptunnel_pmtud_build_icmp[v6]()
19 Jul 202614:56
cvelist
Debian CVE
CVE-2026-63994
19 Jul 202614:56
debiancve
NVD
CVE-2026-63994
19 Jul 202616:17
nvd
OSV
CVE-2026-63994 tunnels: load network headers after skb_cow() in iptunnel_pmtud_build_icmp[v6]()
19 Jul 202614:56
osv
OSV
DEBIAN-CVE-2026-63994
19 Jul 202616:17
osv
OSV
UBUNTU-CVE-2026-63994
20 Jul 202600:00
osv
Positive Technologies
PT-2026-61311
19 Jul 202600:00
ptsecurity
RedhatCVE
CVE-2026-63994
21 Jul 202614:48
redhatcve
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-63994
20 Jul 202600:00
nessus
Rows per page
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    ]
  }
]

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19 Jul 2026 14:56Current
5.3Medium risk
Vulners AI Score5.3
EPSS0.00176
6