CVE-2026-98873netfilter: nf_conntrack_expect: zero at allocation time
- —Not scoredno CVSS score yet
- 0.18%Exploitation in 30 daysEPSS · top 92% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_conntrack_expect: zero at allocation time There are occasional LLM hints wrt. leaking uninitialized data to userspace via ctnetlink. Just zero at allocation time, expectations are not frequently used these days. Intentionally keeps _init as-is because we could theoretically support re-init, so add the missing exp->dir there.
Timeline
ID reserved
By Linux
- 28 days later
· 28 days later
Published
- 3 days later
· 3 days later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
No CVSS score yet: neither the CNA, CISA nor NVD has scored this CVE. NVD status: Received.
- EPSS (exploitation in 30 days)
- 0.18% · top 92% of all CVEs (12 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Not scored.
Affected products
- affected 076a0ca02644657b13e4af363f487ced2942e9cb – < 39cb6ff947c16a576ea68c5f272e634acdcb0085
- affected 076a0ca02644657b13e4af363f487ced2942e9cb – < 90545aa07a183887e9d72ce573c18e08f62e2c91
- affected 076a0ca02644657b13e4af363f487ced2942e9cb – < 9c11d7ea5ff4dbe162e79f00188814ef5483c295
- affected 076a0ca02644657b13e4af363f487ced2942e9cb – < b7f3ee925aee9f1f547d539bc03c35433c238958
- affected 076a0ca02644657b13e4af363f487ced2942e9cb – < 824397af7bfe14edad374c64253dae0187ca623d
- affected 076a0ca02644657b13e4af363f487ced2942e9cb – < a39ecb856514274c80d0fac4d128dba6b266a8ed
- affected 076a0ca02644657b13e4af363f487ced2942e9cb – < 241ccd2fed9051db443aadce248fc0ab30f55e97
- affected 3.4
- unaffected < 3.4
- unaffected 5.10.271 – ≤ 5.10.*
- unaffected 5.15.222 – ≤ 5.15.*
- unaffected 6.1.189 – ≤ 6.1.*
- unaffected 6.6.158 – ≤ 6.6.*
- unaffected 6.12.111 – ≤ 6.12.*
- unaffected 6.18.53 – ≤ 6.18.*
- unaffected 7.2 – ≤ *
References
References7
- https://git.kernel.org/stable/c/39cb6ff947c16a576ea68c5f272e634acdcb0085 (opens in a new tab)
- https://git.kernel.org/stable/c/90545aa07a183887e9d72ce573c18e08f62e2c91 (opens in a new tab)
- https://git.kernel.org/stable/c/9c11d7ea5ff4dbe162e79f00188814ef5483c295 (opens in a new tab)
- https://git.kernel.org/stable/c/b7f3ee925aee9f1f547d539bc03c35433c238958 (opens in a new tab)
- https://git.kernel.org/stable/c/824397af7bfe14edad374c64253dae0187ca623d (opens in a new tab)
- https://git.kernel.org/stable/c/a39ecb856514274c80d0fac4d128dba6b266a8ed (opens in a new tab)
- https://git.kernel.org/stable/c/241ccd2fed9051db443aadce248fc0ab30f55e97 (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-108719 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-98873)Record last updated .