CVE-2025-38201netfilter: nft_set_pipapo: clamp maximum map bucket size to INT_MAX
- 7.8HighCVSS base score
- 0.24%Exploitation in 30 daysEPSS · top 85% 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: nft_set_pipapo: clamp maximum map bucket size to INT_MAX Otherwise, it is possible to hit WARN_ON_ONCE in __kvmalloc_node_noprof() when resizing hashtable because __GFP_NOWARN is unset. Similar to: b541ba7d1f5a ("netfilter: conntrack: clamp maximum hashtable size to INT_MAX")
Timeline
ID reserved
By Linux
- 3 months later
· 3 months later
Published
- 16 months later
· 16 months 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
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.24% · top 85% of all CVEs (12 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Affected products
- affected 3c4287f62044a90e73a561aa05fc46e62da173da – < 1fe27f97944017a9d3c5af4d6d95282bff0f1147
- affected 3c4287f62044a90e73a561aa05fc46e62da173da – < 4abccfb61f422300be014b8e734c63344306f009
- affected 3c4287f62044a90e73a561aa05fc46e62da173da – < 80417057ac60dd80f4816eb426e4e4a5bf696534
- affected 3c4287f62044a90e73a561aa05fc46e62da173da – < df524a68d9021c1401965d610bb6e42ee5d9611e
- affected 3c4287f62044a90e73a561aa05fc46e62da173da – < 0ab3de047808f375a36cd345225572eb3366f3c6
- affected 3c4287f62044a90e73a561aa05fc46e62da173da – < d2768016f091f8a5264076b433fd7c3fabb6eb97
- affected 3c4287f62044a90e73a561aa05fc46e62da173da – < b85e3367a5716ed3662a4fe266525190d2af76df
- affected 5.6
- unaffected < 5.6
- unaffected 5.10.250 – ≤ 5.10.*
- unaffected 5.15.200 – ≤ 5.15.*
- unaffected 6.1.163 – ≤ 6.1.*
- unaffected 6.6.124 – ≤ 6.6.*
- unaffected 6.12.35 – ≤ 6.12.*
- unaffected 6.15.4 – ≤ 6.15.*
- unaffected 6.16 – ≤ *
References
References10
- https://git.kernel.org/stable/c/1fe27f97944017a9d3c5af4d6d95282bff0f1147 (opens in a new tab)
- https://git.kernel.org/stable/c/4abccfb61f422300be014b8e734c63344306f009 (opens in a new tab)
- https://git.kernel.org/stable/c/80417057ac60dd80f4816eb426e4e4a5bf696534 (opens in a new tab)
- https://git.kernel.org/stable/c/df524a68d9021c1401965d610bb6e42ee5d9611e (opens in a new tab)
- https://git.kernel.org/stable/c/0ab3de047808f375a36cd345225572eb3366f3c6 (opens in a new tab)
- https://git.kernel.org/stable/c/d2768016f091f8a5264076b433fd7c3fabb6eb97 (opens in a new tab)
- https://git.kernel.org/stable/c/b85e3367a5716ed3662a4fe266525190d2af76df (opens in a new tab)
- https://cert-portal.siemens.com/productcert/html/ssa-082556.html (opens in a new tab)
- https://cert-portal.siemens.com/productcert/html/ssa-019113.html (opens in a new tab)
- https://cert-portal.siemens.com/productcert/html/ssa-457936.html (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-2025-20055 (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-2025-38201)Record last updated .