CVE-2026-98321
netfilter: nf_nat: unregister and release hooks on error
No known exploitation. EPSS puts it in the 6th percentile. Fixed versions are out.
What to do
Find your product and version, then upgrade to the build on the right.
- LinuxAffected: ≥ 1cd472bf036ca038e783ef5f058f54e45b7e8180, < 79084567cd082fb4482e1ea457580e7d6504dd99Upgrade to: 79084567cd082fb4482e1ea457580e7d6504dd99Affected: ≥ 1cd472bf036ca038e783ef5f058f54e45b7e8180, < df80342f4bfc023ad7d6703df5e27f583ff0cb8dUpgrade to: df80342f4bfc023ad7d6703df5e27f583ff0cb8dAffected: ≥ 1cd472bf036ca038e783ef5f058f54e45b7e8180, < cbdd39ce42530a193c56beb206a3356cb6d01016Upgrade to: cbdd39ce42530a193c56beb206a3356cb6d01016Stated by: CVE record
Versions as the sources state them. Full version matrix after sign-in
What it is
From the CVE record
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_nat: unregister and release hooks on error If nf_hook_entries_insert_raw() fails, the NAT hooks get never released, resulting in a memleak. Postpone setting nat_proto_net->nat_hook_ops when the hooks are registered to simplify the error path to decide whether the nat hooks need unwinding.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
0.2% chance of exploitation activity in the next 30 days, which ranks it in the 6th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
2 events over 0 days, from the signal feeds we watch.
- Publishedrecord updated
Affected products
Sources
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