CVE-2026-98321: netfilter: nf_nat: unregister and release hooks on error
netfilter: nf_nat: unregister and release hooks on error
- Published by source
- 2026-10-13
- First seen by Reality Radar
- 2026-10-22
- Last verified
- 2026-10-22
Affected
- Manufacturer
- Microsoft
- Products
- azl3 kernel 6.6.157.1-1 on Azure Linux 3.0
- CPE
- cpe:2.3:a:microsoft:azl3_kernel_6.6.157.1-1:*:*:*:*:*:*:*:*
Whether your exact unit is affected depends on the model, serial number and region in the official notice.
What the official notice says
Risk: Critical
Remedy / actions:
- Install the latest Microsoft security update
Is this affecting you?
Add what you own or use and Reality Radar will tell you when official changes match it — with evidence and next steps.
Sources
- Microsoft Security Update Guide (MSRC) Tier A · official published 2026-10-13
Evidence ledger
Every piece of evidence we store is appended to a public hash chain, so later edits are detectable. Anyone can re-verify it.
| Entry | Kind | Observed | Evidence hash | Entry hash |
|---|---|---|---|---|
| #262 | new | 2026-10-22 | caff994799fd…bf773e | 5414f0e51c23…fa0e18 |
Chain head: #1076 8ad5adc30b9b…88ce20