CVE-2026-98573: net: skbuff: fix pull-bound underflow in skb_checksum_setup_ipv6()
net: skbuff: fix pull-bound underflow in skb_checksum_setup_ipv6()
- 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 |
|---|---|---|---|---|
| #290 | new | 2026-10-22 | 8dbcbffa709d…26c653 | 2619a323c8d7…3f8e9c |
Chain head: #1076 8ad5adc30b9b…88ce20