netfilter: nf_tables: fix use-after-free in nf_tables_addchain()
CVE-2026-23231
Scope
What the vendor says is affected
- azl3 libsoup 3.4.4-11 on Azure Linux 3.0
- cbl2 libsoup 3.0.4-10 on CBL Mariner 2.0
- cbl2 libsoup 3.0.4-12 on CBL Mariner 2.0
- azl3 libsoup 3.4.4-14 on Azure Linux 3.0
- cbl2 libsoup 3.0.4-13 on CBL-Mariner 2.0
- azl3 libsoup 3.4.4-12 on Azure Linux 3.0
- cbl2 libsoup 3.0.4-13 on CBL Mariner 2.0
Versions the vendor lists as fixed
- 3.4.4-14
- 3.0.4-14
- 3.4.4-13
Next step
What the vendor recommends
CBL-Mariner Releases Release Notes
Review the complete instructions on the vendor's siteTimeline
When this advisory changed
- Published by Microsoft Security Response Center
The publication date reported by the vendor.
- Updated by Microsoft Security Response Center
The vendor changed the advisory after it was first published.
- Added to SecurityAlert
We collected the advisory from the official source.
Vulnerabilities