netfilter: nf_tables: avoid chain re-validation if possible

Mariner

Read the vendor bulletin Get alerts for cbl2 kernel 5.15.186.1-1 on CBL Mariner

5.5CVSS out of 10Medium severity

Scope

What the vendor says is affected

cbl2 kernel 5.15.186.1-1 on CBL Mariner 2.0
cbl2 kernel 5.15.200.1-1 on CBL Mariner 2.0
cbl2 kernel 5.15.202.1-1 on CBL Mariner 2.0
cbl2 kernel 5.15.202.1-1 on CBL-Mariner 2.0

Next step

What the vendor recommends

See the Microsoft Security Update Guide for the update that applies to your product.

Review the complete instructions on the vendor's site

Timeline

When this advisory changed

Feb 28, 2026 at 1:03 AM UTC
Published by Microsoft Security Response Center
The publication date reported by the vendor.
Sep 12, 2026 at 1:47 AM UTC
Updated by Microsoft Security Response Center
The vendor changed the advisory after it was first published.
Sep 29, 2026 at 11:40 AM UTC
Added to SecurityAlert
We collected the advisory from the official source.

Vulnerabilities

CVEs named in this advisory

CVE-2025-71160View CVSS, KEV, EPSS, and threat context

Source

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Vendor: Microsoft Security Response Center
Advisory ID: CVE-2025-71160
Last source check: Sep 29, 2026 at 11:40 AM UTC

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Your environment

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Confirm the product and installed version.
Read the vendor's prerequisites and exceptions.
Test the update or mitigation through your normal change process.

Watch cbl2 kernel 5.15.186.1-1 on CBL Mariner

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What the vendor says is affected

What the vendor recommends

When this advisory changed

CVEs named in this advisory

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