Microsoft Security Response CenterCVE-2025-2295

Potential iSCSI R2T PDU Vulnerability

Is Azure Linux the only Microsoft product that includes this open-source library and is therefore potentially affected by this vulnerability? One of the main benefits to our customers who choose to use the Azure Linux distro is the commitment to keep it up to date with the most recent and most secure versions of the open source libraries with which the distro is composed. Microsoft is committed to transparency in this work which is why we began publishing CSAF/VEX in October 2025. See this blog post for more information. If impact to additional products is identified, we will update the CVE to reflect this.

Read the vendor bulletin Get alerts for cbl2 edk2 20230301gitf80f052277c8-42 on CBL Mariner

3.5CVSS out of 10Low severity

Scope

What the vendor says is affected

cbl2 edk2 20230301gitf80f052277c8-42 on CBL Mariner 2.0
cbl2 edk2 20230301gitf80f052277c8-43 on CBL Mariner 2.0
cbl2 hvloader 1.0.1-14 on CBL Mariner 2.0
cbl2 edk2 20230301gitf80f052277c8-44 on CBL Mariner 2.0
cbl2 hvloader 1.0.1-15 on CBL Mariner 2.0
cbl2 hvloader 1.0.1-16 on CBL Mariner 2.0
azl3 edk2 20240524git3e722403cd16-9 on Azure Linux 3.0
cbl2 hvloader 1.0.1-13 on CBL Mariner 2.0
azl3 edk2 20240524git3e722403cd16-10 on Azure Linux 3.0
azl3 edk2 20240524git3e722403cd16-11 on Azure Linux 3.0
azl3 edk2 20240524git3e722403cd16-14 on Azure Linux 3.0
cbl2 edk2 20230301gitf80f052277c8-45 on CBL Mariner 2.0
cbl2 edk2 20230301gitf80f052277c8-45 on CBL-Mariner 2.0
cbl2 hvloader 1.0.1-16 on CBL-Mariner 2.0

Versions the vendor lists as fixed

1.0.1-16
20240524git3e722403cd16-14
20230301gitf80f052277c8-45

Next step

What the vendor recommends

CBL-Mariner Releases

Review the complete instructions on the vendor's site

Timeline

When this advisory changed

Sep 4, 2025 at 1:04 AM UTC
Published by Microsoft Security Response Center
The publication date reported by the vendor.
Aug 12, 2026 at 10:59 PM UTC
Updated by Microsoft Security Response Center
The vendor changed the advisory after it was first published.
Sep 30, 2026 at 12:00 PM UTC
Added to SecurityAlert
We collected the advisory from the official source.

Vulnerabilities

CVEs named in this advisory

CVE-2025-2295View CVSS, KEV, EPSS, and threat context

Source

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Vendor: Microsoft Security Response Center
Advisory ID: CVE-2025-2295
Last source check: Sep 30, 2026 at 12:00 PM UTC

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Your environment

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Test the update or mitigation through your normal change process.

Watch cbl2 edk2 20230301gitf80f052277c8-42 on CBL Mariner

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What the vendor says is affected

Versions the vendor lists as fixed

What the vendor recommends

When this advisory changed

CVEs named in this advisory

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