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Vendor advisories

Microsoft Security Response Center

Browse 15,972 advisories from this official source. Search by product, CVE, severity, or advisory ID.

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15,972 advisories

Each date says whether the vendor published or updated the bulletin. A vendor bulletin describes products that may be affected. It does not prove that the vulnerable product or version is installed in your environment.

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Microsoft Security Response CenterCVE-2025-38215
MediumCVSS 5.5

fbdev: Fix do_register_framebuffer to prevent null-ptr-deref in fb_videomode_to_var

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 mos...

Affected productsazl3 kernel 6.6.96.1-1 on Azure Linux 3.0, 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
Fixed versions6.6.96.1-1
Vendor guidance

CBL-Mariner Releases Release Notes

CVE-2025-38215
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2025-38198
HighCVSS 7.8

fbcon: Make sure modelist not set on unregistered console

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 mos...

Affected productscbl2 kernel 5.15.186.1-1 on CBL Mariner 2.0, cbl2 kernel 5.15.202.1-1 on CBL-Mariner 2.0, azl3 kernel 6.6.92.2-2 on Azure Linux 3.0, cbl2 kernel 5.15.200.1-1 on CBL Mariner 2.0
Fixed versions6.6.96.1-1
Vendor guidance

Release Notes CBL-Mariner Releases

CVE-2025-38198
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2025-38062
MediumCVSS 7.8

genirq/msi: Store the IOMMU IOVA directly in msi_desc instead of iommu_cookie

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 mos...

Affected productsazl3 kernel 6.6.96.1-1 on Azure Linux 3.0, azl3 kernel 6.6.92.2-2 on Azure Linux 3.0, cbl2 kernel 5.15.186.1-1 on CBL Mariner 2.0, cbl2 kernel 5.15.200.1-1 on CBL Mariner 2.0
Fixed versions6.6.96.1-1
Vendor guidance

CBL-Mariner Releases Release Notes

CVE-2025-38062
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2025-38709
MediumCVSS 7.0

loop: Avoid updating block size under exclusive owner

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 mos...

Affected productsazl3 kernel 6.6.96.2-2 on Azure Linux 3.0, 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
Fixed versions6.6.104.2-1
Vendor guidance

CBL-Mariner Releases Release Notes

CVE-2025-38709
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2025-38704
MediumCVSS 6.3

rcu/nocb: Fix possible invalid rdp's->nocb_cb_kthread pointer access

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 mos...

Affected productsazl3 kernel 6.6.96.2-1 on Azure Linux 3.0, azl3 kernel 6.6.96.2-2 on Azure Linux 3.0, azl3 kernel 6.6.112.1-2 on Azure Linux 3.0, azl3 kernel 6.6.117.1-1 on Azure Linux 3.0
Vendor guidance

Release Notes

CVE-2025-38704
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2026-34003
MediumCVSS 7.1

Xorg: xwayland: x.org x server: information exposure and denial of service via out-of-bounds memory access

Mariner

Affected productscbl2 xorg-x11-server 1.20.10-16, cbl2 xorg-x11-server 1.20.10-16 on CBL Mariner 2.0, azl3 xorg-x11-server-Xwayland 24.1.6-3 on Azure Linux 3.0, azl3 xorg-x11-server-Xwayland 24.1.6-4 on Azure Linux 3.0
Fixed versions24.1.6-4
Vendor guidance

CBL-Mariner Releases Release Notes

CVE-2026-34003
Read the vendor advisory Watch this product
Microsoft Security Response CenterCVE-2025-38449
MediumCVSS 7.0

drm/gem: Acquire references on GEM handles for framebuffers

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 mos...

Affected productsazl3 kernel 6.6.96.2-1 on Azure Linux 3.0, 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
Fixed versions6.6.104.2-1
Vendor guidance

Release Notes CBL-Mariner Releases

CVE-2025-38449
Read the vendor advisory Watch this product
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Confirm the installed product and version, read the linked vendor guidance, and test the recommended update or mitigation through your normal change process.

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