HIGH 7.0 Microsoft
CVE-2026-43503
net: skbuff: propagate shared-frag marker through frag-transfer helpers
Microsoft Security Update 2026-May: net: skbuff: propagate shared-frag marker through frag-transfer helpers
Affected Products
- azl3 kernel 6.6.139.1-1 on Azure Linux 3.0
Remediation
$ sudo apt install --only-upgrade linux-kernelReferences
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-43503
- https://nvd.nist.gov/vuln/detail/CVE-2026-43503
This high severity vulnerability with a CVSS score of 7.0 was published on 2026-05-12 via Microsoft. A remediation command is available below. Affected: azl3 kernel 6.6.139.1-1 on Azure Linux 3.0.
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