cve 2023 52656

About this tag
CVE-2023-52656 is a Linux kernel vulnerability in the io_uring subsystem, specifically involving the removal of code related to passing file descriptors via SCM_RIGHTS. Microsoft's advisory notes that Azure Linux includes the affected open-source library and is potentially impacted, but the scope is limited to that product. The vulnerability is largely a dead-code cleanup after the kernel stopped supporting the feature. Discussions on WindowsForum clarify the technical details and the narrow scope of Microsoft's disclosure, helping users understand the actual risk and relevance to their systems.

  1. CVE-2023-52656 Explained: Azure Linux Attestation and io_uring Cleanup

    Microsoft’s brief MSRC note — that “Azure Linux includes this open‑source library and is therefore potentially affected” — is accurate for the product Microsoft checked, but it is deliberately scoped: an attestation that Azure Linux contains the upstream io_uring code path in question, not a...
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    • azure linux cve 2023 52656 io_uring linux kernel
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    • Forum: Security Alerts