Red Hat Security Advisory 2021-4191-03 - Kernel-based Virtual Machine offers a full virtualization solution for Linux on numerous hardware platforms. The virt:rhel module contains packages which provide user-space components used to run virtual machines using KVM. The packages also provide APIs for managing and interacting with the virtualized systems. Issues addressed include information leakage and use-after-free vulnerabilities.
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Ubuntu Security Notice 5009-2 - USN-5009-1 fixed vulnerabilities in libslirp. This update provides the corresponding updates for Ubuntu 21.10. Qiuhao Li discovered that libslirp incorrectly handled certain header data lengths. An attacker inside a guest could possibly use this issue to leak sensitive information from the host. This issue only affected Ubuntu 20.04 LTS and Ubuntu 20.10. It was discovered that libslirp incorrectly handled certain udp packets. An attacker inside a guest could possibly use this issue to leak sensitive information from the host. Various other issues were also addressed.
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Gentoo Linux Security Advisory 202107-44 - Multiple vulnerabilities have been found in libslirp, the worst of which could result in a Denial of Service condition. Versions less than 4.6.0 are affected.
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