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Ubuntu Security Notice USN-6726-3

Posted Apr 17, 2024

Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6726-3 - Pratyush Yadav discovered that the Xen network backend implementation in the Linux kernel did not properly handle zero length data request, leading to a null pointer dereference vulnerability. An attacker in a guest VM could possibly use this to cause a denial of service. It was discovered that the IPv6 implementation of the Linux kernel did not properly manage route cache memory usage. A remote attacker could use this to cause a denial of service.

tags | advisory, remote, denial of service, kernel

systems | linux, ubuntu

advisories | CVE-2023-46838, CVE-2023-52340, CVE-2023-52436, CVE-2023-52438, CVE-2023-52439, CVE-2023-52444, CVE-2023-52445, CVE-2023-52449, CVE-2023-52451, CVE-2023-52454, CVE-2023-52470, CVE-2023-52612, CVE-2024-0607, CVE-2024-23851

SHA-256 | fbdef91004d190c96cf4e043eaae82ae1153ee17c38e14e93c908daa2a909e66

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