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Ubuntu Security Notice USN-6090-1
Posted May 19, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6090-1 - It was discovered that some AMD x86-64 processors with SMT enabled could speculatively execute instructions using a return address from a sibling thread. A local attacker could possibly use this to expose sensitive information. Zheng Wang discovered that the Intel i915 graphics driver in the Linux kernel did not properly handle certain error conditions, leading to a double-free. A local attacker could possibly use this to cause a denial of service.

tags | advisory, denial of service, x86, kernel, local
systems | linux, ubuntu
advisories | CVE-2022-27672, CVE-2022-3707, CVE-2023-0459, CVE-2023-1075, CVE-2023-1078, CVE-2023-1118, CVE-2023-1513, CVE-2023-20938, CVE-2023-2162, CVE-2023-32269
SHA-256 | addcf4276faba9380882f43f0aa2701ba3c30a4872d00370de9952686c9ccc54

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