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Ubuntu Security Notice USN-5728-2

Posted Nov 21, 2022

Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5728-2 - Jann Horn discovered that the Linux kernel did not properly track memory allocations for anonymous VMA mappings in some situations, leading to potential data structure reuse. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that a race condition existed in the memory address space accounting implementation in the Linux kernel, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, denial of service, arbitrary, kernel, local

systems | linux, ubuntu

advisories | CVE-2022-20422, CVE-2022-2153, CVE-2022-2978, CVE-2022-29901, CVE-2022-3028, CVE-2022-3625, CVE-2022-3635, CVE-2022-39188, CVE-2022-40768, CVE-2022-41222, CVE-2022-42703, CVE-2022-42719

SHA-256 | c3624c07f86cdfd2b3713a4f62018465ad2c42db0469b2ff000d4ff889d73b83

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