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Ubuntu Security Notice USN-6260-1

Posted Jul 27, 2023

Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6260-1 - It was discovered that the NTFS file system implementation in the Linux kernel did not properly check buffer indexes in certain situations, leading to an out-of-bounds read vulnerability. A local attacker could possibly use this to expose sensitive information. Stonejiajia, Shir Tamari and Sagi Tzadik discovered that the OverlayFS implementation in the Ubuntu Linux kernel did not properly perform permission checks in certain situations. A local attacker could possibly use this to gain elevated privileges.

tags | advisory, kernel, local

systems | linux, ubuntu

advisories | CVE-2022-48502, CVE-2023-2640, CVE-2023-3090, CVE-2023-31248, CVE-2023-3141, CVE-2023-32629, CVE-2023-3389, CVE-2023-3390, CVE-2023-35001

SHA-256 | a4384a0d58c965d16d9a12fe71bc79afb9b36f12a4660d6419a9dae8338f976a

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