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Ubuntu Security Notice USN-6454-2
Posted Oct 31, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6454-2 - Kyle Zeng discovered that the netfilter subsystem in the Linux kernel contained a race condition in IP set operations in certain situations. A local attacker could use this to cause a denial of service. Alex Birnberg discovered that the netfilter subsystem in the Linux kernel did not properly validate register length, leading to an out-of- bounds write vulnerability. A local attacker could possibly use this to cause a denial of service.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2023-42756, CVE-2023-4881, CVE-2023-4921, CVE-2023-5197
SHA-256 | 45adc50792bf0b58826ae5e3cb21377f79bbfea5839827a138bd1a00889891ed

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