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Ubuntu Security Notice USN-5562-1

Posted Aug 10, 2022

Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5562-1 - Zhenpeng Lin discovered that the network packet scheduler implementation in the Linux kernel did not properly remove all references to a route filter before freeing it in some situations. A local attacker could use this to cause a denial of service or execute arbitrary code. It was discovered that the netfilter subsystem of the Linux kernel did not prevent one nft object from referencing an nft set in another nft table, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or execute arbitrary code.

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

systems | linux, ubuntu

advisories | CVE-2022-0494, CVE-2022-1048, CVE-2022-1652, CVE-2022-1679, CVE-2022-1734, CVE-2022-1974, CVE-2022-1975, CVE-2022-2586, CVE-2022-2588, CVE-2022-28893, CVE-2022-34918

SHA-256 | c885f38b774059929fa7229f706f1468b065d9a0e066149d46b5f404b4fda36c

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