Sept. 19, 2023, 5:42 p.m. |

Ubuntu security notices ubuntu.com

Jana Hofmann, Emanuele Vannacci, Cedric Fournet, Boris Kopf, and Oleksii
Oleksenko discovered that some AMD processors could leak stale data from
division operations in certain situations. A local attacker could possibly
use this to expose sensitive information. (CVE-2023-20588)

Lonial Con discovered that the netfilter subsystem in the Linux kernel
contained a memory leak when handling certain element flush operations. A
local attacker could use this to expose sensitive information (kernel
memory). (CVE-2023-4569)

amd attacker con cve data expose handling information kernel leak linux linux kernel local memory memory leak netfilter oem operations processors sensitive sensitive information subsystem usn vulnerabilities

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