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USN-6446-2: Linux kernel vulnerabilities
Oct. 24, 2023, 1:22 p.m. |
Ubuntu security notices ubuntu.com
kernel did not properly handle certain unusual packets from a
paravirtualized network frontend, leading to a buffer overflow. An attacker
in a guest VM could use this to cause a denial of service (host system
crash) or possibly execute arbitrary code. (CVE-2023-34319)
Bien Pham discovered that the netfiler subsystem in the Linux kernel
contained a race condition, leading to a use-after-free vulnerability. A
local user could use this …
arbitrary code attacker backend buffer buffer overflow code crash cve denial of service driver frontend host kernel linux linux kernel network overflow packets service system usn vulnerabilities xen
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