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USN-6441-3: Linux kernel vulnerabilities
Oct. 30, 2023, 4:10 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)
Kyle Zeng discovered that the networking stack implementation in the Linux
kernel did not properly validate skb object size in certain conditions. An
attacker could use …
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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