Nov. 28, 2023, 10:40 a.m. |

Ubuntu security notices ubuntu.com

It was discovered that the Xen netback driver in the Linux kernel did not
properly handle packets structured in certain ways. An attacker in a guest
VM could possibly use this to cause a denial of service (host NIC
availability).(CVE-2022-3643)

It was discovered that the virtual terminal driver in the Linux kernel
contained a use-after-free vulnerability. A local attacker could use this
to cause a denial of service (system crash) or possibly expose sensitive
information (kernel memory).(CVE-2023-3567)

It was discovered …

attacker availability cve denial of service driver host kernel linux linux kernel live nic notice packets patch security security notice service terminal virtual xen

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