Feb. 8, 2024, 12:09 a.m. |

Ubuntu security notices ubuntu.com

Quentin Minster discovered that a race condition existed in the KSMBD
implementation in the Linux kernel when handling sessions operations. A
remote attacker could use this to cause a denial of service (system crash)
or possibly execute arbitrary code. (CVE-2023-32250, CVE-2023-32252,

Marek Marczykowski-Górecki discovered that the Xen event channel
infrastructure implementation in the Linux kernel contained a race
condition. An attacker in a guest VM could possibly use this to cause a
denial of service (paravirtualized device unavailability). (CVE-2023-34324) …

arbitrary code attacker channel code crash cve denial of service event handling implementation infrastructure kernel ksmbd linux linux kernel linux kernel vulnerabilities operations race race condition service sessions system usn vulnerabilities xen

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