Feb. 9, 2024, 12:04 p.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,
CVE-2023-32257)

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 intel kernel ksmbd linux linux kernel operations race race condition service sessions system usn vulnerabilities xen

Red Team Penetration Tester and Operator, Junior

@ Booz Allen Hamilton | USA, VA, McLean (1500 Tysons McLean Dr)

Director, Security Operations & Risk Management

@ Live Nation Entertainment | Toronto, ON

IT and Security Specialist APAC (F/M/D)

@ Flowdesk | Singapore, Singapore, Singapore

Senior Security Controls Assessor

@ Capgemini | Washington, DC, District of Columbia, United States; McLean, Virginia, United States

GRC Systems Solution Architect

@ Deloitte | Midrand, South Africa

Cybersecurity Subject Matter Expert (SME)

@ SMS Data Products Group, Inc. | Fort Belvoir, VA, United States