SB2025070904 - XenServer update for transient execution vulnerabilities

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Main Vulnerability Database SB2025070904

SB2025070904 - XenServer update for transient execution vulnerabilities

Published: July 9, 2025

Security Bulletin ID SB2025070904
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Information exposure through microarchitectural state after transient execution (CVE-ID: CVE-2024-36350)

CWE-ID: CWE-1342 - Information Exposure through Microarchitectural State after Transient Execution

CVSSv4: CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to information leak. A local user can obtain sensitive data from previous stores.


2) Information exposure through microarchitectural state after transient execution (CVE-ID: CVE-2024-36357)

CWE-ID: CWE-1342 - Information Exposure through Microarchitectural State after Transient Execution

CVSSv4: CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to information leak. A local user can obtain sensitive data from the L1D cache.


Remediation

Install update from vendor's website.

References