CVE-2024-31145 Affecting xen-tools-xendomains-wait-disk package, versions <4.17.5_02-150500.3.36.1


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.04% (11th percentile)

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  • Snyk IDSNYK-SLES155-XENTOOLSXENDOMAINSWAITDISK-7857129
  • published3 Sept 2024
  • disclosed2 Sept 2024

Introduced: 2 Sep 2024

CVE-2024-31145  (opens in a new tab)

How to fix?

Upgrade SLES:15.5 xen-tools-xendomains-wait-disk to version 4.17.5_02-150500.3.36.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream xen-tools-xendomains-wait-disk package and not the xen-tools-xendomains-wait-disk package as distributed by SLES. See How to fix? for SLES:15.5 relevant fixed versions and status.

Certain PCI devices in a system might be assigned Reserved Memory Regions (specified via Reserved Memory Region Reporting, "RMRR") for Intel VT-d or Unity Mapping ranges for AMD-Vi. These are typically used for platform tasks such as legacy USB emulation.

Since the precise purpose of these regions is unknown, once a device associated with such a region is active, the mappings of these regions need to remain continuouly accessible by the device. In the logic establishing these mappings, error handling was flawed, resulting in such mappings to potentially remain in place when they should have been removed again. Respective guests would then gain access to memory regions which they aren't supposed to have access to.

CVSS Scores

version 3.1