CVE-2024-31143

HIGH EPSS 39.5%
Published Jul 18, 20241y ago · Modified Jun 17, 20262w ago
7.5 CVSS 3.1
High
Find Similar
Published Jul 18, 2024 1y ago
Last Modified Jun 17, 2026 2w ago

Description

An optional feature of PCI MSI called "Multiple Message" allows a device to use multiple consecutive interrupt vectors. Unlike for MSI-X, the setting up of these consecutive vectors needs to happen all in one go. In this handling an error path could be taken in different situations, with or without a particular lock held. This error path wrongly releases the lock even when it is not currently held.

CVSS Details

Base Score
7.5
Exploitability
1.6
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity High
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
39.5% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-832

Affected Products 1

VendorProductVersionRange
xenxen*≥4.4.0

References 3

  • openwall.com http://www.openwall.com/lists/oss-security/2024/07/16/3
    Mailing ListThird Party Advisory
  • xenbits.xen.org http://xenbits.xen.org/xsa/advisory-458.html
    PatchVendor Advisory
  • xenbits.xenproject.org https://xenbits.xenproject.org/xsa/advisory-458.html
    PatchVendor Advisory

Remediation