Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 2 |
CVE-ID | CVE-2024-31143 CVE-2024-31144 |
CWE-ID | CWE-667 CWE-74 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
Xen Server applications / Virtualization software |
Vendor | Xen Project |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
EUVDB-ID: #VU94499
Risk: Medium
CVSSv3.1: 5.9 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2024-31143
CWE-ID:
CWE-667 - Improper Locking
Exploit availability: No
DescriptionThe vulnerability allows a malicious guest to perform a denial of service (DoS) attack.
The vulnerability exists due to double unlock in x86 guest IRQ handling. An optional feature of PCI MSI called "Multiple Message" allows a device to use multiple consecutive interrupt vectors. A malicious guest can crash the hypervisor.
Install updates from vendor's website.
Vulnerable software versionsXen: 4.4.0 - 4.4.4
External linkshttp://xenbits.xen.org/xsa/advisory-458.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU94498
Risk: Medium
CVSSv3.1: 6.6 [CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2024-31144
Exploit availability: No
DescriptionThe vulnerability allows a malicious guest to compromise other guests.
The vulnerability exists due to improper validation of metadata in xapi when restoring data from backup. A malicious guest can manipulate disks to appear to be a metadata backup and trick the guest administrator to recover the system from a malicious backup.
Systems running Xapi v1.249.x are affected.
Install updates from vendor's website.
Vulnerable software versionsXen: All versions
External linkshttp://xenbits.xen.org/xsa/advisory-459.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.