Risk | Low |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2022-33743 |
CWE-ID | CWE-399 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
Xen Server applications / Virtualization software |
Vendor | Xen Project |
Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU65841
Risk: Low
CVSSv3.1: 2.4 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-33743
CWE-ID:
CWE-399 - Resource Management Errors
Exploit availability: No
DescriptionThe vulnerability allows a malicious network backend to perform a denial of service (DoS) attack.
The vulnerability exists due to an error in eXpress Data Path support implementation in Xen, allowing Linux netfront to use freed SKBs. A malicious network backend can cause denial of service on the guest OS.
Install updates from vendor's website.
Vulnerable software versionsXen: All versions
External linkshttp://xenbits.xenproject.org/xsa/advisory-405.txt
http://xenbits.xen.org/xsa/advisory-405.html
http://www.openwall.com/lists/oss-security/2022/07/05/5
http://www.debian.org/security/2022/dsa-5191
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.