Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2022-4144 |
CWE-ID | CWE-125 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software |
openEuler Operating systems & Components / Operating system qemu-seabios Operating systems & Components / Operating system package or component qemu-help Operating systems & Components / Operating system package or component qemu-debugsource Operating systems & Components / Operating system package or component qemu-block-ssh Operating systems & Components / Operating system package or component qemu-block-curl Operating systems & Components / Operating system package or component qemu-img Operating systems & Components / Operating system package or component qemu-debuginfo Operating systems & Components / Operating system package or component qemu-guest-agent Operating systems & Components / Operating system package or component qemu-block-rbd Operating systems & Components / Operating system package or component qemu-block-iscsi Operating systems & Components / Operating system package or component qemu Operating systems & Components / Operating system package or component |
Vendor | openEuler |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU71136
Risk: Medium
CVSSv4.0: 2.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2022-4144
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe vulnerability allows a malicious guest user to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition within the qxl_phys2virt() function in the QXL display device emulation in QEMU. A malicious guest user can trigger an out-of-bounds read error and crash the QEMU process on the host
MitigationInstall updates from vendor's repository.
Vulnerable software versionsopenEuler: 20.03 LTS SP1 - 22.03 LTS
qemu-seabios: before 4.1.0-72
qemu-help: before 4.1.0-72
qemu-debugsource: before 4.1.0-72
qemu-block-ssh: before 4.1.0-72
qemu-block-curl: before 4.1.0-72
qemu-img: before 4.1.0-72
qemu-debuginfo: before 4.1.0-72
qemu-guest-agent: before 4.1.0-72
qemu-block-rbd: before 4.1.0-72
qemu-block-iscsi: before 4.1.0-72
qemu: before 4.1.0-72
CPE2.3https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-2136
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.