openEuler 20.03 LTS SP4 update for qemu

1) Improper synchronization

EUVDB-ID: #VU96080

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-7409

CWE-ID: CWE-662 - Improper Synchronization

Exploit availability: No

Description

The vulnerability allows a malicious guest to perform a denial of service (DoS) attack.

The vulnerability exists due to improper synchronization during socket closure in the QEMU NBD Server. A malicious guest can perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP4

qemu-seabios: before 4.1.0-86

qemu-help: before 4.1.0-86

qemu-img: before 4.1.0-86

qemu-guest-agent: before 4.1.0-86

qemu-debugsource: before 4.1.0-86

qemu-debuginfo: before 4.1.0-86

qemu-block-ssh: before 4.1.0-86

qemu-block-rbd: before 4.1.0-86

qemu-block-iscsi: before 4.1.0-86

qemu-block-curl: before 4.1.0-86

qemu: before 4.1.0-86

CPE2.3

• cpe:2.3:o:openeuler:openeuler:20.03:LTS SP4:*:*:*:*:*:

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2024-1988

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.