CVE-2021-3544: CVE-2021-3544

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I. Basic Information for CVE-2021-3544

Vulnerability Information

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Vulnerability Title

N/A

Source: NVD (National Vulnerability Database)

Vulnerability Description

Several memory leaks were found in the virtio vhost-user GPU device (vhost-user-gpu) of QEMU in versions up to and including 6.0. They exist in contrib/vhost-user-gpu/vhost-user-gpu.c and contrib/vhost-user-gpu/virgl.c due to improper release of memory (i.e., free) after effective lifetime.

Source: NVD (National Vulnerability Database)

CVSS Information

N/A

Source: NVD (National Vulnerability Database)

Vulnerability Type

在移除最后引用时对内存的释放不恰当(内存泄露)

Source: NVD (National Vulnerability Database)

Vulnerability Title

QEMU 安全漏洞

Source: CNNVD (China National Vulnerability Database)

Vulnerability Description

QEMU（Quick Emulator）是法国法布里斯-贝拉（Fabrice Bellard）个人开发者的一套模拟处理器软件。该软件具有速度快、跨平台等特点。 QEMU 存在安全漏洞。该漏洞源于 vhost-user-gpu/vhost-user-gpu.c存在内存泄漏。以下产品及版本受到影响：QEMU: 5.0.0, 5.0.1, 5.1.0, 5.2.0, 6.0.0。

Source: CNNVD (China National Vulnerability Database)

CVSS Information

N/A

Source: CNNVD (China National Vulnerability Database)

Vulnerability Type

N/A

Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
-	QEMU	All QEMU versions up to and including 6.0	-

II. Public POCs for CVE-2021-3544

#	POC Description	Source Link	Shenlong Link
1	POC for CVE-2021-3544 based on https://www.exploit-db.com/exploits/49601	https://github.com/Goultarde/CVE-2021-3544_RemoteMouse-3.008-RCE	POC Details

AI-Generated POCPremium

No public POC found.

III. Intelligence Information for CVE-2021-3544

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https://security.netapp.com/advisory/ntap-20210720-0008/x_refsource_CONFIRM
https://bugzilla.redhat.com/show_bug.cgi?id=1958935x_refsource_MISC
https://www.debian.org/security/2021/dsa-4980vendor-advisoryx_refsource_DEBIAN
https://security.gentoo.org/glsa/202208-27vendor-advisoryx_refsource_GENTOO
http://www.openwall.com/lists/oss-security/2021/05/31/1mailing-listx_refsource_MLIST
https://nvd.nist.gov/vuln/detail/CVE-2021-3544

IV. Related Vulnerabilities

Same product: QEMU

Same vendor: n/a

Same weakness: CWE-401

V. Comments for CVE-2021-3544

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I. Basic Information for CVE-2021-3544

Vulnerability Information

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Affected Products

II. Public POCs for CVE-2021-3544

III. Intelligence Information for CVE-2021-3544

IV. Related Vulnerabilities

V. Comments for CVE-2021-3544

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