CVE-2021-3545: Infoleak
First published: Mon May 10 2021(Updated: )
An information disclosure vulnerability was found in the virtio vhost-user GPU device (vhost-user-gpu) of QEMU in versions up to and including 6.0. The flaw exists in virgl_cmd_get_capset_info() in contrib/vhost-user-gpu/virgl.c and could occur due to the read of uninitialized memory. A malicious guest could exploit this issue to leak memory from the host.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| QEMU qemu | <=6.0.0 | |
| Debian Debian Linux | =11.0 | |
| debian/qemu | 1:5.2+dfsg-11+deb11u3 1:5.2+dfsg-11+deb11u2 1:7.2+dfsg-7+deb12u7 1:9.2.0+ds-2 |
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Reference Links
- http://www.openwall.com/lists/oss-security/2021/05/31/1
- https://bugzilla.redhat.com/show_bug.cgi?id=1958955
- https://security.gentoo.org/glsa/202208-27
- https://security.netapp.com/advisory/ntap-20210720-0008/
- https://www.debian.org/security/2021/dsa-4980
- https://launchpad.net/bugs/cve/CVE-2021-3545
- https://lists.nongnu.org/archive/html/qemu-devel/2021-05/msg04536.html
- https://lists.nongnu.org/archive/html/qemu-devel/2021-05/msg04539.html
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1959053
- https://gitlab.com/qemu-project/qemu/-/commit/121841b2
- https://lists.nongnu.org/archive/html/qemu-devel/2021-05/msg01155.html
- https://lists.nongnu.org/archive/html/qemu-devel/2021-05/msg01153.html
- https://security-tracker.debian.org/tracker/CVE-2021-3545
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3545
- https://nvd.nist.gov/vuln/detail/CVE-2021-3545
- https://ubuntu.com/security/CVE-2021-3545
Frequently Asked Questions
What is the vulnerability ID for this information disclosure vulnerability?
The vulnerability ID for this information disclosure vulnerability is CVE-2021-3545.
What is the severity level of the CVE-2021-3545 vulnerability?
The severity level of the CVE-2021-3545 vulnerability is medium with a CVSS score of 6.5.
Which software versions are affected by the CVE-2021-3545 vulnerability?
The CVE-2021-3545 vulnerability affects QEMU versions up to and including 6.0.
How can I fix the CVE-2021-3545 vulnerability?
To fix the CVE-2021-3545 vulnerability, update QEMU to version 6.2 or higher.
Where can I find more information about the CVE-2021-3545 vulnerability?
You can find more information about the CVE-2021-3545 vulnerability at the following references: [link1], [link2], [link3].
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