CVE-2021-3582: Buffer Overflow
First published: Mon May 31 2021(Updated: )
A flaw was found in QEMU. Because pvrdma unproperly mremap, a VM escape may be caused.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| QEMU qemu | <2.17.2 | |
| Debian Debian Linux | =10.0 | |
| redhat/qemu | <2.17.2 | 2.17.2 |
| 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
- https://bugzilla.redhat.com/show_bug.cgi?id=1966266
- https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html
- https://security.gentoo.org/glsa/202208-27
- https://security.netapp.com/advisory/ntap-20220429-0003/
- https://launchpad.net/bugs/cve/CVE-2021-3582
- https://lists.nongnu.org/archive/html/qemu-devel/2021-06/msg04148.html
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1973144
- https://access.redhat.com/security/cve/cve-2021-3582
- https://git.qemu.org/?p=qemu.git;a=commit;h=284f191b4abad213aed04cb0458e1600fd18d7c4
- https://security-tracker.debian.org/tracker/CVE-2021-3582
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3582
- https://nvd.nist.gov/vuln/detail/CVE-2021-3582
- https://ubuntu.com/security/CVE-2021-3582
Frequently Asked Questions
What is CVE-2021-3582?
CVE-2021-3582 is a vulnerability found in the QEMU implementation of VMWare's paravirtual RDMA device, which allows a malicious guest to crash the QEMU process on the host.
What is the severity of CVE-2021-3582?
The severity of CVE-2021-3582 is medium.
Which software versions are affected by CVE-2021-3582?
QEMU versions up to but excluding 2.17.2, Debian Linux 10.0, Red Hat QEMU versions up to but excluding 2.17.2, and various Ubuntu QEMU versions are affected.
How can I fix CVE-2021-3582?
Update QEMU to version 2.17.2 or later, or apply the necessary patches provided by the respective software vendors.
What is the Common Weakness Enumeration (CWE) associated with CVE-2021-3582?
The Common Weakness Enumeration (CWE) associated with CVE-2021-3582 is CWE-119.
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