CVE-2022-26354
First published: Fri Mar 11 2022(Updated: )
A flaw was found in the vhost-vsock device of QEMU. In case of error, an invalid element was not detached from the virtqueue before freeing its memory, leading to memory leakage and other unexpected results. Affected QEMU versions <= 6.2.0.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| QEMU qemu | <=6.2.0 | |
| Debian Debian Linux | =9.0 | |
| Debian Debian Linux | =10.0 | |
| debian/qemu | 1:5.2+dfsg-11+deb11u3 1:5.2+dfsg-11+deb11u2 1:7.2+dfsg-7+deb12u7 1:9.1.1+ds-2 1:9.1.1+ds-4 |
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Reference Links
- https://gitlab.com/qemu-project/qemu/-/commit/8d1b247f3748ac4078524130c6d7ae42b6140aaf
- https://lists.debian.org/debian-lts-announce/2022/04/msg00002.html
- https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html
- https://security.gentoo.org/glsa/202208-27
- https://security.netapp.com/advisory/ntap-20220425-0003/
- https://www.debian.org/security/2022/dsa-5133
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2063258
- https://access.redhat.com/errata/RHSA-2022:5002
- https://access.redhat.com/errata/RHSA-2022:5263
- https://access.redhat.com/errata/RHSA-2022:5821
- https://access.redhat.com/security/cve/cve-2022-26354
- https://bugzilla.redhat.com/show_bug.cgi?id=2063257
- https://launchpad.net/bugs/cve/CVE-2022-26354
- https://security-tracker.debian.org/tracker/CVE-2022-26354
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-26354
- https://nvd.nist.gov/vuln/detail/CVE-2022-26354
- https://ubuntu.com/security/CVE-2022-26354
Frequently Asked Questions
What is the vulnerability ID of this flaw?
The vulnerability ID of this flaw is CVE-2022-26354.
What is the affected software?
The affected software includes QEMU versions <= 6.2.0, Debian Linux 9.0, Debian Linux 10.0, and certain versions of the QEMU package on Ubuntu and Debian.
What is the severity of CVE-2022-26354?
The severity of CVE-2022-26354 is low, with a severity value of 3.2.
What are the potential consequences of this vulnerability?
The potential consequences of this vulnerability include memory leakage and other unexpected results.
How can I fix CVE-2022-26354?
To fix CVE-2022-26354, you should update to a version of QEMU that is greater than 6.2.0, or apply the appropriate security patches for your operating system.
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