Buffer Overflow Affecting qemu-kvm package, versions <10:1.5.3-141.el7
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-CENTOS7-QEMUKVM-2084406
- published26 Jul 2021
- disclosed1 Dec 2016
Introduced: 1 Dec 2016
CVE-2017-2633 (opens in a new tab)How to fix?
Upgrade Centos:7 qemu-kvm to version 10:1.5.3-141.el7 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream qemu-kvm package and not the qemu-kvm package as distributed by Centos.
See How to fix? for Centos:7 relevant fixed versions and status.
An out-of-bounds memory access issue was found in Quick Emulator (QEMU) before 1.7.2 in the VNC display driver. This flaw could occur while refreshing the VNC display surface area in the 'vnc_refresh_server_surface'. A user inside a guest could use this flaw to crash the QEMU process.
References
- http://www.securityfocus.com/bid/96417
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2633
- https://git.qemu.org/?p=qemu.git;a=commitdiff;h=9f64916da20eea67121d544698676295bbb105a7
- https://git.qemu.org/?p=qemu.git;a=commitdiff;h=bea60dd7679364493a0d7f5b54316c767cf894ef
- https://access.redhat.com/security/cve/CVE-2017-2633
- http://www.openwall.com/lists/oss-security/2017/02/23/1
- https://access.redhat.com/errata/RHSA-2017:1856
- https://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=9f64916da20eea67121d544698676295bbb105a7
- https://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=bea60dd7679364493a0d7f5b54316c767cf894ef