Reachable Assertion Affecting qemu-kvm-common-rhev package, versions <10:2.10.0-21.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.
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Test your applications- Snyk IDSNYK-RHEL7-QEMUKVMCOMMONRHEV-5075367
- published26 Jul 2021
- disclosed24 Aug 2017
Introduced: 24 Aug 2017
CVE-2017-13673 (opens in a new tab)How to fix?
Upgrade RHEL:7 qemu-kvm-common-rhev to version 10:2.10.0-21.el7 or higher.
This issue was patched in RHSA-2018:1113.
NVD Description
Note: Versions mentioned in the description apply only to the upstream qemu-kvm-common-rhev package and not the qemu-kvm-common-rhev package as distributed by RHEL.
See How to fix? for RHEL:7 relevant fixed versions and status.
The vga display update in mis-calculated the region for the dirty bitmap snapshot in case split screen mode is used causing a denial of service (assertion failure) in the cpu_physical_memory_snapshot_get_dirty function.
References
- http://www.securityfocus.com/bid/100527
- https://git.qemu.org/gitweb.cgi?p=qemu.git;a=commit;h=bfc56535f793c557aa754c50213fc5f882e6482d
- https://lists.gnu.org/archive/html/qemu-devel/2017-08/msg04685.html
- https://access.redhat.com/security/cve/CVE-2017-13673
- http://www.openwall.com/lists/oss-security/2017/09/10/1
- https://access.redhat.com/errata/RHSA-2018:1113
- http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00042.html
- https://git.qemu.org/gitweb.cgi?p=qemu.git%3Ba=commit%3Bh=bfc56535f793c557aa754c50213fc5f882e6482d