Medium severity4.4NVD Advisory· Published Dec 10, 2016· Updated May 6, 2026
CVE-2016-7421
CVE-2016-7421
Description
The pvscsi_ring_pop_req_descr function in hw/scsi/vmw_pvscsi.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) by leveraging failure to limit process IO loop to the ring size.
Affected products
6- osv-coords6 versionspkg:rpm/opensuse/qemu&distro=openSUSE%20Tumbleweedpkg:rpm/suse/qemu&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP1pkg:rpm/suse/qemu&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1pkg:rpm/suse/qemu&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSSpkg:rpm/suse/qemu&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012pkg:rpm/suse/qemu&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1
< 6.1.0-32.1+ 5 more
- (no CPE)range: < 6.1.0-32.1
- (no CPE)range: < 2.3.1-24.6
- (no CPE)range: < 2.3.1-24.6
- (no CPE)range: < 2.0.2-48.25.1
- (no CPE)range: < 2.0.2-48.25.1
- (no CPE)range: < 2.3.1-24.6
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
7- lists.gnu.org/archive/html/qemu-devel/2016-09/msg03609.htmlnvdPatchThird Party Advisory
- www.openwall.com/lists/oss-security/2016/09/16/3nvdMailing ListThird Party Advisory
- www.openwall.com/lists/oss-security/2016/09/16/9nvdMailing ListThird Party Advisory
- www.securityfocus.com/bid/92998nvdThird Party AdvisoryVDB Entry
- lists.debian.org/debian-lts-announce/2018/11/msg00038.htmlnvdMailing ListThird Party Advisory
- security.gentoo.org/glsa/201609-01nvdThird Party Advisory
- git.qemu.orgnvd
News mentions
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