SB2016121009 - Memory leak in QEMU
Published: December 10, 2016 Updated: July 28, 2020
Security Bulletin ID
SB2016121009
Severity
Medium
Patch available
NO
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Memory leak (CVE-ID: CVE-2016-7995)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the ehci_process_itd function in hw/usb/hcd-ehci.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (memory consumption) via a large number of crafted buffer page select (PG) indexes. A remote attacker can perform a denial of service attack.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.
References
- http://git.qemu.org/?p=qemu.git;a=commit;h=b16c129daf0fed91febbb88de23dae8271c8898a
- http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html
- http://www.openwall.com/lists/oss-security/2016/10/07/3
- http://www.openwall.com/lists/oss-security/2016/10/08/4
- http://www.securityfocus.com/bid/93454
- https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg06609.html