Infinite loop in QEMU - CVE-2015-6815
Published: August 5, 2020
Vulnerability identifier: #VU33992
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2015-6815
CWE-ID: CWE-835
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerable software:
QEMU
QEMU
Software vendor:
QEMU
QEMU
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite loop within the process_tx_desc() function in hw/net/e1000.c in QEMU. A remote attacker can consume all available system resources and cause denial of service conditions.
Remediation
Install updates from vendor's website.
External links
- http://lists.fedoraproject.org/pipermail/package-announce/2015-October/168077.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-October/168646.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-October/168671.html
- http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00026.html
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00005.html
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00011.html
- http://www.openwall.com/lists/oss-security/2015/09/04/4
- http://www.openwall.com/lists/oss-security/2015/09/05/5
- http://www.ubuntu.com/usn/USN-2745-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1260076
- https://lists.gnu.org/archive/html/qemu-devel/2015-09/msg01199.html
- https://lists.gnu.org/archive/html/qemu-devel/2015-09/msg05832.html