CVE-2015-5158
Qemu: scsi stack buffer overflow
Severity
ModerateRed Hat Product Security
CVSS 2.0
Review impact separately from score.
Published · July 22, 2015
Updated · November 21, 2025
Description
A flaw has been discovered in the QEMU emulator built with SCSI-device emulation support. The emulator is vulnerable to a stack buffer overflow issue, which can occur while parsing a SCSI command descriptor block with an invalid operation code. A privileged(CAP_SYS_RAWIO) user inside a guest could use this flaw to crash the QEMU instance resulting in a denial-of-service (DoS) attack.
Statement
This issue does not affect the versions of kvm and xen packages as shipped with Red Hat Enterprise Linux 5.
This issue does not affect the versions of the qemu-kvm packages as shipped with Red Hat Enterprise Linux 6 and 7.
This issue does not affect the Red Hat Enterprise Linux 6 based versions of qemu-kvm-rhev packages as shipped with Red Hat Enterprise Virtualization 3.
This issue does not affect the Red Hat Enterprise Linux 7 based versions of the qemu-kvm-rhev packages as shipped with Red Hat Enterprise Virtualization 3.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 2.0 · 4.4AV:L/AC:M/Au:S/C:N/I:N/A:C
CWE-121 · Stack-based Buffer Overflow