CVE-2015-8745 - Improper Access Control

Severity

21%

Complexity

39%

Confidentiality

48%

QEMU (aka Quick Emulator) built with a VMWARE VMXNET3 paravirtual NIC emulator support is vulnerable to crash issue. It could occur while reading Interrupt Mask Registers (IMR). A privileged (CAP_SYS_RAWIO) guest user could use this flaw to crash the QEMU process instance resulting in DoS.

QEMU (aka Quick Emulator) built with a VMWARE VMXNET3 paravirtual NIC emulator support is vulnerable to crash issue. It could occur while reading Interrupt Mask Registers (IMR). A privileged (CAP_SYS_RAWIO) guest user could use this flaw to crash the QEMU process instance resulting in DoS.

CVSS 3.0 Base Score 5.5. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).

CVSS 2.0 Base Score 2.1. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (AV:L/AC:L/Au:N/C:N/I:N/A:P).

Overview

First reported 8 years ago

2016-12-29 22:59:00

Last updated 7 years ago

2017-11-04 01:29:00

Affected Software

QEMU

References

http://git.qemu.org/?p=qemu.git;a=commit;h=c6048f849c7e3f009786df76206e895

Issue Tracking, Patch

DSA-3471

[oss-security] 20160104 CVE request Qemu: net: vmxnet3: reading IMR registers leads to a crash

Mailing List, Third Party Advisory

[oss-security] 20160104 Re: CVE request Qemu: net: vmxnet3: reading IMR registers leads to a crash

Mailing List, Third Party Advisory

79822

Third Party Advisory, VDB Entry

1034575

Third Party Advisory, VDB Entry

https://bugzilla.redhat.com/show_bug.cgi?id=1270876

Issue Tracking

GLSA-201602-01

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