CVE-2016-7909

Severity

49%

Complexity

39%

Confidentiality

115%

The pcnet_rdra_addr function in hw/net/pcnet.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) by setting the (1) receive or (2) transmit descriptor ring length to 0.

The pcnet_rdra_addr function in hw/net/pcnet.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) by setting the (1) receive or (2) transmit descriptor ring length to 0.

CVSS 3.0 Base Score 4.4. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

CVSS 2.0 Base Score 4.9. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (AV:L/AC:L/Au:N/C:N/I:N/A:C).

Overview

First reported 8 years ago

2016-10-05 16:59:00

Last updated 6 years ago

2018-12-01 11:29:00

Affected Software

QEMU

References

openSUSE-SU-2016:3237

[oss-security] 20161003 CVE Request Qemu: net: pcnet: infinite loop in pcnet_rdra_addr

Mailing List, Third Party Advisory

[oss-security] 20161003 Re: CVE Request Qemu: net: pcnet: infinite loop in pcnet_rdra_addr

Mailing List, Third Party Advisory

93275

[debian-lts-announce] 20181130 [SECURITY] [DLA 1599-1] qemu security update

[qemu-devel] 20160930 [PATCH 1/2] net: pcnet: check rx/tx descriptor ring length

Mailing List, Patch, Vendor Advisory

GLSA-201611-11

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