92997

[oss-security] 20160916 Re: CVE request Qemu: scsi: mptsas: OOB access when freeing MPTSASRequest object

[qemu-devel] 20160915 [PULL 03/17] scsi: mptsas: use g_new0 to allocate MPTSASRequest object

[oss-security] 20160916 CVE request Qemu: scsi: mptsas: OOB access when freeing MPTSASRequest object

https://bugzilla.redhat.com/show_bug.cgi?id=1376776

GLSA-201611-11

http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=670e56d3ed2918b3861d9216f2c0540d9e9ae0d5

The remote host is affected by the vulnerability described in GLSA-201611-11 (QEMU: Multiple vulnerabilities)

    Multiple vulnerabilities have been discovered in QEMU. Please review the       CVE identifiers referenced below for details.
  Impact :

    A privileged user /process within a guest QEMU environment can cause a       Denial of Service condition against the QEMU guest process or the host.
  Workaround :

    There is no known workaround at this time.

- CVE-2016-7155: pvscsi: OOB read and infinite loop (bz     #1373463)

  - CVE-2016-7156: pvscsi: infinite loop when building SG     list (bz #1373480)

  - CVE-2016-7156: pvscsi: infinite loop when processing IO     requests (bz #1373480)

  - CVE-2016-7170: vmware_vga: OOB stack memory access (bz     #1374709)

  - CVE-2016-7157: mptsas: invalid memory access (bz     #1373505)

  - CVE-2016-7466: usb: xhci memory leakage during device     unplug (bz #1377838)

  - CVE-2016-7423: scsi: mptsas: OOB access (bz #1376777)

  - CVE-2016-7422: virtio: NULL pointer dereference (bz     #1376756)

  - CVE-2016-7908: net: Infinite loop in mcf_fec_do_tx (bz     #1381193)

  - CVE-2016-8576: usb: xHCI: infinite loop vulnerability     (bz #1382322)

  - CVE-2016-7995: usb: hcd-ehci: memory leak (bz #1382669)

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Zhenhao Hong discovered that QEMU incorrectly handled the Virtio module. A privileged attacker inside the guest could use this issue to cause QEMU to consume resources, resulting in a denial of service.
(CVE-2016-5403)

Li Qiang discovered that QEMU incorrectly handled VMWARE VMXNET3 network card emulation support. A privileged attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 16.10. (CVE-2016-6833, CVE-2016-6834, CVE-2016-6888)

Li Qiang discovered that QEMU incorrectly handled VMWARE VMXNET3 network card emulation support. A privileged attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service, or possibly execute arbitrary code on the host. In the default installation, when QEMU is used with libvirt, attackers would be isolated by the libvirt AppArmor profile. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 16.10. (CVE-2016-6835)

Li Qiang discovered that QEMU incorrectly handled VMWARE VMXNET3 network card emulation support. A privileged attacker inside the guest could use this issue to possibly to obtain sensitive host memory. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 16.10. (CVE-2016-6836)

Felix Wilhelm discovered that QEMU incorrectly handled Plan 9 File System (9pfs) support. A privileged attacker inside the guest could use this issue to possibly to obtain sensitive host files.
(CVE-2016-7116)

Li Qiang and Tom Victor discovered that QEMU incorrectly handled VMWARE PVSCSI paravirtual SCSI bus emulation support. A privileged attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 16.10. (CVE-2016-7155)

Li Qiang discovered that QEMU incorrectly handled VMWARE PVSCSI paravirtual SCSI bus emulation support. A privileged attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 16.10. (CVE-2016-7156, CVE-2016-7421)

Tom Victor discovered that QEMU incorrectly handled LSI SAS1068 host bus emulation support. A privileged attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service. This issue only affected Ubuntu 16.10. (CVE-2016-7157)

Hu Chaojian discovered that QEMU incorrectly handled xlnx.xps-ethernetlite emulation support. A privileged attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service, or possibly execute arbitrary code on the host. In the default installation, when QEMU is used with libvirt, attackers would be isolated by the libvirt AppArmor profile. (CVE-2016-7161)

Qinghao Tang and Li Qiang discovered that QEMU incorrectly handled the VMware VGA module. A privileged attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service.
(CVE-2016-7170)

Qinghao Tang and Zhenhao Hong discovered that QEMU incorrectly handled the Virtio module. A privileged attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service.
This issue only affected Ubuntu 16.10. (CVE-2016-7422)

Li Qiang discovered that QEMU incorrectly handled LSI SAS1068 host bus emulation support. A privileged attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service.
This issue only affected Ubuntu 16.10. (CVE-2016-7423)

Li Qiang discovered that QEMU incorrectly handled USB xHCI controller emulation support. A privileged attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service.
This issue only affected Ubuntu 16.04 LTS and Ubuntu 16.10.
(CVE-2016-7466)

Li Qiang discovered that QEMU incorrectly handled ColdFire Fast Ethernet Controller emulation support. A privileged attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service. (CVE-2016-7908)

Li Qiang discovered that QEMU incorrectly handled AMD PC-Net II emulation support. A privileged attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service.
(CVE-2016-7909)

Li Qiang discovered that QEMU incorrectly handled the Virtio GPU support. A privileged attacker inside the guest could use this issue to cause QEMU to consume resources, resulting in a denial of service.
This issue only affected Ubuntu 16.04 LTS and Ubuntu 16.10.
(CVE-2016-7994)

Li Qiang discovered that QEMU incorrectly handled USB EHCI emulation support. A privileged attacker inside the guest could use this issue to cause QEMU to consume resources, resulting in a denial of service.
This issue only affected Ubuntu 16.10. (CVE-2016-7995)

Li Qiang discovered that QEMU incorrectly handled USB xHCI controller support. A privileged attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 16.10.
(CVE-2016-8576)

Li Qiang discovered that QEMU incorrectly handled Plan 9 File System (9pfs) support. A privileged attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 16.10. (CVE-2016-8577, CVE-2016-8578)

It was discovered that QEMU incorrectly handled Rocker switch emulation support. A privileged attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service.
This issue only affected Ubuntu 16.04 LTS and Ubuntu 16.10.
(CVE-2016-8668)

It was discovered that QEMU incorrectly handled Intel HDA controller emulation support. A privileged attacker inside the guest could use this issue to cause QEMU to consume resources, resulting in a denial of service. (CVE-2016-8909)

Andrew Henderson discovered that QEMU incorrectly handled RTL8139 ethernet controller emulation support. A privileged attacker inside the guest could use this issue to cause QEMU to consume resources, resulting in a denial of service. (CVE-2016-8910)

Li Qiang discovered that QEMU incorrectly handled Intel i8255x ethernet controller emulation support. A privileged attacker inside the guest could use this issue to cause QEMU to consume resources, resulting in a denial of service. (CVE-2016-9101)

Li Qiang discovered that QEMU incorrectly handled Plan 9 File System (9pfs) support. A privileged attacker inside the guest could use this issue to cause QEMU to consume resources, resulting in a denial of service. (CVE-2016-9102, CVE-2016-9104, CVE-2016-9105)

Li Qiang discovered that QEMU incorrectly handled Plan 9 File System (9pfs) support. A privileged attacker inside the guest could use this issue to possibly to obtain sensitive host memory. (CVE-2016-9103)

Li Qiang discovered that QEMU incorrectly handled Plan 9 File System (9pfs) support. A privileged attacker inside the guest could use this issue to cause QEMU to consume resources, resulting in a denial of service. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 16.10. (CVE-2016-9106).

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ID	Name	Product	Family	Severity
95018	GLSA-201611-11 : QEMU: Multiple vulnerabilities	Nessus	Gentoo Local Security Checks	critical
94794	Fedora 25 : 2:qemu (2016-3d3218ec41)	Nessus	Fedora Local Security Checks	medium
94669	Ubuntu 12.04 LTS / 14.04 LTS / 16.04 LTS / 16.10 : qemu, qemu-kvm vulnerabilities (USN-3125-1)	Nessus	Ubuntu Local Security Checks	critical

CVE-2016-7423

medium

Tenable Plugins

critical

medium

critical