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RedHat Update for qemu-kvm RHSA-2011:1777-01

🗓️ 09 Jul 2012 00:00:00Reported by Copyright (C) 2012 Greenbone AGType 
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The remote host is missing an update for the 'qemu-kvm' package(s) announced via the referenced advisory. KVM (Kernel-based Virtual Machine) is a full virtualization solution for Linux on AMD64 and Intel 64 systems. A flaw was found in the way qemu-kvm handled VSC_ATR messages when a guest was configured for a CCID (Chip/Smart Card Interface Devices) USB smart card reader in passthrough mode. An attacker able to connect to the port on the host being used for such a device could use this flaw to crash the qemu-kvm process on the host or, possibly, escalate their privileges on the host. All users of qemu-kvm should upgrade to these updated packages, which contain a backported patch to resolve this issue. After installing this update, shut down all running virtual machines. Once all virtual machines have shut down, start them again for this update to take effect

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Refs
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ReporterTitlePublishedViews
Family
Tenable Nessus
Oracle Linux 6 : qemu-kvm (ELSA-2011-1777)
12 Jul 201300:00
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Tenable Nessus
RHEL 6 : qemu-kvm (RHSA-2011:1777)
24 Jan 201300:00
nessus
Tenable Nessus
RHEL 6 : qemu-kvm (RHSA-2011:1801)
24 Jan 201300:00
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Tenable Nessus
CentOS 6 : qemu-kvm (CESA-2011:1801)
23 Dec 201100:00
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Tenable Nessus
CentOS 6 : qemu-kvm (CESA-2011:1777)
23 Dec 201100:00
nessus
Tenable Nessus
Scientific Linux Security Update : qemu-kvm on SL6.x x86_64
1 Aug 201200:00
nessus
Cvelist
CVE-2011-4111
26 Feb 201415:00
cvelist
UbuntuCve
CVE-2011-4111
28 Nov 201100:00
ubuntucve
CVE
CVE-2011-4111
26 Feb 201415:55
cve
Veracode
Arbitrary Code Execution
10 Apr 202001:07
veracode
Rows per page
# SPDX-FileCopyrightText: 2012 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only

if(description)
{
  script_xref(name:"URL", value:"https://www.redhat.com/archives/rhsa-announce/2011-December/msg00019.html");
  script_oid("1.3.6.1.4.1.25623.1.0.870669");
  script_version("2024-03-21T05:06:54+0000");
  script_tag(name:"last_modification", value:"2024-03-21 05:06:54 +0000 (Thu, 21 Mar 2024)");
  script_tag(name:"creation_date", value:"2012-07-09 10:45:06 +0530 (Mon, 09 Jul 2012)");
  script_cve_id("CVE-2011-4111");
  script_tag(name:"cvss_base", value:"6.8");
  script_tag(name:"cvss_base_vector", value:"AV:A/AC:H/Au:N/C:C/I:C/A:C");
  script_xref(name:"RHSA", value:"2011:1777-01");
  script_name("RedHat Update for qemu-kvm RHSA-2011:1777-01");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'qemu-kvm'
  package(s) announced via the referenced advisory.");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2012 Greenbone AG");
  script_family("Red Hat Local Security Checks");
  script_dependencies("gather-package-list.nasl");
  script_mandatory_keys("ssh/login/rhel", "ssh/login/rpms", re:"ssh/login/release=RHENT_6");
  script_tag(name:"affected", value:"qemu-kvm on Red Hat Enterprise Linux Desktop (v. 6),
  Red Hat Enterprise Linux Server (v. 6),
  Red Hat Enterprise Linux Workstation (v. 6)");
  script_tag(name:"solution", value:"Please Install the Updated Packages.");
  script_tag(name:"insight", value:"KVM (Kernel-based Virtual Machine) is a full virtualization solution for
  Linux on AMD64 and Intel 64 systems. qemu-kvm is the user-space component
  for running virtual machines using KVM.

  A flaw was found in the way qemu-kvm handled VSC_ATR messages when a guest
  was configured for a CCID (Chip/Smart Card Interface Devices) USB smart
  card reader in passthrough mode. An attacker able to connect to the port on
  the host being used for such a device could use this flaw to crash the
  qemu-kvm process on the host or, possibly, escalate their privileges on the
  host. (CVE-2011-4111)

  All users of qemu-kvm should upgrade to these updated packages, which
  contain a backported patch to resolve this issue. After installing this
  update, shut down all running virtual machines. Once all virtual machines
  have shut down, start them again for this update to take effect.");
  script_tag(name:"qod_type", value:"package");
  script_tag(name:"solution_type", value:"VendorFix");

  exit(0);
}

include("revisions-lib.inc");
include("pkg-lib-rpm.inc");

release = rpm_get_ssh_release();
if(!release) exit(0);

res = "";

if(release == "RHENT_6")
{

  if ((res = isrpmvuln(pkg:"qemu-img", rpm:"qemu-img~0.12.1.2~2.209.el6_2.1", rls:"RHENT_6")) != NULL)
  {
    security_message(data:res);
    exit(0);
  }

  if ((res = isrpmvuln(pkg:"qemu-kvm", rpm:"qemu-kvm~0.12.1.2~2.209.el6_2.1", rls:"RHENT_6")) != NULL)
  {
    security_message(data:res);
    exit(0);
  }

  if ((res = isrpmvuln(pkg:"qemu-kvm-debuginfo", rpm:"qemu-kvm-debuginfo~0.12.1.2~2.209.el6_2.1", rls:"RHENT_6")) != NULL)
  {
    security_message(data:res);
    exit(0);
  }

  if ((res = isrpmvuln(pkg:"qemu-kvm-tools", rpm:"qemu-kvm-tools~0.12.1.2~2.209.el6_2.1", rls:"RHENT_6")) != NULL)
  {
    security_message(data:res);
    exit(0);
  }

  if (__pkg_match) exit(99);
  exit(0);
}

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09 Jul 2012 00:00Current
6.5Medium risk
Vulners AI Score6.5
CVSS26.8
EPSS0.00847
17
.json
Report