J-Security Center

Title: Linux Kernel KVM Multiple Privilege Escalation and Denial of Service Vulnerabilities

Severity: HIGH

Description:

The Linux kernel is prone to the following security vulnerabilities in the Kernel-based Virtual Machine (KVM):

1. A privilege-escalation occurs in the x86 emulator implementation because it fails to check the current privilege level (PL) and the I/O privilege level (IOPL). A guest user could exploit this issue to gain elevated privileges on the guest operating system or crash the guest. (CVE-2010-0298 and CVE-2010-0306)

2. A denial-of-service vulnerability occurs in the Programmable Interval Timer (PIT) emulation because it fails to validate the internal data structure 'pit_state' when used in the 'pit_ioport_read()' function. A privileged guest user could exploit this issue to crash the affected host. (CVE-2010-0309)

3. A privilege-escalation vulnerability occurs in the USB pass-through handling code. Specifically, this issue occurs in the 'usb_host_handle_control()' function, which runs under the QEMU-KVM context of the host. When handling a specially crafted USB packet, a buffer overflow can occur. An attacker can exploit this issue to cause the guest operating to crash or gain elevated privileges on the host operating system. Successful exploits will completely compromise affected computers. (CVE-2010-0297)


Versions prior to Linux kernel 2.6.32-rc4 are vulnerable.

Affected Products:

  • Debian Linux 4.0
  • Debian Linux 4.0 alpha
  • Debian Linux 4.0 amd64
  • Debian Linux 4.0 arm
  • Debian Linux 4.0 hppa
  • Debian Linux 4.0 ia-32
  • Debian Linux 4.0 ia-64
  • Debian Linux 4.0 m68k
  • Debian Linux 4.0 mips
  • Debian Linux 4.0 mipsel
  • Debian Linux 4.0 powerpc
  • Debian Linux 4.0 s/390
  • Debian Linux 4.0 sparc
  • Debian Linux 5.0
  • Debian Linux 5.0 alpha
  • Debian Linux 5.0 amd64
  • Debian Linux 5.0 arm
  • Debian Linux 5.0 armel
  • Debian Linux 5.0 hppa
  • Debian Linux 5.0 ia-32
  • Debian Linux 5.0 ia-64
  • Debian Linux 5.0 m68k
  • Debian Linux 5.0 mips
  • Debian Linux 5.0 mipsel
  • Debian Linux 5.0 powerpc
  • Debian Linux 5.0 s/390
  • Debian Linux 5.0 sparc
  • Linux kernel 2.6.0
  • Linux kernel 2.6.0 -test1
  • Linux kernel 2.6.0 -test10
  • Linux kernel 2.6.0 -test11
  • Linux kernel 2.6.0 -test2
  • Linux kernel 2.6.0 -test3
  • Linux kernel 2.6.0 -test4
  • Linux kernel 2.6.0 -test5
  • Linux kernel 2.6.0 -test6
  • Linux kernel 2.6.0 -test7
  • Linux kernel 2.6.0 -test8
  • Linux kernel 2.6.0 -test9
  • Linux kernel 2.6.0 -test9-CVS
  • Linux kernel 2.6.0 .10
  • Linux kernel 2.6.1
  • Linux kernel 2.6.1 -rc1
  • Linux kernel 2.6.1 -rc2
  • Linux kernel 2.6.10
  • Linux kernel 2.6.10
  • Linux kernel 2.6.10 rc2
  • Linux kernel 2.6.11
  • Linux kernel 2.6.11
  • Linux kernel 2.6.11 -rc2
  • Linux kernel 2.6.11 -rc3
  • Linux kernel 2.6.11 -rc4
  • Linux kernel 2.6.11 .11
  • Linux kernel 2.6.11 .12
  • Linux kernel 2.6.11 .4
  • Linux kernel 2.6.11 .5
  • Linux kernel 2.6.11 .6
  • Linux kernel 2.6.11 .7
  • Linux kernel 2.6.11 .8
  • Linux kernel 2.6.11.4
  • Linux kernel 2.6.12
  • Linux kernel 2.6.12
  • Linux kernel 2.6.12 -rc1
  • Linux kernel 2.6.12 -rc4
  • Linux kernel 2.6.12 -rc5
  • Linux kernel 2.6.12 .1
  • Linux kernel 2.6.12 .12
  • Linux kernel 2.6.12 .2
  • Linux kernel 2.6.12 .22
  • Linux kernel 2.6.12 .3
  • Linux kernel 2.6.12 .4
  • Linux kernel 2.6.12 .5
  • Linux kernel 2.6.12 .6
  • Linux kernel 2.6.13
  • Linux kernel 2.6.13
  • Linux kernel 2.6.13 -rc1
  • Linux kernel 2.6.13 -rc4
  • Linux kernel 2.6.13 -rc6
  • Linux kernel 2.6.13 -rc7
  • Linux kernel 2.6.13 .1
  • Linux kernel 2.6.13 .2
  • Linux kernel 2.6.13 .3
  • Linux kernel 2.6.13 .4
  • Linux kernel 2.6.14
  • Linux kernel 2.6.14
  • Linux kernel 2.6.14 -rc1
  • Linux kernel 2.6.14 -rc2
  • Linux kernel 2.6.14 -rc3
  • Linux kernel 2.6.14 -rc4
  • Linux kernel 2.6.14 .1
  • Linux kernel 2.6.14 .2
  • Linux kernel 2.6.14 .3
  • Linux kernel 2.6.14.4
  • Linux kernel 2.6.14.5
  • Linux kernel 2.6.15
  • Linux kernel 2.6.15
  • Linux kernel 2.6.15 -rc1
  • Linux kernel 2.6.15 -rc2
  • Linux kernel 2.6.15 -rc3
  • Linux kernel 2.6.15 -rc4
  • Linux kernel 2.6.15 -rc5
  • Linux kernel 2.6.15 -rc6
  • Linux kernel 2.6.15 .4
  • Linux kernel 2.6.15-27.48
  • Linux kernel 2.6.15.1
  • Linux kernel 2.6.15.11
  • Linux kernel 2.6.15.2
  • Linux kernel 2.6.15.3
  • Linux kernel 2.6.15.5
  • Linux kernel 2.6.15.6
  • Linux kernel 2.6.16
  • Linux kernel 2.6.16
  • Linux kernel 2.6.16 -rc1
  • Linux kernel 2.6.16 .1
  • Linux kernel 2.6.16 .11
  • Linux kernel 2.6.16 .12
  • Linux kernel 2.6.16 .19
  • Linux kernel 2.6.16 .23
  • Linux kernel 2.6.16 .7
  • Linux kernel 2.6.16 .9
  • Linux kernel 2.6.16 13
  • Linux kernel 2.6.16 27
  • Linux kernel 2.6.16.16
  • Linux kernel 2.6.16.17
  • Linux kernel 2.6.16.18
  • Linux kernel 2.6.16.2
  • Linux kernel 2.6.16.21
  • Linux kernel 2.6.16.3
  • Linux kernel 2.6.16.4
  • Linux kernel 2.6.16.5
  • Linux kernel 2.6.16.8
  • Linux kernel 2.6.17
  • Linux kernel 2.6.17
  • Linux kernel 2.6.17
  • Linux kernel 2.6.17
  • Linux kernel 2.6.17 -rc5
  • Linux kernel 2.6.17 .8
  • Linux kernel 2.6.17.1
  • Linux kernel 2.6.17.10
  • Linux kernel 2.6.17.11
  • Linux kernel 2.6.17.12
  • Linux kernel 2.6.17.13
  • Linux kernel 2.6.17.14
  • Linux kernel 2.6.17.2
  • Linux kernel 2.6.17.3
  • Linux kernel 2.6.17.4
  • Linux kernel 2.6.17.5
  • Linux kernel 2.6.17.6
  • Linux kernel 2.6.17.7
  • Linux kernel 2.6.17.9
  • Linux kernel 2.6.18
  • Linux kernel 2.6.18
  • Linux kernel 2.6.18 .1
  • Linux kernel 2.6.18-53
  • Linux kernel 2.6.18-8.1.8.el5
  • Linux kernel 2.6.18.3
  • Linux kernel 2.6.18.4
  • Linux kernel 2.6.19
  • Linux kernel 2.6.19 -rc1
  • Linux kernel 2.6.19 -rc2
  • Linux kernel 2.6.19 -rc3
  • Linux kernel 2.6.19 -rc4
  • Linux kernel 2.6.19 -rc6
  • Linux kernel 2.6.19.1
  • Linux kernel 2.6.19.1
  • Linux kernel 2.6.19.2
  • Linux kernel 2.6.2
  • Linux kernel 2.6.20
  • Linux kernel 2.6.20
  • Linux kernel 2.6.20 -git5
  • Linux kernel 2.6.20-2
  • Linux kernel 2.6.20-rc2
  • Linux kernel 2.6.20.1
  • Linux kernel 2.6.20.11
  • Linux kernel 2.6.20.13
  • Linux kernel 2.6.20.15
  • Linux kernel 2.6.20.2
  • Linux kernel 2.6.20.3
  • Linux kernel 2.6.20.4
  • Linux kernel 2.6.20.5
  • Linux kernel 2.6.20.8
  • Linux kernel 2.6.20.9
  • Linux kernel 2.6.21
  • Linux kernel 2.6.21 .1
  • Linux kernel 2.6.21 4
  • Linux kernel 2.6.21-RC3
  • Linux kernel 2.6.21-RC3
  • Linux kernel 2.6.21-RC4
  • Linux kernel 2.6.21-RC5
  • Linux kernel 2.6.21-RC6
  • Linux kernel 2.6.21-git8
  • Linux kernel 2.6.21.2
  • Linux kernel 2.6.21.3
  • Linux kernel 2.6.21.6
  • Linux kernel 2.6.21.7
  • Linux kernel 2.6.22
  • Linux kernel 2.6.22-rc1
  • Linux kernel 2.6.22-rc7
  • Linux kernel 2.6.22.1
  • Linux kernel 2.6.22.11
  • Linux kernel 2.6.22.12
  • Linux kernel 2.6.22.13
  • Linux kernel 2.6.22.14
  • Linux kernel 2.6.22.15
  • Linux kernel 2.6.22.16
  • Linux kernel 2.6.22.17
  • Linux kernel 2.6.22.2
  • Linux kernel 2.6.22.3
  • Linux kernel 2.6.22.4
  • Linux kernel 2.6.22.5
  • Linux kernel 2.6.22.6
  • Linux kernel 2.6.22.7
  • Linux kernel 2.6.22.8
  • Linux kernel 2.6.23
  • Linux kernel 2.6.23-rc1
  • Linux kernel 2.6.23-rc2
  • Linux kernel 2.6.23.09
  • Linux kernel 2.6.23.1
  • Linux kernel 2.6.23.10
  • Linux kernel 2.6.23.14
  • Linux kernel 2.6.23.2
  • Linux kernel 2.6.23.3
  • Linux kernel 2.6.23.4
  • Linux kernel 2.6.23.5
  • Linux kernel 2.6.23.6
  • Linux kernel 2.6.23.7
  • Linux kernel 2.6.24
  • Linux kernel 2.6.24-git13
  • Linux kernel 2.6.24-rc1
  • Linux kernel 2.6.24-rc2
  • Linux kernel 2.6.24-rc3
  • Linux kernel 2.6.24-rc4
  • Linux kernel 2.6.24-rc5
  • Linux kernel 2.6.24.1
  • Linux kernel 2.6.24.2
  • Linux kernel 2.6.24.6
  • Linux kernel 2.6.25
  • Linux kernel 2.6.25
  • Linux kernel 2.6.25 .15
  • Linux kernel 2.6.25 19
  • Linux kernel 2.6.25-rc1
  • Linux kernel 2.6.25.1
  • Linux kernel 2.6.25.10
  • Linux kernel 2.6.25.11
  • Linux kernel 2.6.25.12
  • Linux kernel 2.6.25.13
  • Linux kernel 2.6.25.2
  • Linux kernel 2.6.25.3
  • Linux kernel 2.6.25.4
  • Linux kernel 2.6.25.5
  • Linux kernel 2.6.25.6
  • Linux kernel 2.6.25.7
  • Linux kernel 2.6.25.8
  • Linux kernel 2.6.25.9
  • Linux kernel 2.6.26
  • Linux kernel 2.6.26 -rc6
  • Linux kernel 2.6.26 7
  • Linux kernel 2.6.26-rc5-git1
  • Linux kernel 2.6.26.1
  • Linux kernel 2.6.26.3
  • Linux kernel 2.6.26.4
  • Linux kernel 2.6.26.5
  • Linux kernel 2.6.26.6
  • Linux kernel 2.6.27
  • Linux kernel 2.6.27 -rc6-git6
  • Linux kernel 2.6.27 -rc8
  • Linux kernel 2.6.27 -rc8-git5
  • Linux kernel 2.6.27 .5
  • Linux kernel 2.6.27 12
  • Linux kernel 2.6.27 3
  • Linux kernel 2.6.27 6
  • Linux kernel 2.6.27-git3
  • Linux kernel 2.6.27-rc1
  • Linux kernel 2.6.27-rc2
  • Linux kernel 2.6.27-rc4
  • Linux kernel 2.6.27-rc5
  • Linux kernel 2.6.27-rc6
  • Linux kernel 2.6.27.12
  • Linux kernel 2.6.27.13
  • Linux kernel 2.6.27.14
  • Linux kernel 2.6.27.24
  • Linux kernel 2.6.27.8
  • Linux kernel 2.6.28
  • Linux kernel 2.6.28 -git7
  • Linux kernel 2.6.28 -rc1
  • Linux kernel 2.6.28 -rc5
  • Linux kernel 2.6.28 -rc7
  • Linux kernel 2.6.28.1
  • Linux kernel 2.6.28.10
  • Linux kernel 2.6.28.2
  • Linux kernel 2.6.28.3
  • Linux kernel 2.6.28.4
  • Linux kernel 2.6.28.5
  • Linux kernel 2.6.28.6
  • Linux kernel 2.6.28.8
  • Linux kernel 2.6.28.9
  • Linux kernel 2.6.29
  • Linux kernel 2.6.29-git1
  • Linux kernel 2.6.29-git14
  • Linux kernel 2.6.29-git8
  • Linux kernel 2.6.29-rc1
  • Linux kernel 2.6.29-rc2
  • Linux kernel 2.6.29-rc2-git1
  • Linux kernel 2.6.29.1
  • Linux kernel 2.6.29.4
  • Linux kernel 2.6.3
  • Linux kernel 2.6.30
  • Linux kernel 2.6.30 -rc1
  • Linux kernel 2.6.30-rc2
  • Linux kernel 2.6.30-rc3
  • Linux kernel 2.6.30-rc5
  • Linux kernel 2.6.30-rc6
  • Linux kernel 2.6.30.1
  • Linux kernel 2.6.30.10
  • Linux kernel 2.6.30.3
  • Linux kernel 2.6.30.4
  • Linux kernel 2.6.30.5
  • Linux kernel 2.6.31
  • Linux kernel 2.6.31-git11
  • Linux kernel 2.6.31-rc1
  • Linux kernel 2.6.31-rc2
  • Linux kernel 2.6.31-rc3
  • Linux kernel 2.6.31-rc4
  • Linux kernel 2.6.31-rc5-git3
  • Linux kernel 2.6.31-rc6
  • Linux kernel 2.6.31-rc7
  • Linux kernel 2.6.31-rc7
  • Linux kernel 2.6.31-rc8
  • Linux kernel 2.6.31-rc9
  • Linux kernel 2.6.31.1
  • Linux kernel 2.6.31.11
  • Linux kernel 2.6.31.2
  • Linux kernel 2.6.31.2
  • Linux kernel 2.6.31.4
  • Linux kernel 2.6.31.5
  • Linux kernel 2.6.31.6
  • Linux kernel 2.6.32
  • Linux kernel 2.6.32-rc1
  • Linux kernel 2.6.32-rc2
  • Linux kernel 2.6.32-rc3
  • Linux kernel 2.6.32-rc4
  • Linux kernel 2.6.32-rc5
  • Linux kernel 2.6.32-rc7
  • Linux kernel 2.6.32-rc8
  • Linux kernel 2.6.32.3
  • Linux kernel 2.6.32.4
  • Linux kernel 2.6.33-rc4
  • Linux kernel 2.6.33-rc6
  • Linux kernel 2.6.33-rc7
  • Linux kernel 2.6.4
  • Linux kernel 2.6.5
  • Linux kernel 2.6.6
  • Linux kernel 2.6.6 rc1
  • Linux kernel 2.6.7
  • Linux kernel 2.6.7 rc1
  • Linux kernel 2.6.8
  • Linux kernel 2.6.8 rc1
  • Linux kernel 2.6.8 rc2
  • Linux kernel 2.6.8 rc3
  • Linux kernel 2.6.8.1
  • Linux kernel 2.6.9
  • Pardus Linux 2009
  • Red Hat Enterprise Linux Desktop Multi OS 5 client
  • Red Hat Enterprise Linux Virtualization 5 server
  • Red Hat Enterprise Virtualization Hypervisor 2.1
  • Red Hat Fedora Core2
  • Red Hat Fedora Core3
  • Red Hat Fedora Core4
  • SuSE Linux Enterprise Server 9
  • SuSE Linux Personal 9.1.0
  • SuSE Linux Personal 9.1.0 x86_64
  • SuSE Linux Personal 9.2.0
  • SuSE Linux Personal 9.2.0 x86_64
  • Trustix Secure Enterprise Linux 2.0.0
  • Trustix Secure Linux 2.0.0
  • Trustix Secure Linux 2.1.0
  • Trustix Secure Linux 2.2.0
  • Trustix Secure Linux 3.0.0
  • Ubuntu Ubuntu Linux 4.1.0 ia32
  • Ubuntu Ubuntu Linux 4.1.0 ia64
  • Ubuntu Ubuntu Linux 4.1.0 ppc
  • Ubuntu Ubuntu Linux 5.0.0 4 amd64
  • Ubuntu Ubuntu Linux 5.0.0 4 i386
  • Ubuntu Ubuntu Linux 5.0.0 4 powerpc

References:

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