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OVAL Definitions
>
OVAL Definition Details
Id
oval:ru.altx-soft.nix:def:7171
[Eng]
Version
4
Class
patch
ALTXid
63778
Language
Russian
Severity
High
Title
Обновление USN-2462-1 -- уязвимости Linux kernel
Description
Lars Bull reported a race condition in the PIT (programmable interrupt
timer) emulation in the KVM (Kernel Virtual Machine) subsystem of the Linux
kernel. A local guest user with access to PIT i/o ports could exploit this
flaw to cause a denial of service (crash) on the host.
Lars Bull and Nadav Amit reported a flaw in how KVM (the Kernel Virtual
Machine) handles noncanonical writes to certain MSR registers. A privileged
guest user can exploit this flaw to cause a denial of service (kernel
panic) on the host.
Family
unix
Platform
Ubuntu 10.04
Product
linux
Reference
VENDOR: USN-2462-1
VENDOR: USN-2462-1
Id:
USN-2462-1
Reference:
http://www.ubuntu.com/usn/usn-2462-1/
CVE: CVE-2014-9322
CVE: CVE-2014-9322
Id:
CVE-2014-9322
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-9322
Comment
: arch/x86/kernel/entry_64.S in the Linux kernel before 3.17.5 does not properly handle faults associated with the Stack Segment (SS) segment register, which allows local users to gain privileges by triggering an IRET instruction that leads to access to a GS Base address from the wrong space.
CVSSv2 Score:
7.2
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
COMPLETE
Integrity impact:
COMPLETE
Availability impact:
COMPLETE
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:C/I:C/A:C
CVSSv3 Score:
7.8
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE:
269 (Improper Privilege Management)
References:
[oss-security] 20141215 Linux kernel: multiple x86_64 vulnerabilities (MLIST)
https://bugzilla.redhat.com/show_bug.cgi?id=1172806 (CONFIRM)
https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.17.5 (CONFIRM)
https://github.com/torvalds/linux/commit/6f442be2fb22be02cafa606f1769fa1e6f894441 (CONFIRM)
62336 (SECUNIA)
USN-2491-1 (UBUNTU)
36266 (EXPLOIT-DB)
115919 (OSVDB)
openSUSE-SU-2015:0566 (SUSE)
SUSE-SU-2015:0812 (SUSE)
SUSE-SU-2015:0736 (SUSE)
http://www.zerodayinitiative.com/advisories/ZDI-16-170 (MISC)
https://help.joyent.com/entries/98788667-Security-Advisory-ZDI-CAN-3263-ZDI-CAN-3284-and-ZDI-CAN-3364-Vulnerabilities (CONFIRM)
http://source.android.com/security/bulletin/2016-04-02.html (CONFIRM)
HPSBGN03285 (HP)
HPSBGN03282 (HP)
RHSA-2015:0009 (REDHAT)
RHSA-2014:2031 (REDHAT)
RHSA-2014:2028 (REDHAT)
RHSA-2014:2008 (REDHAT)
RHSA-2014:1998 (REDHAT)
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=6f442be2fb22be02cafa606f1769fa1e6f894441 ()
CVE: CVE-2014-3611
CVE: CVE-2014-3611
Id:
CVE-2014-3611
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3611
Comment
: Race condition in the __kvm_migrate_pit_timer function in arch/x86/kvm/i8254.c in the KVM subsystem in the Linux kernel through 3.17.2 allows guest OS users to cause a denial of service (host OS crash) by leveraging incorrect PIT emulation.
CVSSv2 Score:
4.7
Access vector:
LOCAL
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
COMPLETE
CVSSv2 Vector:
AV:L/AC:M/Au:N/C:N/I:N/A:C
CVSSv3 Score:
4.7
Attack vector:
LOCAL
Attack complexity:
HIGH
Privileges required:
LOW
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE:
362 (Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition'))
References:
https://github.com/torvalds/linux/commit/2febc839133280d5a5e8e1179c94ea674489dae2 (CONFIRM)
https://bugzilla.redhat.com/show_bug.cgi?id=1144878 (CONFIRM)
[oss-security] 20141024 kvm issues (MLIST)
USN-2394-1 (UBUNTU)
USN-2418-1 (UBUNTU)
USN-2417-1 (UBUNTU)
DSA-3060 (DEBIAN)
USN-2491-1 (UBUNTU)
RHSA-2015:0126 (REDHAT)
RHSA-2015:0284 (REDHAT)
RHSA-2015:0869 (REDHAT)
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=2febc839133280d5a5e8e1179c94ea674489dae2 (MISC)
CVE: CVE-2014-3610
CVE: CVE-2014-3610
Id:
CVE-2014-3610
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3610
Comment
: The WRMSR processing functionality in the KVM subsystem in the Linux kernel through 3.17.2 does not properly handle the writing of a non-canonical address to a model-specific register, which allows guest OS users to cause a denial of service (host OS crash) by leveraging guest OS privileges, related to the wrmsr_interception function in arch/x86/kvm/svm.c and the handle_wrmsr function in arch/x86/kvm/vmx.c.
CVSSv2 Score:
4.9
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
COMPLETE
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:N/I:N/A:C
CVSSv3 Score:
5.5
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
References:
https://bugzilla.redhat.com/show_bug.cgi?id=1144883 (CONFIRM)
https://github.com/torvalds/linux/commit/854e8bb1aa06c578c2c9145fa6bfe3680ef63b23 (CONFIRM)
[oss-security] 20141024 kvm issues (MLIST)
USN-2394-1 (UBUNTU)
USN-2418-1 (UBUNTU)
USN-2417-1 (UBUNTU)
DSA-3060 (DEBIAN)
USN-2491-1 (UBUNTU)
SUSE-SU-2015:0481 (SUSE)
openSUSE-SU-2015:0566 (SUSE)
70742 (BID)
RHSA-2015:0869 (REDHAT)
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=854e8bb1aa06c578c2c9145fa6bfe3680ef63b23 (MISC)
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