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OVAL Definitions
>
OVAL Definition Details
Id
oval:com.altx-soft.nix:def:3189
[Rus]
Version
4
Class
patch
ALTXid
48728
Language
English
Severity
NotAvailable
Title
ELSA-2013:0168: kernel security and bug fix update
Description
The (1) XENMEM_decrease_reservation, (2) XENMEM_populate_physmap, and (3) XENMEM_exchange hypercalls in Xen 4.2 and earlier allow local guest administrators to cause a denial of service (long loop and hang) via a crafted extent_order value.
Family
unix
Platform
Oracle Linux 5
Product
kernel
Reference
VENDOR: ELSA-2013:0168-00
VENDOR: ELSA-2013:0168-00
Id:
ELSA-2013:0168-00
Reference:
http://linux.oracle.com/errata/ELSA-2013-0168.html
CVE: CVE-2012-1568
CVE: CVE-2012-1568
Id:
CVE-2012-1568
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-1568
Comment
: The ExecShield feature in a certain Red Hat patch for the Linux kernel in Red Hat Enterprise Linux (RHEL) 5 and 6 and Fedora 15 and 16 does not properly handle use of many shared libraries by a 32-bit executable file, which makes it easier for context-dependent attackers to bypass the ASLR protection mechanism by leveraging a predictable base address for one of these libraries.
CVSSv2 Score:
1.9
Access vector:
LOCAL
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
PARTIAL
Availability impact:
NONE
CVSSv2 Vector:
AV:L/AC:M/Au:N/C:N/I:P/A:N
References:
[oss-security] 20120321 Re: CVE request -- kernel: execshield: predictable ascii armour base address (MLIST)
[oss-security] 20120320 Re: CVE request -- kernel: execshield: predictable ascii armour base address (MLIST)
http://scarybeastsecurity.blogspot.com/2012/03/some-random-observations-on-linux-aslr.html (MISC)
https://bugzilla.redhat.com/show_bug.cgi?id=804947 (CONFIRM)
https://oss.oracle.com/git/?p=redpatch.git%3Ba=commit%3Bh=302a4fc15aebf202b6dffd6c804377c6058ee6e4 (MISC)
CVE: CVE-2012-4444
CVE: CVE-2012-4444
Id:
CVE-2012-4444
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-4444
Comment
: The ip6_frag_queue function in net/ipv6/reassembly.c in the Linux kernel before 2.6.36 allows remote attackers to bypass intended network restrictions via overlapping IPv6 fragments.
CVSSv2 Score:
5
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
PARTIAL
Availability impact:
NONE
CVSSv2 Vector:
AV:N/AC:L/Au:N/C:N/I:P/A:N
References:
https://bugzilla.redhat.com/show_bug.cgi?id=874835 (CONFIRM)
http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.36 (CONFIRM)
https://github.com/torvalds/linux/commit/70789d7052239992824628db8133de08dc78e593 (CONFIRM)
[oss-security] 20121109 Re: CVE request --- acceptation of overlapping ipv6 fragments (MLIST)
https://media.blackhat.com/bh-eu-12/Atlasis/bh-eu-12-Atlasis-Attacking_IPv6-WP.pdf (MISC)
USN-1660-1 (UBUNTU)
USN-1661-1 (UBUNTU)
RHSA-2012:1580 (REDHAT)
SUSE-SU-2013:0856 (SUSE)
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=70789d7052239992824628db8133de08dc78e593 (MISC)
CVE: CVE-2012-5515
CVE: CVE-2012-5515
Id:
CVE-2012-5515
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-5515
Comment
: The (1) XENMEM_decrease_reservation, (2) XENMEM_populate_physmap, and (3) XENMEM_exchange hypercalls in Xen 4.2 and earlier allow local guest administrators to cause a denial of service (long loop and hang) via a crafted extent_order value.
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
References:
SUSE-SU-2012:1606 (SUSE)
SUSE-SU-2012:1615 (SUSE)
http://support.citrix.com/article/CTX135777 (CONFIRM)
88127 (OSVDB)
51468 (SECUNIA)
51486 (SECUNIA)
51495 (SECUNIA)
56798 (BID)
DSA-2582 (DEBIAN)
[Xen-announce] 20121203 Xen Security Advisory 31 (CVE-2012-5515) - Several memory hypercall operations allow invalid extent order values (MLIST)
51487 (SECUNIA)
51397 (SECUNIA)
[oss-security] 20121203 Xen Security Advisory 31 (CVE-2012-5515) - Several memory hypercall operations allow invalid extent order values (MLIST)
openSUSE-SU-2013:0133 (SUSE)
openSUSE-SU-2012:1687 (SUSE)
openSUSE-SU-2012:1685 (SUSE)
openSUSE-SU-2013:0637 (SUSE)
openSUSE-SU-2013:0636 (SUSE)
55082 (SECUNIA)
GLSA-201309-24 (GENTOO)
SUSE-SU-2014:0446 (SUSE)
SUSE-SU-2014:0470 (SUSE)
xen-extentorder-dos(80479) (XF)
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