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OVAL Definitions
>
OVAL Definition Details
Id
oval:ru.altx-soft.nix:def:7869
[Eng]
Version
2
Class
patch
ALTXid
70978
Language
Russian
Severity
NotAvailable
Title
Обновление USN-2587-1 -- уязвимости Linux kernel (Trusty HWE)
Description
A stack overflow was discovered in the the microcode loader for the intel
x86 platform. A local attacker could exploit this flaw to cause a denial of
service (kernel crash) or to potentially execute code with kernel
privileges.
It was discovered that the Linux kernel's IPv6 networking stack has a flaw
that allows using route advertisement (RA) messages to set the 'hop_limit'
to values that are too low. An unprivileged attacker on a local network
could exploit this flaw to cause a denial of service (IPv6 messages
dropped).
Family
unix
Platform
Ubuntu 12.04
Product
linux-lts-trusty
Reference
VENDOR: USN-2587-1
VENDOR: USN-2587-1
Id:
USN-2587-1
Reference:
http://www.ubuntu.com/usn/usn-2587-1/
CVE: CVE-2015-2666
CVE: CVE-2015-2666
Id:
CVE-2015-2666
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2666
Comment
: Stack-based buffer overflow in the get_matching_model_microcode function in arch/x86/kernel/cpu/microcode/intel_early.c in the Linux kernel before 4.0 allows context-dependent attackers to gain privileges by constructing a crafted microcode header and leveraging root privileges for write access to the initrd.
CVSSv2 Score:
6.9
Access vector:
LOCAL
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
COMPLETE
Integrity impact:
COMPLETE
Availability impact:
COMPLETE
CVSSv2 Vector:
AV:L/AC:M/Au:N/C:C/I:C/A:C
CWE:
119 (Improper Restriction of Operations within the Bounds of a Memory Buffer)
References:
https://bugzilla.redhat.com/show_bug.cgi?id=1204722 (CONFIRM)
[oss-security] 20150320 Re: CVE Request: Linux kernel execution in the early microcode loader. (MLIST)
https://github.com/torvalds/linux/commit/f84598bd7c851f8b0bf8cd0d7c3be0d73c432ff4 (CONFIRM)
FEDORA-2015-4457 (FEDORA)
RHSA-2015:1534 (REDHAT)
1032414 (SECTRACK)
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f84598bd7c851f8b0bf8cd0d7c3be0d73c432ff4 ()
CVE: CVE-2015-2922
CVE: CVE-2015-2922
Id:
CVE-2015-2922
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2922
Comment
: The ndisc_router_discovery function in net/ipv6/ndisc.c in the Neighbor Discovery (ND) protocol implementation in the IPv6 stack in the Linux kernel before 3.19.6 allows remote attackers to reconfigure a hop-limit setting via a small hop_limit value in a Router Advertisement (RA) message.
CVSSv2 Score:
3.3
Access vector:
ADJACENT_NETWORK
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:A/AC:L/Au:N/C:N/I:N/A:P
CWE:
17 (Code)
References:
https://github.com/torvalds/linux/commit/6fd99094de2b83d1d4c8457f2c83483b2828e75a (CONFIRM)
[oss-security] 20150404 Re: CVE Request : IPv6 Hop limit lowering via RA messages (MLIST)
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.19.6 (CONFIRM)
https://bugzilla.redhat.com/show_bug.cgi?id=1203712 (CONFIRM)
DSA-3237 (DEBIAN)
RHSA-2015:1564 (REDHAT)
FEDORA-2015-6320 (FEDORA)
FEDORA-2015-6294 (FEDORA)
FEDORA-2015-6100 (FEDORA)
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html (CONFIRM)
http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html (CONFIRM)
74315 (BID)
SUSE-SU-2015:1478 (SUSE)
openSUSE-SU-2015:1382 (SUSE)
SUSE-SU-2015:1224 (SUSE)
RHSA-2015:1534 (REDHAT)
1032417 (SECTRACK)
RHSA-2015:1221 (REDHAT)
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=6fd99094de2b83d1d4c8457f2c83483b2828e75a ()
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