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OVAL Definitions
>
OVAL Definition Details
Id
oval:ru.altx-soft.nix:def:8106
[Eng]
Version
3
Class
patch
ALTXid
74578
Language
Russian
Severity
NotAvailable
Title
Обновление ELSA-2015-3046 : устранение уязвимостей в Unbreakable Enterprise kernel
Description
[2.6.39-400.250.6]
- x86/asm/entry/64: Remove a bogus 'ret_from_fork' optimization (Andy Lutomirski) [Orabug: 21308308] {CVE-2015-2830}
- x86, mm/ASLR: Fix stack randomization on 64-bit systems (Hector Marco-Gisbert) [Orabug: 21307918] {CVE-2015-1593} {CVE-2015-1593}
Family
unix
Platform
Oracle Linux 5
Oracle Linux 6
Product
kernel-uek
Reference
VENDOR: ELSA-2015-3046
VENDOR: ELSA-2015-3046
Id:
ELSA-2015-3046
Reference:
http://linux.oracle.com/errata/ELSA-2015-3046.html
CVE: CVE-2015-1593
CVE: CVE-2015-1593
Id:
CVE-2015-1593
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-1593
Comment
: The stack randomization feature in the Linux kernel before 3.19.1 on 64-bit platforms uses incorrect data types for the results of bitwise left-shift operations, which makes it easier for attackers to bypass the ASLR protection mechanism by predicting the address of the top of the stack, related to the randomize_stack_top function in fs/binfmt_elf.c and the stack_maxrandom_size function in arch/x86/mm/mmap.c.
CVSSv2 Score:
5
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
NONE
Availability impact:
NONE
CVSSv2 Vector:
AV:N/AC:L/Au:N/C:P/I:N/A:N
CWE:
264 (Permissions, Privileges, and Access Controls)
References:
[oss-security] 20150213 Re: CVE-Request -- Linux ASLR integer overflow (MLIST)
[linux-kernel] 20150107 Re: [PATH] Fix stack randomization on x86_64 bit (MLIST)
https://github.com/torvalds/linux/commit/4e7c22d447bb6d7e37bfe39ff658486ae78e8d77 (CONFIRM)
https://bugzilla.redhat.com/show_bug.cgi?id=1192519 (CONFIRM)
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.19.1 (CONFIRM)
http://hmarco.org/bugs/linux-ASLR-integer-overflow.html (MISC)
DSA-3170 (DEBIAN)
SUSE-SU-2015:0736 (SUSE)
72607 (BID)
USN-2565-1 (UBUNTU)
USN-2564-1 (UBUNTU)
USN-2563-1 (UBUNTU)
USN-2562-1 (UBUNTU)
USN-2561-1 (UBUNTU)
USN-2560-1 (UBUNTU)
openSUSE-SU-2015:0714 (SUSE)
RHSA-2015:1221 (REDHAT)
RHSA-2015:1138 (REDHAT)
RHSA-2015:1137 (REDHAT)
RHSA-2019:3517 (REDHAT)
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=4e7c22d447bb6d7e37bfe39ff658486ae78e8d77 ()
CVE: CVE-2015-2830
CVE: CVE-2015-2830
Id:
CVE-2015-2830
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2830
Comment
: arch/x86/kernel/entry_64.S in the Linux kernel before 3.19.2 does not prevent the TS_COMPAT flag from reaching a user-mode task, which might allow local users to bypass the seccomp or audit protection mechanism via a crafted application that uses the (1) fork or (2) close system call, as demonstrated by an attack against seccomp before 3.16.
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
CWE:
264 (Permissions, Privileges, and Access Controls)
References:
https://github.com/torvalds/linux/commit/956421fbb74c3a6261903f3836c0740187cf038b (CONFIRM)
https://bugzilla.redhat.com/show_bug.cgi?id=1208598 (CONFIRM)
[oss-security] 20150401 CVE Request: Linux mishandles int80 fork from 64-bit tasks (MLIST)
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.19.2 (CONFIRM)
DSA-3237 (DEBIAN)
USN-2631-1 (UBUNTU)
USN-2632-1 (UBUNTU)
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html (CONFIRM)
SUSE-SU-2015:1611 (SUSE)
SUSE-SU-2015:1478 (SUSE)
SUSE-SU-2015:1592 (SUSE)
1032413 (SECTRACK)
RHSA-2015:1221 (REDHAT)
RHSA-2015:1138 (REDHAT)
RHSA-2015:1137 (REDHAT)
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=956421fbb74c3a6261903f3836c0740187cf038b ()
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