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OVAL Definitions
>
OVAL Definition Details
Id
oval:com.altx-soft.nix:def:98925
[Rus]
Version
6
Class
patch
ALTXid
279071
Language
English
Severity
High
Title
ELSA-2019-4577 -- Unbreakable Enterprise kernel security update
Description
[2.6.39-400.307.1]
- proc: restrict kernel stack dumps to root (John Donnelly) [Orabug: 29114880] {CVE-2018-17972}
- alarmtimer: Prevent overflow for relative nanosleep (Thomas Gleixner) [Orabug: 29269182] {CVE-2018-13053}
- ext4: only look at the bg_flags field if it is valid (Theodore Ts'o) [Orabug: 29409428] {CVE-2018-10876} {CVE-2018-10876}
- vfs: Add sb_rdonly(sb) to query the MS_RDONLY flag on s_flags (David Howells) [Orabug: 29409428] {CVE-2018-10876}
- net: Set sk_prot_creator when cloning sockets to the right proto (Christoph Paasch) [Orabug: 29422741] {CVE-2018-9568}
Family
unix
Platform
Oracle Linux 5
Oracle Linux 6
Product
kernel-uek
Reference
VENDOR: ELSA-2019-4577
VENDOR: ELSA-2019-4577
Id:
ELSA-2019-4577
Reference:
http://linux.oracle.com/errata/ELSA-2019-4577.html
CVE: CVE-2018-17972
CVE: CVE-2018-17972
Id:
CVE-2018-17972
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-17972
Comment
: An issue was discovered in the proc_pid_stack function in fs/proc/base.c in the Linux kernel through 4.18.11. It does not ensure that only root may inspect the kernel stack of an arbitrary task, allowing a local attacker to exploit racy stack unwinding and leak kernel task stack contents.
CVSSv2 Score:
4.9
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
COMPLETE
Integrity impact:
NONE
Availability impact:
NONE
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:C/I:N/A:N
CVSSv3 Score:
5.5
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
NONE
Availability impact:
NONE
CVSSv3 Vector:
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CWE:
362 (Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition'))
References:
https://marc.info/?l=linux-fsdevel&m=153806242024956&w=2 (MISC)
105525 (BID)
USN-3821-2 (UBUNTU)
USN-3821-1 (UBUNTU)
USN-3832-1 (UBUNTU)
USN-3835-1 (UBUNTU)
USN-3871-1 (UBUNTU)
USN-3880-2 (UBUNTU)
USN-3871-4 (UBUNTU)
USN-3871-3 (UBUNTU)
USN-3880-1 (UBUNTU)
USN-3871-5 (UBUNTU)
RHSA-2019:0514 (REDHAT)
RHSA-2019:0512 (REDHAT)
[debian-lts-announce] 20190315 [SECURITY] [DLA 1715-1] linux-4.9 security update (MLIST)
[debian-lts-announce] 20190327 [SECURITY] [DLA 1731-1] linux security update (MLIST)
[debian-lts-announce] 20190401 [SECURITY] [DLA 1731-2] linux regression update (MLIST)
RHSA-2019:0831 (REDHAT)
openSUSE-SU-2019:1407 (SUSE)
RHSA-2019:2473 (REDHAT)
https://support.f5.com/csp/article/K27673650?utm_source=f5support&%3Butm_medium=RSS ()
CVE: CVE-2018-13053
CVE: CVE-2018-13053
Id:
CVE-2018-13053
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-13053
Comment
: The alarm_timer_nsleep function in kernel/time/alarmtimer.c in the Linux kernel through 4.17.3 has an integer overflow via a large relative timeout because ktime_add_safe is not used.
CVSSv2 Score:
2.1
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:N/I:N/A:P
CVSSv3 Score:
3.3
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
LOW
CVSSv3 Vector:
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE:
190 (Integer Overflow or Wraparound)
References:
https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=5f936e19cc0ef97dbe3a56e9498922ad5ba1edef (MISC)
https://bugzilla.kernel.org/show_bug.cgi?id=200303 (MISC)
104671 (BID)
USN-3821-2 (UBUNTU)
USN-3821-1 (UBUNTU)
[debian-lts-announce] 20190315 [SECURITY] [DLA 1715-1] linux-4.9 security update (MLIST)
[debian-lts-announce] 20190327 [SECURITY] [DLA 1731-1] linux security update (MLIST)
[debian-lts-announce] 20190401 [SECURITY] [DLA 1731-2] linux regression update (MLIST)
RHSA-2019:0831 (REDHAT)
RHSA-2019:2043 (REDHAT)
RHSA-2019:2029 (REDHAT)
USN-4094-1 (UBUNTU)
USN-4118-1 (UBUNTU)
CVE: CVE-2018-10876
CVE: CVE-2018-10876
Id:
CVE-2018-10876
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-10876
Comment
: A flaw was found in Linux kernel in the ext4 filesystem code. A use-after-free is possible in ext4_ext_remove_space() function when mounting and operating a crafted ext4 image.
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:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE:
416 (Use After Free)
References:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8844618d8aa7a9973e7b527d038a2a589665002c (CONFIRM)
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10876 (CONFIRM)
https://bugzilla.kernel.org/show_bug.cgi?id=199403 (CONFIRM)
http://patchwork.ozlabs.org/patch/929239/ (CONFIRM)
[debian-lts-announce] 20180718 [SECURITY] [DLA 1423-1] linux-4.9 new package (MLIST)
USN-3753-2 (UBUNTU)
USN-3753-1 (UBUNTU)
106503 (BID)
USN-3871-1 (UBUNTU)
USN-3871-4 (UBUNTU)
USN-3871-3 (UBUNTU)
USN-3871-5 (UBUNTU)
RHSA-2019:0525 (REDHAT)
104904 (BID)
CVE: CVE-2018-9568
CVE: CVE-2018-9568
Id:
CVE-2018-9568
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-9568
Comment
: In sk_clone_lock of sock.c, there is a possible memory corruption due to type confusion. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: Android kernel. Android ID: A-113509306. References: Upstream kernel.
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:
704 (Incorrect Type Conversion or Cast)
References:
https://source.android.com/security/bulletin/2018-12-01 (CONFIRM)
USN-3880-2 (UBUNTU)
USN-3880-1 (UBUNTU)
RHSA-2019:0514 (REDHAT)
RHSA-2019:0512 (REDHAT)
RHSA-2019:2696 (REDHAT)
RHSA-2019:2730 (REDHAT)
RHSA-2019:2736 (REDHAT)
RHSA-2019:3967 (REDHAT)
RHSA-2019:4056 (REDHAT)
RHSA-2019:4159 (REDHAT)
RHSA-2019:4164 (REDHAT)
RHSA-2019:4255 (REDHAT)
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