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OVAL Definitions
>
OVAL Definition Details
Id
oval:com.altx-soft.nix:def:97198
[Rus]
Version
5
Class
patch
ALTXid
273947
Language
English
Severity
Medium
Title
USN-3878-3 -- Linux kernel regression
Description
USN-3878-1 introduced a regression in Linux Kernel.
Family
unix
Platform
Linux Mint 19
Ubuntu 18.04
Ubuntu 18.10
Product
linux
linux-hwe
Reference
VENDOR: USN-3878-3
VENDOR: USN-3878-3
Id:
USN-3878-3
Reference:
https://usn.ubuntu.com/3878-3/
CVE: CVE-2018-14625
CVE: CVE-2018-14625
Id:
CVE-2018-14625
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-14625
Comment
: A flaw was found in the Linux Kernel where an attacker may be able to have an uncontrolled read to kernel-memory from within a vm guest. A race condition between connect() and close() function may allow an attacker using the AF_VSOCK protocol to gather a 4 byte information leak or possibly intercept or corrupt AF_VSOCK messages destined to other clients.
CVSSv2 Score:
4.4
Access vector:
LOCAL
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
PARTIAL
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:L/AC:M/Au:N/C:P/I:P/A:P
CVSSv3 Score:
7
Attack vector:
LOCAL
Attack complexity:
HIGH
Privileges required:
LOW
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE:
416 (Use After Free)
References:
https://syzkaller.appspot.com/bug?extid=bd391451452fb0b93039 (MISC)
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14625 (CONFIRM)
USN-3872-1 (UBUNTU)
USN-3871-1 (UBUNTU)
USN-3878-1 (UBUNTU)
USN-3871-4 (UBUNTU)
USN-3871-3 (UBUNTU)
USN-3878-2 (UBUNTU)
USN-3871-5 (UBUNTU)
[debian-lts-announce] 20190503 [SECURITY] [DLA 1771-1] linux-4.9 security update (MLIST)
RHSA-2019:2043 (REDHAT)
RHSA-2019:2029 (REDHAT)
RHSA-2019:4154 (REDHAT)
CVE: CVE-2018-16882
CVE: CVE-2018-16882
Id:
CVE-2018-16882
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16882
Comment
: A use-after-free issue was found in the way the Linux kernel's KVM hypervisor processed posted interrupts when nested(=1) virtualization is enabled. In nested_get_vmcs12_pages(), in case of an error while processing posted interrupt address, it unmaps the 'pi_desc_page' without resetting 'pi_desc' descriptor address, which is later used in pi_test_and_clear_on(). A guest user/process could use this flaw to crash the host kernel resulting in DoS or potentially gain privileged access to a system. Kernel versions before 4.14.91 and before 4.19.13 are vulnerable.
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:
8.8
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
CHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CWE:
416 (Use After Free)
References:
https://marc.info/?l=kvm&m=154514994222809&w=2 (MISC)
https://lwn.net/Articles/775721/ (CONFIRM)
https://lwn.net/Articles/775720/ (CONFIRM)
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16882 (CONFIRM)
106254 (BID)
USN-3872-1 (UBUNTU)
USN-3871-1 (UBUNTU)
USN-3878-1 (UBUNTU)
USN-3871-4 (UBUNTU)
USN-3871-3 (UBUNTU)
USN-3878-2 (UBUNTU)
USN-3871-5 (UBUNTU)
https://support.f5.com/csp/article/K80557033 (CONFIRM)
CVE: CVE-2018-19407
CVE: CVE-2018-19407
Id:
CVE-2018-19407
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-19407
Comment
: The vcpu_scan_ioapic function in arch/x86/kvm/x86.c in the Linux kernel through 4.19.2 allows local users to cause a denial of service (NULL pointer dereference and BUG) via crafted system calls that reach a situation where ioapic is uninitialized.
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:
476 (NULL Pointer Dereference)
References:
https://lkml.org/lkml/2018/11/20/580 (MISC)
105987 (BID)
USN-3872-1 (UBUNTU)
USN-3871-1 (UBUNTU)
USN-3879-2 (UBUNTU)
USN-3879-1 (UBUNTU)
USN-3878-1 (UBUNTU)
USN-3871-4 (UBUNTU)
USN-3871-3 (UBUNTU)
USN-3878-2 (UBUNTU)
USN-3871-5 (UBUNTU)
[debian-lts-announce] 20190315 [SECURITY] [DLA 1715-1] linux-4.9 security update (MLIST)
CVE: CVE-2018-19854
CVE: CVE-2018-19854
Id:
CVE-2018-19854
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-19854
Comment
: An issue was discovered in the Linux kernel before 4.19.3. crypto_report_one() and related functions in crypto/crypto_user.c (the crypto user configuration API) do not fully initialize structures that are copied to userspace, potentially leaking sensitive memory to user programs. NOTE: this is a CVE-2013-2547 regression but with easier exploitability because the attacker does not need a capability (however, the system must have the CONFIG_CRYPTO_USER kconfig option).
CVSSv2 Score:
1.9
Access vector:
LOCAL
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
NONE
Availability impact:
NONE
CVSSv2 Vector:
AV:L/AC:M/Au:N/C:P/I:N/A:N
CVSSv3 Score:
4.7
Attack vector:
LOCAL
Attack complexity:
HIGH
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:H/PR:L/UI:N/S:U/C:H/I:N/A:N
CWE:
200 (Information Exposure)
References:
https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.3 (MISC)
https://github.com/torvalds/linux/commit/f43f39958beb206b53292801e216d9b8a660f087 (MISC)
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f43f39958beb206b53292801e216d9b8a660f087 (MISC)
USN-3872-1 (UBUNTU)
USN-3878-1 (UBUNTU)
USN-3878-2 (UBUNTU)
USN-3901-2 (UBUNTU)
USN-3901-1 (UBUNTU)
RHSA-2019:3517 (REDHAT)
RHSA-2019:3309 (REDHAT)
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